Question 1

Labor Day 2026: Tankless & Commercial Water Heater Deals

Accepted Answer

Labor Day weekend has quietly turned into one of the busiest stretches of the year for water heater replacements. Contractors use the long weekend to knock out jobs before fall booking picks up, and homeowners who've been putting off a tank that's been groaning for months finally pull the trigger before winter makes the decision for them.
If you've been eyeing an upgrade to tankless, a combination boiler, or a hybrid system with more recovery capacity, this is the week the math tends to work in your favor. Below is a rundown of tankless, combi, and commercial water heaters from Rinnai, Noritz, and Viessmann that are part of our Labor Day 2026 Sale!

Understanding the Basics: Tankless, Combi, and Hybrid Systems
Not every "tankless" water heater does the same job, and the differences matter more than the marketing suggests.
A standard tankless unit heats water on demand as it passes through a heat exchanger. No tank, no standby heat loss, and a footprint you can hang on a wall. These work well for single-family homes and light commercial applications where hot water demand is steady but not extreme.
A combination boiler (combi boiler) does double duty: it heats water for domestic use and also feeds a home's hydronic heating system, whether that's baseboard, radiant floor, or a hydronic air handler. One unit replaces both a water heater and a separate boiler, which saves mechanical room space and installation labor.
A hybrid water heater system pairs a tankless module with a storage tank, giving you the instant recovery of tankless technology plus a buffer of stored hot water for high-demand moments, like a commercial kitchen during a lunch rush or a multi-family building with staggered shower schedules.
Knowing which category you're shopping in narrows the list fast. Here's how the Labor Day lineup breaks down.

Residential Tankless Water Heaters

For single-family homes, the Rinnai RE Series and Noritz EZTR line cover most replacement scenarios without requiring a mechanical room overhaul.
The Rinnai RE199iN and RE199iP are Rinnai's workhorse indoor units, one running natural gas and the other propane, so the choice usually comes down to what's already piped to the house. They're rated to keep up with multiple fixtures running at once in a mid-to-large home, and they're Wi-Fi ready if the customer wants app control down the line. Rinnai backs both with a 15-year warranty on the heat exchanger, and registering within 90 days tacks on extra labor coverage at no cost.
The Noritz EZTR40-NG and EZTR50NG solve a different problem. They're built to drop into the exact footprint of a 40 or 50-gallon tank, top connections and all, so the existing B-vent stays put. On a job where the customer just wants the old tank gone and doesn't want the mechanical room torn apart, that's the difference between a half-day install and a full one.
Get 10% off select tankless water heaters!
Combination Boilers for Heat and Hot Water

If a home is running a separate boiler and water heater, consolidating into one combi unit is often the single biggest efficiency upgrade available during a mechanical room refresh.
The Noritz NRCB199DV-NG and NRCB180DV-NG cover the same job at two different heating loads. The 199DV steps up for larger homes or colder climates where the heating side needs more headroom, while the 180DV handles smaller square footage or milder regions without paying for capacity that never gets used. Either way, one condensing unit replaces what used to be two appliances taking up floor space.
Get 10% off select combi units!

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Commercial and Hybrid Water Heater Systems

Commercial jobs and multi-unit properties need more than a single residential tankless unit can reliably deliver, and this is where hybrid systems and commercial-rated tankless models earn their keep.
The Rinnai Sensei CX199iN is the go-to for small commercial buildings, laundromats, and multi-family properties that need serious flow from one unit, indoors or out, without racking several tankless heaters together to hit the target.
When a single unit still can't buffer the demand, the Rinnai CHS199100HCXIN and CHS398100HCXVIN pair a tankless module with a 119-gallon tank, the larger of the two running roughly double the output. Think hotels or apartment buildings where every unit's shower runs at once on a Monday morning; a straight tankless setup would need to fire far more units than most mechanical rooms have space for.
The Noritz NC199DVCNG rounds things out with a concentric vent option that simplifies venting runs in tighter commercial mechanical rooms.
Get an extended warranty on select units!
Indirect Storage Water Heaters

Not every hot water need is best solved with tankless. If a property already has a boiler doing the heavy lifting, an indirect water heater lets that boiler produce domestic hot water too, without adding a second combustion appliance.
The Viessmann Vitocell 300-V 42-Gallon and 53-Gallon tap into a boiler that's already sized to spare, so the water gets heated without adding a second combustion appliance to the mechanical room. It's often the quieter, more efficient option when the boiler's already doing the work anyway. 
Get 10% off select indirect water heaters!

Expert Tips for Sizing and Installation
A few things worth checking before locking in an order:

Match GPM to fixture count, not square footage: Two bathrooms running simultaneously need more flow than a single large bathroom used one person at a time. Add up worst-case simultaneous demand rather than sizing off house size alone.

Check existing venting before assuming a drop-in replacement: Tank-replacement units like the EZTR series are built to reuse B-vent, but condensing units typically need PVC or CPVC venting, which may mean a new vent run.

Factor in lead time for special order items: Several of these units are built to order rather than warehouse stock, so getting a Labor Day order in early matters more than it would for an in-stock item.

For commercial and hybrid systems, confirm gas line sizing: A 398,000 BTU unit draws a lot more gas than a typical residential tankless heater, and undersized gas lines are one of the most common commercial installation callbacks.

Frequently Asked Questions
What's the difference between a tankless water heater and a combi boiler?
A tankless water heater only heats domestic hot water. A combi boiler heats domestic hot water and also feeds a home's space heating system, like radiant floors or baseboard heat, from the same unit.
Why would I choose a hybrid system over a straight tankless unit?
Hybrid systems add a storage tank to a tankless module, which helps absorb sudden spikes in demand, like a hotel or apartment building during a morning rush, without requiring multiple tankless units racked together.
Do these tankless water heaters need special venting?
Condensing units generally use PVC or CPVC venting, while non-condensing units and tank-replacement models often reuse existing B-vent. Always confirm venting requirements against the specific unit before ordering.
Are commercial water heaters harder to install than residential ones?
They're not necessarily harder, but they do draw significantly more gas and may need larger gas lines, dedicated venting runs, and in some cases three-phase power depending on the model. Planning ahead on infrastructure avoids installation delays.
Are there other water heater deals besides the ones covered here?
Yes. What's covered above is a cross section of the residential, combi, commercial, and indirect lineups on sale, but there are additional models and brands within each of these lines beyond what's featured here. The full water heater selection is part of our Labor Day 2026 Sale, running from September 1 through September 15, 2026.

Ready to Upgrade Before the Season Turns
The 2026 Labor Day Sale runs from September 1 through September 15, and this water heater lineup is one piece of a much bigger event covering pumps, tools, and plumbing supplies across the site. Once the window closes, pricing goes back to normal, and several of these units are built to order, so waiting until the last few days of the sale cuts into the time needed to get one installed before cold weather hits.
Have questions about sizing, venting, or which unit fits your specific job? Give us a call at 888-682-5956, start a live chat, or reach out at contact@plumbingdeals.com and we'll help you land on the right system before the sale ends.

Question 2

How Water Conditioning Helps Extend the Life of Your Water Heater and Plumbing

Accepted Answer

Most water heaters are rated to last 8 to 12 years. Plenty of them don't make it that far, and the reason usually isn't a manufacturing defect. It's what's coming through the pipes every single day. Minerals, sediment, and treatment chemicals build up quietly inside tanks, heat exchangers, and fixtures until efficiency drops, parts fail, or a leak shows up out of nowhere.
Water conditioning isn't just about how your tap water feels and tastes. It changes what your water heater, faucets, and valves have to deal with every time they run. Over years of daily use, that difference shows up in your utility bill, your repair calls, and how long your equipment actually lasts, and it starts with what's actually dissolved in the water long before it reaches a valve or a heating element.
What's Actually Wearing Down Your Plumbing
Water leaving a treatment plant or well is safe to drink, but "safe" and "gentle on your plumbing" aren't the same thing. Three things cause most of the long-term wear on water heaters and fixtures.
Hard water minerals: Calcium and magnesium dissolve into water as it moves through soil and rock. As hard water heats up or sits in pipes, those minerals precipitate out and form limescale, a chalky white deposit that builds up on anything the water touches.
Chlorine and chloramine: Municipal utilities add these to disinfect water before it reaches your home, and they do their job well. The tradeoff is that they're also mildly corrosive to rubber and some metal components over time. 
Sediment: Sand, silt, and rust particles travel through water lines, especially in older municipal systems or private wells. These particles are abrasive and wear down valve seats, scratch cartridge surfaces, and settle in the bottom of water heater tanks where they interfere with heating efficiency.
None of this happens overnight. It's cumulative, which is exactly why it's easy to miss until a fixture fails or a water heater starts struggling.
Signs Your Home Needs a Water Conditioning System

A few warning signs tend to show up before anything actually breaks.

Water pressure dropping at multiple fixtures, not just one, which usually points to scale narrowing the inside diameter of your pipes

White or chalky residue building up around faucet aerators, showerheads, or on glassware after washing

A water heater that takes longer to produce hot water, or that makes popping or rumbling noises as sediment settles and hardens on the bottom of the tank

Frequent dripping faucets or running toilets, which can point to valve seats worn down by sediment or hardened by mineral scale

A chlorine smell strong enough to notice in the shower or when filling a glass

If you're seeing two or more of these, it's worth getting your water tested before you replace anything. A hardness and sediment test tells you exactly what you're dealing with, which matters because the fix for hard water isn't the same as the fix for sediment or chlorine.
How Filtration Protects Your Water Heater and Fixtures
Filtration and conditioning systems work by intercepting the exact things that cause wear, before they reach your equipment.
Inside the water heater, scale forms directly on heating elements and tank walls. That layer acts as insulation, forcing the unit to run longer and use more energy to reach the same temperature. In tankless units, the effect is worse because the heat exchanger has narrow channels that clog faster and are more expensive to descale or replace. A whole-home conditioner or softener stops calcium from forming that adhesive scale in the first place, which keeps the heating surface doing its actual job.
At faucets and valves, sediment and hardness minerals interfere with moving parts. Cartridge faucets rely on tight tolerances between ceramic discs, and grit or scale buildup causes them to stick, drip, or wear unevenly. Compression valves and toilet fill valves see the same problem. Filtering sediment out before it reaches these components means less friction, fewer seized parts, and fewer service calls over the life of the fixture.
In supply lines and gaskets, reducing chlorine and chloramine slows the chemical breakdown of rubber seals. That's a smaller, slower kind of protection, but it adds up over a decade of exposure, especially in homes with flexible supply lines under sinks and behind toilets.
What Untreated Water Really Costs You Over Time
Skipping filtration doesn't mean instant failure. It means your equipment is working harder than it was designed to, for longer than it should. A water heater working nearly twice as hard to deliver the same hot water shows up directly on your energy bill, and it shortens the unit's usable life well before the warranty period ends.
The same pattern plays out with fixtures. A shower valve or kitchen faucet that would normally last 15 to 20 years can start failing in half that time when scale and sediment are constantly grinding against internal parts. And it's not always covered when it does fail. Some manufacturer warranties specifically exclude damage caused by hard water or sediment, which means an unfiltered system can end up costing you the repair and the replacement.
Conditioning and filtration flips all of that. Heating elements and heat exchangers stay free of insulating scale, so they don't have to work as hard to hit the same temperature. Valves and cartridges see less friction and fewer seized parts, which means fewer service calls over the life of a fixture. Pipes and aerators stay clear instead of narrowing, so pressure holds steady.

💡 Pro Tip

If you also want cleaner water at the tap for drinking and cooking, learn more about it in our blog, Point-of-Use vs. Whole-Home Water Filtration Guide!

Whole-Home Conditioning Systems We Recommend
Not every conditioning approach solves the same problem, and picking the wrong one means spending money without actually protecting your equipment.
American Valve ScaleRX Whole Home Scale Reduction System

If your main concern is protecting the water heater itself, ScaleRX is built specifically for that job. It uses a patented Turbulent Galvanic Polarization process to disrupt limescale crystal formation before it can coat heating elements, and independent IAPMO R&T testing shows a 76% reduction in scale buildup, about four times more effective than leading electronic descaling devices in side-by-side comparisons.

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Zilmet Whole House High Flo ActivFlo Water Conditioner

The Zilmet ActivFlo takes a similar no-salt approach but is built for higher-flow homes. Its catalytic alloy insert converts dissolved calcium into aragonite crystals that don't adhere to surfaces, protecting heat exchangers, aerators, and fixtures throughout the house. It handles 5.9 to 15.9 GPM with only 0.5 psi of pressure drop, which makes it a solid fit for larger households running several fixtures at once. It's backed by a 15-year warranty and needs essentially no maintenance beyond periodic visual checks.
Sterling Water Treatment PWS1 High-Efficiency Water Softener

For homes dealing with seriously hard water, where conditioning alone isn't enough, the Sterling PWS1 uses true ion exchange to physically remove calcium and magnesium rather than just altering how they behave. It regenerates using 33% less salt than standard softeners, and with 30,000-grain capacity, it's sized for households that need real hardness removal rather than mild scale prevention.
Installation, Maintenance, and Long-Term Care
Whole-home conditioners and softeners tie into the main water line, typically right after the shutoff valve and before the water heater, so a plumber is the right call for installation on most of these systems. Getting the placement and sizing correct matters. An undersized unit for your home's peak flow rate can create a pressure bottleneck, which defeats the purpose of installing one in the first place.
Once it's in, maintenance depends on the type of system. Salt-free conditioners like have no media to replace and no backwash cycle, so upkeep is mostly a visual check during routine plumbing service. Ion exchange softeners need periodic salt refills and will eventually need resin replacement, usually after several years of regular use. Sediment and carbon cartridges have the shortest service life, generally needing a swap every 6 to 12 months depending on water usage and how much sediment is coming through your line.
It's also worth testing your water again a year or two after installation. That tells you whether the system is performing as expected and whether it's time to adjust maintenance intervals based on your actual water conditions.
Water Filtration Systems FAQ
Does a water conditioning system really extend the life of a water heater?
Yes. Scale buildup on heating elements and tank walls is one of the leading causes of reduced water heater efficiency and premature failure. Removing or conditioning hardness minerals before they reach the tank keeps the heating surface working as designed, which extends both efficiency and service life.
What's the difference between a water conditioner and a water softener?
A conditioner alters the behavior of calcium and magnesium so they don't stick to surfaces, without removing them from the water. A softener uses ion exchange to physically remove hardness minerals. Conditioners require no salt or maintenance, while softeners need periodic salt refills and offer more aggressive protection for very hard water.
How do I know if my water is hard enough to need treatment?
A water testing kit measuring hardness, iron, and pH will tell you where you stand. Visible signs like white residue on fixtures, reduced water pressure, or a water heater that's slower to produce hot water are also strong indicators worth acting on.
Can I install a whole-home water conditioning system myself?
Some systems are DIY-friendly, but whole-home units that tie into the main water line typically require a plumber. Correct sizing and placement affect both performance and water pressure throughout the house, so professional installation is worth the cost for these systems. If you have questions about installation, reach out to Plumbing Deals today by starting a live chat, emailing us at contact@plumbingdeals.com, or calling 888-682-5956.
Do these systems work for tankless water heaters specifically?
Yes, and in some ways tankless units benefit even more. Their heat exchangers have narrower internal channels than tank-style heaters, which makes them more vulnerable to scale-related clogging and more expensive to service once that happens.
Conditioning Is Cheaper Than the Repairs It Prevents
A water heater is one of the most expensive appliances in your home, and it's also one of the hardest working. Every faucet, valve, and cartridge downstream of it is quietly absorbing the same daily wear that shows up as a slower recovery time, a dripping handle that used to shut off clean, or a repair bill for something that should have lasted another decade.
Whether you fix it with a no-salt conditioner ahead of your water heater, a full softener for seriously hard water, or a combination built around your home's specific setup, the goal is the same: stop paying for damage you could have prevented.
If you're not sure whether your home needs conditioning, softening, or both, our team can walk through your water test results and match a system to your actual usage. Contact Plumbing Deals today by starting a live chat, emailing us at contact@plumbingdeals.com, or calling 888-682-5956.

Question 3

Best Tankless Water Heaters of 2026

Accepted Answer

Tankless water heaters have moved well past the point of being a niche upgrade. They're standard equipment now in new construction and one of the most requested replacements when an old tank finally fails, and the lineup of available units has grown to match that demand.
Efficiency ratings have climbed enough in the last few years that a 0.90+ UEF is no longer a premium feature, it's close to standard on condensing models. What used to separate a good unit from a great one, built-in recirculation, dual fuel compatibility, outdoor-rated venting, is now showing up across a much wider range of price points. That's made the shopping decision less about chasing the highest efficiency number and more about matching a unit to the specific job it needs to do. Four models stand out from our current lineup for exactly that reason.

Why Tankless Still Makes Sense in 2026
A standard tank water heater spends most of its life keeping forty or fifty gallons hot just in case someone turns on a faucet. That standby loss adds up fast on a utility bill. A tankless hot water heater skips that step entirely. It fires up only when a fixture calls for hot water, which is why a high efficiency tankless water heater can carry a Uniform Energy Factor (UEF) north of 0.90 while a comparable tank unit sits well below that.
There's also the space question. Tank heaters eat up a corner of a basement or utility closet for their entire service life. A tankless unit mounts to a wall and takes up roughly the footprint of a suitcase, which frees up real square footage in smaller homes or tight mechanical rooms.

💡 Pro Tip
If you're still weighing the decision itself, our full breakdown of the pros and cons of switching to tankless covers installation cost, flow rate limitations, and maintenance in more depth.

How to Size Your Tankless Water Heater
Two numbers matter more than any brand name: flow rate and temperature rise.
Flow rate is measured in gallons per minute (GPM), and it tells you how much hot water a unit can deliver at once. Add up what you'd realistically run at the same time, a shower plus a dishwasher plus a kitchen faucet, and that's your target GPM. Most single-family homes land somewhere between 5 and 8 GPM, though a house with a multi-head shower system or several bathrooms running simultaneously will need more.
Temperature rise is the gap between your incoming cold water temperature and the hot water temperature you want out of the tap. If your groundwater comes in around 50°F and you want 120°F at the faucet, that's a 70°F rise. Every tankless unit's maximum flow rate drops as the required rise increases, so a heater rated for 11 GPM at a 35°F rise won't hit that same number in a cold-climate winter. Manufacturer spec sheets list flow-versus-rise curves for exactly this reason, and it's worth checking them against your climate before buying.
Homes with unusually high demand, custom showers with multiple heads, in-law suites, or large families in older houses with long pipe runs, sometimes need two units installed in parallel rather than one oversized heater.

💡 Pro Tip
For a full walkthrough, we cover sizing methodology in more detail in our tankless water heater buying guide.

Top Tankless Water Heaters of 2026
Noritz EZTR75-NG: Best for an Easy Tank-to-Tankless Retrofit

The biggest headache in most tankless conversions isn't the unit itself, it's the piping around it and adding an outlet. Swapping a bulky 75-gallon tank for tankless usually means running new PVC venting through an exterior wall and upsizing the gas line, which turns a simple swap into a multi-day job.
The Noritz EZTR75-NG is built specifically to skip that. Its top-mounted water connections line up with where a traditional tank's connections already sit, and the included N-Flex Kit lets it vent through an existing B-vent chimney using flexible 2-inch polypropylene venting instead of a full rework. For a homeowner or contractor replacing an old 75-gallon tank without wanting to touch the wall, that's the difference between a same-day install and a multi-day one.
Performance-wise, it's rated for a 0.96 UEF and delivers up to 11.1 GPM, with output equivalent to a traditional 75-gallon tank. It runs on direct electronic ignition with no standing pilot, includes a remote thermostat with preset temperature options, and connects to the Noritz Connect app for wireless diagnostics and maintenance reminders. The 316L stainless steel construction is built to resist corrosion and scale, and it carries a 5-year parts and 12-year heat exchanger warranty.
Rinnai RX Series (RXP199IN): Best All-Around Pick

If you want one unit that handles nearly any residential setup without compromise, the Rinnai RX Series RXP199IN is the one we'd point most people toward. It's a 199,000 BTU condensing unit rated at 11.1 GPM, and it runs on either natural gas or propane using Smart Sense gas valve technology, so there's no separate conversion kit needed if your fuel source ever changes.
What sets it apart is flexibility. It installs indoors or outdoors, supports 2-inch venting runs up to 75 feet, and comes with a built-in 4-speed DC recirculation pump. That Smart Circ system learns a household's hot water usage patterns over time and can deliver near-instant hot water at the tap without a dedicated return line. It's Energy Star 5.0 rated with a 0.98 UEF, among the more efficient units on the market, and it pairs with the Rinnai Central App over Bluetooth for setup, diagnostics, and quick system flushing.

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Rinnai RE Series (RE199IP): Best Value Pick for Propane Homes

Not every home needs a condensing unit with a built-in recirculation pump, and not every budget wants to pay for one. The Rinnai RE Series RE199IP is a non-condensing, liquid propane unit built for small to medium homes, remodels, and installations where a simpler concentric vent makes more sense than routing PVC.
It's compact enough to install in non-traditional spaces like crawl spaces and attics, and it's Wi-Fi ready with the optional control-r module. At a 0.82 UEF, it won't match the efficiency numbers of a condensing model, but for a smaller household or a secondary property where propane is already the fuel of choice, it delivers reliable on-demand hot water at a lower upfront cost. 
Noritz NRCB199DV-NG: Best for Combined Hot Water and Heating

Some homes don't just need hot water, they need a heating solution too, and running two separate systems means two appliances to maintain, vent, and eventually replace. The Noritz NRCB199DV-NG is a combination boiler that handles domestic hot water and space heating from a single wall-mounted unit, and it can do both at the same time without a noticeable drop in either.
That simultaneous capability matters more than it sounds. In a lot of combi systems, running a shower while the heat is calling for warmth means one or the other suffers. This unit uses three separate 316L stainless steel heat exchangers, primary, secondary, and a flat-plate exchanger dedicated to domestic hot water, so each function draws from its own source rather than competing for the same one. It's rated for a 95% AFUE, delivers up to 11.1 GPM for domestic use, and includes a built-in outdoor reset control that adjusts heating output based on outdoor temperature for better efficiency through the shoulder seasons. 
Note: It's an indoor, wall-mounted install only, and it's worth having a contractor confirm your home's heating load before sizing this one.

Tankless Water Heater FAQ
Are tankless water heaters worth it?
For most households, yes. The upfront cost is higher than a tank system, but eliminating standby heat loss and getting a unit that can last 20 years or more usually pays that difference back over time, especially in homes with consistent daily hot water use.
What size tankless water heater do I need?
It comes down to your peak simultaneous GPM demand and the temperature rise needed for your climate. A single-family home typically needs 5 to 8 GPM, but larger households or homes with high-flow shower systems may need more, sometimes through multiple units installed in parallel.
If you need help sizing a tankless water heater before you buy, the team at Plumbing Deals can help! Use the live chat feature, send an email to contact@plumbingdeals.com, or call 888-682-5956!
Which brands of tankless water heaters are the most reliable?
Rinnai and Noritz are two of the most established names in the tankless space, both known for durable stainless steel heat exchangers and strong warranty coverage. The right choice between them usually comes down to venting setup, fuel type, and whether you need features like integrated recirculation.
Do tankless water heaters run out of hot water?
Not in the way a tank does. A properly sized unit delivers hot water continuously as long as demand stays within its rated flow rate. If demand exceeds that rate, like multiple showers and a dishwasher running at once, the unit will still supply hot water but may not keep pace with every fixture simultaneously.
What maintenance does a tankless water heater need?
An annual descaling flush is the biggest one, especially in hard water areas, along with checking inlet filters and venting for buildup or blockage. Depending on the unit in your home, it’s also important to replace the media in the condensate neutralizer from time to time. Most modern units will flag error codes for anything that needs attention before it becomes a bigger issue.

Choosing the Right Fit
The best tankless water heater isn't the one with the highest BTU rating on the box. It's the one that matches your home's flow demand, fuel setup, and installation constraints. A retrofit-friendly unit solves a completely different problem than a combi boiler, even though both are technically "tankless."
If you're not sure which of these four fits your situation, our customer service team can walk through sizing and venting requirements with you directly. You can reach us through live chat, by emailing contact@plumbingdeals.com, or by calling 888-682-5956!

Question 4

What Is PEX Tubing? Benefits, Drawbacks, and When to Use It

Accepted Answer

PEX tubing has quietly become one of the most dominant pipe materials in residential and commercial plumbing over the past two decades. Walk through almost any new construction project and you'll find it running through walls, under slabs, and across basement ceilings.
It's flexible, fast to install, and built to handle both hot and cold water lines without breaking a sweat. But, for as common as PEX piping has become, there's still a lot of confusion about what it actually is, why there are different types, and when it makes more sense than copper or PVC.
This guide will walk you through all of it, from how PEX pipe is manufactured and what makes PEX-A different from PEX-B, to the real benefits, the honest drawbacks, and the tools and fittings you'll need to get the job done right.

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TABLE OF CONTENTS
Jump to Any Section

What Is PEX Tubing?›

How PEX Is Manufactured› PEX Tubing Color: What It Means› PEX vs. Copper vs. PVC: How They Stack Up›

Benefits of PEX Pipe› Drawbacks of PEX Pipe› When to Use PEX Tubing› How to Work with PEX Tubing›
PEX Connection Methods and Tools›
Expert Tips for PEX Installations› Frequently Asked Questions› Putting It All Together›

What Is PEX Tubing?
PEX stands for cross-linked polyethylene. The "X" in PEX refers to the cross-linking process, which permanently bonds the polymer chains in the polyethylene material together at a molecular level. That cross-linking is what gives it its strength, flexibility, and resistance to heat and pressure that standard polyethylene pipe simply can't match.
The result is a tubing that can handle water temperatures up to 200°F for short durations and carry a pressure rating of 160 psi at 73°F and 100 psi at 180°F. It doesn't corrode, doesn't scale up like metal, and holds up against chlorinated water far better than many alternatives. That's a lot of performance packed into a flexible plastic tube.
The table below summarizes the key properties and common use cases across the main PEX types available in the market.
PEX-A vs. PEX-B vs. PEX-C

Type
Cross-Linking Method
Flexibility
Chlorine Resistance
Common Connection
Best Applications

PEX-A
Peroxide (Engel)
Highest
Moderate
Expansion (ProPEX)
Remodels, tight spaces, cold climates, radiant heat

PEX-B
Silane (Moisture-cure)
Moderate
High
Crimp, clamp, push-fit
New construction, straight runs, potable water

PEX-C
Electron beam
Moderate
Moderate
Crimp, clamp
Radiant heating, commercial, cost-sensitive jobs

How PEX Is Manufactured
There are three main cross-linking methods, and each one produces a slightly different product. The manufacturing method is actually where the letter after PEX comes from:
PEX-A is made using the peroxide method, also called the Engel method. Cross-linking happens during the extrusion process while the material is still in a molten state. This produces the most uniform cross-linking density and results in the most flexible tubing of the three types. PEX-A has what's often called "shape memory," meaning it can recover from kinks when heat is applied. It requires an expansion tool (often called a PEX-A expansion tool or ProPEX expander) and expansion-style fittings.
PEX-B is cross-linked using the silane or moisture-cure method, where the cross-linking occurs after extrusion. It's slightly stiffer than PEX-A and tends to have a lower material cost. PEX-B offers excellent chlorine resistance and is commonly paired with crimp rings or clamp rings using a PEX crimp tool or PEX clamp tool.
PEX-C is cross-linked using electron beam irradiation after extrusion. It's less common on residential jobs but is cost-effective for certain commercial and radiant heating applications. SharkBite's oxygen barrier radiant heating pipe is an example of PEX-C tubing.

💡 Pro Tip
Check out our article ‘PEX-A vs PEX-B: What's the Difference and Which Tools Work for Both?’ for a deeper look at how they compare on the job.

PEX Tubing Color: What It Means
PEX pipe comes in red, blue, white, orange, and purple. Color doesn't affect pressure rating or material performance. It's a labeling system that helps installers keep things organized on the job:

Red identifies hot water supply lines

Blue marks cold water lines

White is neutral and works for either hot or cold, often used in recirculation loops or radiant systems

Orange typically denotes PEX-AL-PEX, the multilayer aluminum-core tubing used in radiant and snow-melt applications

Purple signals non-potable water, such as reclaimed or gray water systems

These color conventions are widely followed, but they're not a guarantee. Some plumbers prefer to work with a single color throughout a job, while others might grab whatever tubing is available on the truck. The practical takeaway is that PEX color should never be used as a substitute for actually tracing and verifying what's running through a line. Before cutting into any PEX pipe for a repair, replacement, or renovation, confirm what's inside it.
Every PEX tube is printed with size, pressure rating, and manufacturer information every four feet, which gives plumbers and inspectors everything they need at a quick glance during rough-in and inspection.
PEX vs. Copper vs. PVC: How They Stack Up
Before diving into specific benefits and drawbacks, it helps to put PEX plumbing in context against the two most common alternatives.
PEX vs. Copper vs. PVC / CPVC

Property
PEX
Copper
PVC / CPVC

Flexibility
High (especially PEX-A)
None
None

Corrosion Resistance
Excellent
Moderate (pitting in some water)
Excellent

Temperature Range
Up to ~200°F short-term
High
CPVC up to ~180°F; PVC lower

Freeze Resistance
Very good (expands rather than splits)
Poor (rigid, can crack)
Moderate

Cost (Material)
Low to moderate
High
Low

Installation Speed
Fast
Slow (soldering required)
Moderate

UV Exposure
Not suitable for long-term
Fine
PVC tolerates it; CPVC limited

Lifespan (Estimated)
50+ years (per PPI TR-3)
50–70+ years
25–40+ years

Connection Method
Crimp, clamp, expansion, press, push-fit
Solder, press, push-fit
Solvent weld, threaded

Copper has been the gold standard for decades, and in some applications it still makes the most sense. But its cost has climbed significantly, it requires time-consuming soldering, and it's vulnerable to corrosion from aggressive or highly chlorinated water. PVC works fine for drain lines and cold-water supply in certain applications, but it can't handle the temperature demands of hot water distribution the way PEX piping can.
PEX pipe covers most of the ground that copper does for water supply lines, gets installed significantly faster, and handles freeze events better. That's a big part of why it's taken over so much of the residential plumbing market.

Benefits of PEX Pipe
1. Flexibility That Actually Changes How You Install Pipe
This is the one that makes the biggest difference on the jobsite. PEX tubing can be bent around corners, threaded through framing, and run in long continuous lengths without needing an elbow fitting at every turn. That reduces the number of connection points in the system, which means fewer potential leak points and less time on the job.
PEX-A takes that even further. Its shape memory means that a kink that would mean cutting out a section of copper pipe can often be recovered by applying heat. On a tight remodel or retrofit, that kind of forgiveness is genuinely useful.
2. Freeze Performance
PEX piping expands rather than splitting when water inside it freezes. That doesn't mean you can skip insulation in cold climates, but it does mean the tubing is significantly more forgiving than copper or PVC when temps drop unexpectedly. For homes in colder regions, that's a real advantage.
3. Corrosion and Scale Resistance
PEX doesn't corrode. It won't pit, rust, or degrade when it comes into contact with chlorinated water, concrete, or soil. That makes PEX water lines a solid choice for areas with aggressive or highly chlorinated municipal water supplies, as well as for buried service line applications (check local codes first, as some require sleeving).

4. Installation Speed
Plumbers consistently report significant labor savings when working with PEX. Running continuous lengths from a manifold to each fixture, using push-to-connect fittings for quick connections, or driving through expansion rings with a PEX-A expansion tool is dramatically faster than cutting and soldering copper joints. Fewer fittings also means fewer opportunities for a mistake.
5. Safety for Drinking Water
PEX tubing certified to NSF/ANSI 61 and NSF/ANSI/CAN 372 is safe for potable water. It's BPA-free and has been independently tested for leaching at concentrations well below any threshold that would pose a health concern. These standards are reviewed regularly and are consistent with EPA and Safe Drinking Water Act requirements.
6. Versatility Across Applications
PEX works for domestic hot and cold water distribution, radiant floor heating, hydronic baseboard systems, snow-melt, fire sprinklers in certain configurations, and manifold-based zoning systems. The same basic pipe material covers a wide range of plumbing applications, which simplifies supply and makes it easier to stick with one system throughout a build.
7. Long-Term Durability
PEX tubing operating within its rated temperature and pressure conditions has a predicted service life of 50 years or more. That's comparable to copper and significantly longer than many alternatives.

Drawbacks of PEX Pipe
No pipe material is perfect for every situation. PEX has real limitations worth knowing before you spec it.
1. No UV Tolerance for Extended Exposure
PEX degrades when exposed to UV light over time. Some manufacturers have achieved six-month UV ratings, but that's not a permanent outdoor solution. PEX shouldn't be left exposed to sunlight during long construction timelines, and it's not appropriate for above-ground outdoor plumbing runs that stay exposed year-round.
2. Permeability Concerns in Contaminated Soil
PEX can be permeable to certain hydrocarbons and other organic solvents. If the pipe will be buried in soil that is or could become contaminated with petroleum products or industrial chemicals, PEX isn't the right choice. Copper or HDPE may be more appropriate in those situations.
3. Rodents Can Damage It
Rodents will chew through PEX just as readily as they'll chew through copper, wood, or most anything else accessible in a crawlspace or wall. It's not uniquely vulnerable, but it's not immune either. In rodent-prone areas, proper protection and access control are important regardless of pipe material.

4. Tool Investment Required
Getting into PEX plumbing correctly requires the right tools. A PEX crimp tool or PEX clamp tool is needed for crimp and clamp connections, a PEX-A expansion tool is required for ProPEX-style connections, and a dedicated PEX cutter is important for clean cuts at every joint. Push-to-connect fittings can reduce tool requirements for smaller repairs, but a full installation benefits from proper tooling. The upfront investment pays off quickly in labor savings, but it's worth factoring in at the start.
5. Not Suitable for High-Temperature Continuous Applications Beyond Its Rating
PEX handles hot water well within its ratings, but it's not designed for steam or ultra-high-temperature systems. Applications requiring temperatures consistently above 200°F should use copper or other high-temperature materials.
6. Fittings Can Restrict Flow and Reduce Water Pressure
PEX fittings work differently than copper fittings. Where a copper joint connects on the outside of the pipe, PEX fittings insert directly inside the tubing, which reduces the internal diameter at every connection point. On a simple run with few joints that difference is minimal, and PEX's smooth interior wall actually helps maintain flow on straight sections. But in a system with a high fitting count, those restrictions accumulate and can result in noticeable pressure drops, particularly when multiple fixtures are running at the same time.

When to Use PEX Tubing
New Residential Construction
PEX plumbing has become the default for most new single-family and multi-family residential construction. A home-run manifold system, where individual PEX water lines run from a central manifold directly to each fixture, reduces fittings inside walls to near zero. That makes the system more reliable and gives homeowners the ability to shut off a single fixture without affecting the rest of the house.
Whole-House Re-piping
If a house has failing galvanized pipe, deteriorating polybutylene, or pitted copper, PEX is one of the most practical re-piping options available. Its flexibility makes it possible to snake through existing wall cavities with minimal demolition compared to rigid pipe.

Radiant Floor Heating and Hydronic Systems
Oxygen-barrier PEX is specifically designed for closed radiant and hydronic systems. The oxygen barrier layer prevents oxygen diffusion through the tubing wall, which protects iron components in the system from corrosion. This is an important distinction. For any radiant floor heating or hydronic baseboard application, use oxygen-barrier PEX, not standard potable water PEX.
Retrofits and Remodels
PEX-A's flexibility and heat-kink recovery make it especially well-suited for remodels where routing pipe through existing framing means tight bends and awkward angles. Running PEX through a finished wall is far more achievable than trying to fish rigid copper.
Cold Climate Construction
In regions where pipes can freeze, PEX's ability to expand under freezing conditions provides meaningful protection against burst pipes. It's not a replacement for proper insulation and pipe placement, but it adds a layer of resilience that copper doesn't offer.

How to Work with PEX Tubing
PEX Tubing Dimensions Reference
The table below covers standard PEX tubing sizes used in residential and light commercial plumbing applications.
Note: Nominal size refers to the common name for the pipe size. Actual OD varies slightly by standard.
Common PEX Sizes and Applications

Nominal Size
Outside Diameter (OD)
Common Use

3/8 in.
0.500 in.
Ice makers, small fixture supply

1/2 in.
0.625 in.
Fixture supply lines (most common residential size)

3/4 in.
0.875 in.
Branch lines, main distribution runs

1 in.
1.125 in.
Larger branch lines, commercial runs

1-1/4 in.
1.375 in.
Commercial main distribution

1-1/2 in.
1.625 in.
Commercial, radiant manifold supply

2 in.
2.125 in.
Commercial main supply lines

For most residential work, 1/2 in. tubing covers individual fixture runs and 3/4 in. handles main branches. Radiant floor heating systems commonly use 1/2 in. loops, while manifold inlet lines often step up to 3/4 in. or 1 in. depending on the system size.
PEX Connection Methods and the Right Tools for Each
Choosing the right connection method matters as much as choosing the right tubing type. Each method calls for specific tooling and works with specific PEX types. Here's what's available, what it requires, and the products we carry at Plumbing Deals to support each one.

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Expansion (ProPEX) — PEX-A Only
An expansion tool widens the tube end, an expansion ring slides over, and as the PEX-A material contracts back to its original shape it forms an extremely tight seal around the fitting. This is one of the most reliable connection systems in the industry and is widely used in high-quality residential builds. It's only compatible with PEX-A tubing and expansion-style fittings. Attempting to expand PEX-B with an expansion tool will damage the tubing.

Recommended tool: Milwaukee M12 FUEL ProPEX Expander Kit with 1/2" to 1" RAPID SEAL ProPEX Expander Heads
For PEX-A installations, this is the Milwaukee PEX tool to reach for. The Milwaukee M12 FUEL ProPEX Expander Kit includes expansion heads in 1/2 in., 3/4 in., and 1 in. sizes, all built for RAPID SEAL ProPEX connections. Cordless and compact, it works well in tight spaces during rough-in, and the RAPID SEAL design resets faster than standard expansion heads, which keeps the job moving on high-volume installs.
Crimp — PEX-A and PEX-B
A copper ring is slid over the tubing, a barbed brass fitting is inserted into the tube end, and a PEX crimp tool compresses the ring. This is one of the most widely used methods in residential plumbing and works with both PEX-A and PEX-B. A go/no-go gauge is used to verify each crimp, which makes quality control straightforward.

Recommended tool: Milwaukee M18 Short Throw Press Tool Kit with PEX Crimp Jaws
The M18 Short Throw Press Tool is a professional-grade option for high-volume crimp work. Its short throw design gives it better access in tight wall cavities and behind fixtures where a standard press tool won't fit. The included PEX crimp jaws handle copper ring connections on both PEX-A and PEX-B tubing. A strong choice for plumbers running large residential or commercial PEX jobs.
Recommended fittings: Sioux Chief PEX Fittings (Crimp-Style Brass)
Sioux Chief produces a dependable line of crimp-style brass PEX fittings built for professional installation. Their fittings work with both PEX-A and PEX-B tubing and are a reliable option for residential new construction, remodels, and service work across a full range of sizes.
Clamp (Cinch) — PEX-A and PEX-B
A stainless steel clamp ring is positioned over the tubing and tightened using a PEX clamp tool. The clamp method works well in tight spaces where a full crimp tool can't get a clean swing, and stainless steel rings resist corrosion better than copper in some environments. Compatible with PEX-A and PEX-B.

Recommended tool: SharkBite PEX Multi-Head Crimp Ring Tool Kit
For professionals and experienced DIYers who want a versatile PEX clamping tool without going fully cordless, the SharkBite Multi-Head Crimp Ring Tool Kit covers 3/8 in., 1/2 in., 3/4 in., and 1 in. sizes in a single kit. Switching heads is fast, and the tool produces consistent crimps on copper rings for both PEX-A and PEX-B.
Press — PEX-A and PEX-B
A stainless steel sleeve is slid over the tubing and compressed using a press tool. Press connections are clean, consistent, and fast, which makes them popular for commercial installations and high-volume residential work where a powered press tool is already on the truck.
For press work, the Milwaukee M18 Short Throw Press Tool Kit listed above handles PEX press connections with the appropriate jaws.
Push-to-Connect — Compatible with Most PEX Types
No tools required. The fitting clicks onto the tubing end using an internal grab ring and O-ring, creating a secure, removable connection. Push-to-connect fittings are the fastest option available for repairs, transitions, and retrofits where connection speed matters more than anything else. They're also one of the most versatile options since they're compatible with PEX-A, PEX-B, copper, and CPVC.
Recommended fittings: SharkBite Push-Fit Fittings
SharkBite's push-fit line covers the full range of connections you'd need on a PEX job, including couplings, 90-degree elbows, tees, reducing fittings, and male connectors in sizes from 1/4 in. through 2 in. All lead-free brass construction, compatible with PEX-A, PEX-B, copper, and CPVC. Whether you're making a quick repair or connecting a full fixture run without a crimp tool on hand, there's a fitting for it.
Every PEX Job Needs a Good Cutter
Clean cuts matter regardless of which connection method you're using. An angled or deformed tube end won't seat correctly in any fitting, which means leaks. A dedicated PEX cutter is a basic requirement for every installation.

Recommended tool: Milwaukee PEX and Tubing Cutter
The Milwaukee 48-22-4204 cuts cleanly through PEX tubing without deforming the tube end, and it handles the common residential sizes used in most installs. Simple, reliable, and worth having on every PEX job.

💡 Pro Tip
To learn more about what tools should have a place in your personal toolkit, read our article ‘10 Essential Tools for Every Homeowner and Plumber..’

Expert Tips for PEX Installations
Match the tool to the tubing type. PEX-A expansion tools cannot be used on PEX-B. Attempting it will damage the tubing. If you're working with PEX-B, use crimp, clamp, press, or push-to-connect connections.
Use oxygen-barrier PEX for closed-loop systems. Standard potable water PEX is not designed for radiant or hydronic applications. Using it in a closed loop will allow oxygen into the system and cause corrosion on iron and steel components, including pumps, boilers, and manifolds.
Make clean cuts. An angled or deformed tube end won't seat correctly in a fitting, which means leaks. A dedicated PEX cutter pays for itself the first time you avoid a callback.
Support and protect buried runs. PEX can be buried direct in most soil applications, but the backfill must be free of rocks and sharp debris. Check local codes for sleeving requirements. Underground fittings typically need to be wrapped with silicone tape.
Keep PEX out of prolonged sunlight. Even high UV-rated PEX should be covered or run indoors as soon as practical. Extended UV exposure degrades the material over time.
Don't mix expansion-style fittings with crimp-style rings. The fitting profiles are different. Expansion fittings require expansion rings; crimp fittings require copper crimp rings. They're not interchangeable.

Frequently Asked Questions About PEX Pipe
What is PEX pipe used for?
PEX pipe is used for hot and cold potable water distribution, radiant floor heating, hydronic baseboard systems, snow-melt tubing, and whole-house repiping. It's approved for both residential and commercial plumbing applications and works well in new construction, remodels, and service work. PEX is not approved for gas lines.
Is PEX pipe safe for drinking water?
Yes. PEX tubing certified to NSF/ANSI 61 is proven safe for potable water applications. It's BPA-free and must pass testing for chemical leaching at levels consistent with EPA and Safe Drinking Water Act requirements. Look for the NSF 61 marking on the tubing print line to confirm compliance.
What's the difference between PEX-A and PEX-B?
The main differences come down to flexibility, connection method, and cost. PEX-A is the most flexible, has shape memory that allows heat-kink recovery, and requires an expansion tool with ProPEX-style fittings. PEX-B is slightly stiffer, more affordable, offers higher chlorine resistance, and works with crimp, clamp, press, or push-to-connect connections. Both are reliable for residential plumbing. For a full breakdown, see our post on PEX-A vs PEX-B: What's the Difference and Which Tools Work for Both?
Can PEX pipe be buried underground?
Yes, in most applications. PEX is approved for direct burial per AWWA C904 based on its corrosion resistance to soil and water. The backfill needs to be free of rocks, debris, and sharp objects that could damage the tubing. Some local codes require sleeving for buried PEX runs, and underground fittings typically need to be wrapped with silicone tape. Always check local code requirements before burying any pipe.
How long does PEX pipe last?
Per PPI TR-3, PEX tubing operating within its rated temperature and pressure conditions has a predicted service life of 50 years or more. Actual longevity depends on installation quality, water chemistry, and whether the tubing stays within its rated operating range throughout its life.
Can you use PEX for outdoor plumbing?
PEX can be used for outdoor applications where the pipe is protected from UV exposure, such as buried service lines or runs inside insulated enclosures. It's not appropriate for above-ground outdoor runs exposed to direct sunlight year-round. UV degrades PEX over time, and even high-rated tubing is only tested for up to six months of UV exposure per ASTM F2657. For any outdoor application, protect the tubing or choose a UV-stable material for exposed sections.

Putting It All Together
PEX tubing earns its place in modern plumbing because it genuinely solves real problems. It's faster to install than copper, more forgiving in freeze conditions, corrosion-resistant, and flexible enough to navigate the kind of framing that would require a dozen fittings with rigid pipe. When it's matched to the right application, the right connection method, and the right tools, it's one of the most reliable pipe systems available.
It's not right for everything. UV exposure, contaminated soil environments, gas service, and ultra-high-temperature systems all require different materials. But for potable water distribution, radiant heating, hydronic systems, and whole-house repiping, PEX piping delivers proven long-term performance.
At Plumbing Deals, we carry PEX tubing, fittings, and professional-grade tools to ensure you’re stocked before your next installation. To speak with one of our plumbing specialists and get guidance before you place your order, call our toll-free line at 1-888-682-5956.

Question 5

Condensate Neutralizer Maintenance: How To Keep Your System Running Smoothly

Accepted Answer

Condensate systems usually don’t get much attention until something goes wrong. A slow drip, a clogged drain line, or corrosion around a fitting is often the first sign that the condensate neutralizer isn’t doing its job anymore.
If you’re running a high-efficiency tankless water heater or boiler, that acidic condensate is part of normal operation. The problem is that over time, the neutralizing media inside the kit breaks down and loses effectiveness. When that happens, the system keeps running, but the drainage side starts taking the hit.
A well-maintained condensate neutralizer helps protect your system and keeps everything running as expected. If you’re working with one, then understanding how to maintain it is just as important as installing it correctly.

What’s Actually Happening Inside Your Condensate System
Every condensing appliance (boiler, furnace, water heater) produces acidic water as a byproduct of pulling extra heat from exhaust gases. That includes tankless systems, high-efficiency furnaces, and condensing boilers.
That water doesn’t just disappear. It has to move through a drain system, and before it gets there, it needs to be treated. That’s where a neutralizer comes in. Inside the unit, condensate flows over media that slowly dissolves while raising the pH. It’s a simple process, but it only works as long as that material is still active.

Why Neutralizer Maintenance Gets Overlooked
Most systems don’t have an obvious failure point. There’s no alarm when the media is depleted, and the equipment itself keeps running just fine.
What you start to notice instead are secondary issues:

Drain lines showing early signs of corrosion 
White or chalky buildup around fittings
Slower drainage over time
Occasional blockages caused by sediment

These are easy to miss, especially in mechanical rooms or basement installs. That’s why maintenance often gets skipped until something forces attention.

What Routine Maintenance Really Looks Like

A lot of people expect this to be complicated, but the work itself is simple. It just needs to be done consistently.
Start with a quick visual check every few weeks to look for basic things like secure connections, steady flow, and no signs of leaking. This is especially easy with systems that are designed with visibility in mind.
The American Valve CondensateRX condensate neutralizer kit uses a clear inline housing, so you can quickly see the condition of the media without taking anything apart. That makes it much easier to spot when levels are dropping or when buildup is starting to form. 
A couple of times a year, it’s worth opening the unit to check the condition of the media. If levels have dropped or the material looks worn down, it’s time for a condensate neutralizer refill. Systems that make this step easy tend to get maintained more consistently, which is exactly what you want.

How to Replace the Media Without Overthinking It
Media replacement for condensate neutralizers is the part most people put off, but it’s usually the quickest fix in the whole system.
Once the unit is off and cooled down, open the housing and take a look inside. If the media has broken down into smaller particles or the level has dropped significantly, it’s no longer doing its job effectively.
The process with inline systems like the CondensateRX is simple because the housing is designed to open and reseal without much effort. That’s a big advantage during routine service, especially if you’re working in tighter spaces.
For wall-mounted options like the Noritz NC-1W, the same process applies, but the positioning makes it easier to work comfortably without crouching or reaching into a crowded mechanical area.
Remove the old material, refill with fresh media, and reassemble the unit. After that, run the system briefly and check for leaks or flow issues.
This process is the same whether you’re working on a tankless water heater condensate neutralizer, a boiler condensate neutralizer, or a condensing boiler neutralizer setup.

When a Condensate Pump Enters the Picture

Not every system can rely on gravity to move condensate to a drain. In basements or certain retrofit installations, a condensate pump becomes necessary.
A condensate pump moves the water to a drain. In some setups, a condensate pump with a built-in neutralizer handles both treatment and discharge. This is more common in commercial setups or with higher-output systems like the Rinnai Sensei CX Series, where consistent drainage is critical.
Maintenance here includes both sides of the system. You still need to check and replace neutralizing media, but you also need to make sure the pump reservoir stays clean and the float mechanism operates properly.
Pro Tip: To find the perfect condensate pump for your home plumbing system, read our comprehensive guide!

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Installation Choices That Make Maintenance Easier Later
A lot of maintenance headaches come from how the system was installed in the first place.
If the unit is buried behind other equipment or mounted too tight to access, even simple service becomes a hassle. On the other hand, systems that are installed with maintenance in mind tend to last longer and perform more consistently.
That’s one reason why compact, purpose-built solutions are popular. Systems like the Noritz EZTR75NG and Noritz EZTR40-NG are often installed in tight residential spaces, so pairing them with an accessible neutralizer setup makes future service much easier.
Even small decisions like leaving enough clearance to open the housing or positioning the unit at eye level can make a big difference over time.

Practical Maintenance Tips from the Field
The systems that stay trouble-free usually follow the same pattern. They’re installed with access in mind, checked occasionally, and serviced before problems show up.
A few habits can extend the life of both the neutralizer and the equipment connected to it, including:

Don’t wait for visible damage before checking the system 
Keep extra media on hand for quick refills
Watch for slow drainage as an early warning sign
Rinse out sediment during annual service
Make sure any condensate filter in the system stays clear

Pro Tip: For an in-depth look into condensate neutralizers, read our guide to choosing the best one for your home!

Keeping Your System Reliable Over Time
When a condensate neutralizer is ignored, problems don’t show up all at once. Instead, you get slow corrosion, restricted drainage, and wear on components that should last much longer. 
Staying ahead of maintenance prevents those issues before they turn into repairs. The system drains properly, the piping stays protected, and the equipment continues running the way it was designed to.
A few minutes of maintenance a couple of times a year is usually all it takes. When that’s built into your routine, it becomes one of the easiest parts of keeping a high-efficiency system running smoothly.
For help picking the right products, getting the best rate, and finding answers to all your questions, call our Customer Service team at 1-888-682-5956 (toll-free)!

Question 6

Say Goodbye to Scale with the ScaleRX Whole Home System

Accepted Answer

Are you tired of seeing that chalky, white buildup on your faucets and showerheads? That stubborn residue, known as limescale, isn't just an eyesore. It can cause serious problems for your home's plumbing and water-using appliances. Hard water affects over 85% of American homes, leading to inefficient appliances, higher energy bills, and costly repairs. So, what’s the solution? Let’s talk about the American Valve ScaleRX Whole Home System.
This innovative system offers a powerful, maintenance-free way to protect your home from the damaging effects of limescale. It’s an easy-to-install, "fit and forget" solution that keeps your plumbing running smoothly and efficiently for years to come.
What is Scale Buildup and Why is it a Problem?
Before we dive into how ScaleRX works, let's understand the enemy: limescale. When water contains high concentrations of minerals like calcium and magnesium, it's known as "hard water." As this water flows through your pipes and heats up in your water heater, these minerals precipitate out and form hard, crystalline deposits.
This limescale buildup can:

Clog pipes and fixtures: Reducing water flow and pressure.
Damage appliances: Limescale on heating elements in water heaters, dishwashers, and washing machines forces them to work harder, reducing their efficiency and lifespan.
Increase energy bills: Just a small layer of scale on a water heater element can significantly increase energy consumption to heat the same amount of water.
Leave unsightly stains: It creates those stubborn white spots on your dishes, glassware, and plumbing fixtures.

While traditional salt-based water softeners remove these minerals, they also require electricity, regular salt refills, and release brine discharge into the environment. Is there a better way?
How the ScaleRX System Revolutionizes Scale Prevention
The ScaleRX system is not a water softener. It’s a water conditioner. Instead of removing beneficial minerals like calcium and magnesium, it changes their structure so they can no longer stick to surfaces.
At the heart of the ScaleRX is its patented Turbulent Galvanic Polarization (TGP) technology. As hard water flows through the unit, the specialized TGP media acts as a catalyst. It causes the calcium and magnesium ions to form stable, microscopic crystals. These harmless crystals are too small to adhere to pipes, heating elements, or fixtures. Instead, they simply flow through your plumbing system and down the drain.
The result? Your pipes and appliances are protected from scale accumulation without the need for chemicals, salt, or electricity.

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Key Features and Benefits of ScaleRX
The ScaleRX system is designed for maximum effectiveness with minimal effort. It offers a unique combination of performance, convenience, and eco-friendliness that sets it apart from other scale-reduction methods.
Proven Performance
Independent testing by IAPMO R&T confirms that the ScaleRX reduces limescale buildup by an impressive 76%. In side-by-side comparisons, it was proven to be four times more effective than the leading electronic scale reduction device. This means you can trust it to protect your most valuable plumbing investments.
Completely Maintenance-Free
Once the ScaleRX is installed, you can forget about it. Seriously.

No electricity required: It operates completely off-grid, so it won't add to your energy bill.
No chemicals or salt: This system is an environmentally friendly solution that doesn't introduce any additives into your water or the environment.
No filters to change: The TGP media is designed to last.

This "fit and forget" design saves you time, money, and hassle over the long run.
Durable and Versatile Installation
The ScaleRX is built to last. Constructed from high-quality stainless steel, it’s durable enough for both indoor and outdoor installation. It features standard female NPT connections and is compatible with a wide range of pipe types, including Copper, CPVC, PVC, and PEX. Plus, it won’t affect your water pressure, ensuring a strong, steady flow throughout your home.
Long-Term Peace of Mind
American Valve stands behind the ScaleRX with a 12-year limited warranty. With a typical lifespan of 12-15 years, this system provides more than a decade of reliable protection for your entire home's plumbing system.
Extend the Life and Efficiency of Your Water Heater
Your water heater is one of the most expensive and hardest-working appliances in your home. It’s also one of the most vulnerable to limescale damage. Scale buildup on the heating element acts as an insulator, forcing the unit to use more energy to heat the water. This not only drives up your utility bills but also shortens the lifespan of the heater.
By installing a ScaleRX system on the incoming cold water line, you prevent scale from ever forming on the heating element. This ensures your water heater operates at peak efficiency, saving you money on energy costs and helping you avoid premature replacement. It’s an especially great fit for modern tankless water heaters, which have intricate heat exchangers that are highly susceptible to clogging from scale.
Is the ScaleRX Right for Your Home?
If you live in an area with hard water and want a simple, effective, and eco-friendly way to protect your plumbing and appliances, the ScaleRX Whole Home System is an excellent choice. It offers a powerful, set-it-and-forget-it solution that keeps your water flowing freely and your appliances running efficiently for years. Say goodbye to scrubbing stubborn scale deposits and hello to a healthier, more efficient home.
Curious about installation? Scroll down to watch our step-by-step YouTube video, where we walk you through exactly how to set up the ScaleRX system in your own home! Watch the installation video here.
For help picking the right products, getting the best rate, and finding answers to all your questions, call our Customer Service team at 1-888-682-5956 (toll-free)!

Question 7

Stop Scale and Protect Plumbing: The "Fit and Forget" Power of Zilmet ActivFlo Water Conditioners

Accepted Answer

Tired of Limescale? Why Traditional Softeners Aren’t Always the Answer
Hard water is the enemy of efficiency. The white, crusty buildup—limescale—that chokes your showerheads, coats your dishes, and degrades the heating elements in your appliances is more than just an aesthetic nuisance. It's a costly problem that drives up energy bills and shortens the lifespan of your tankless water heater, boiler, and other critical equipment.
While salt-based water softeners are one solution, they come with maintenance hassle (buying salt) and environmental concerns (salt brine discharge). Enter the Zilmet ActivFlo Water Conditioner: a revolutionary, no-salt, no-power, and zero-maintenance solution designed to protect your plumbing and appliances for up to 15 years.
What Exactly is the Zilmet ActivFlo Valve? (The Conditioning Difference)
The ActivFlo system is not a water softener—it’s a water conditioner. This is a crucial distinction:

Softening chemically removes beneficial minerals (Calcium and Magnesium) and replaces them with Sodium (salt).

Conditioning physically changes the structure of those minerals so they can no longer stick to surfaces.

This means you get all the benefits of scale prevention without the drawbacks of traditional softening. The ActivFlo operates passively, making it a true "Fit and Forget" product with an incredibly low Total Cost of Ownership (TCO).

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How Does Zilmet's Technology Work? The Hybrid Catalyst
The ActivFlo's effectiveness comes from a proprietary, multi-stage hybrid process:

Template-Assisted Crystallization (TAC): The scientific core is the conversion of adhesive limescale (calcite) into a non-adhering crystalline form called aragonite. Aragonite crystals are smoother and flow harmlessly out with your water.

Turbulent Amplification: The ActivFlo forces water into a highly chaotic, spinning motion. This maximizes the kinetic energy and ensures every mineral particle hits the next crucial component.

Electrolytic Catalysis: The water passes through a specialized internal alloy coil. This catalytic surface generates a small, localized electrical charge, acting as a powerful nucleation site. This energy rapidly triggers and stabilizes the phase change from calcite to aragonite.

This combination of fluid dynamics and an electrochemical bias stabilizes the treated water for a minimum of 72 hours, ensuring the non-scaling effect protects your entire plumbing system.
Does It Work, and Do People Like It? (Efficacy & User Experience)
Yes, the ActivFlo is highly effective, and user reviews are overwhelmingly positive, even in regions with very high water hardness (up to 28 grains).
Performance Efficacy

Scale Prevention: It reliably prevents new scale from forming on heating elements and pipes, maintaining the peak thermal efficiency of your appliances.

Existing Scale Removal: Many users report that the system facilitates the gradual removal of existing scale buildup over time.

Soap Efficiency: Treated water interacts better with cleaning agents, meaning you can often use up to 50% less soap, detergent, and shampoo.

The User Experience
While standard water tests will still register the water as "hard" (since the minerals are still present), the experience is vastly improved:

Easier Cleaning: Any residue that forms when the water evaporates is soft and powdery, making it incredibly easy to wipe away compared to hard, bonded limescale.

Better Personal Care: Users report noticeable improvements in softer skin and hair.

Manufacturer Assurance: Zilmet backs the residential line with a robust 15-year product warranty, confirming its commitment to long-term performance.

When Is the Zilmet ActivFlo Best to Use?
The ActivFlo is a strategic solution best deployed in these critical scenarios:

Protection of High-Efficiency Heating Systems: This is the most vital application. Installing an ActivFlo directly before a tankless water heater, boiler, or heat exchanger protects its most expensive components, maintaining efficiency and preventing costly premature failure.

Salt-Restricted Areas: If you live in a region with environmental regulations restricting or prohibiting the discharge of salt brine into wastewater systems, the ActivFlo is your compliant, zero-waste alternative.

Low-Maintenance Priority: For busy homeowners or large commercial facilities where regular maintenance oversight (like salt top-offs) is impractical, the ActivFlo offers continuous, unattended protection.

⚠️ A Critical Precondition: Iron Content
Before installation, it is crucial to test your water for iron. If the iron content is higher than 4 parts per million (ppm), an iron filtration unit must be installed upstream. Iron will foul the proprietary catalytic alloy coil, rendering the system ineffective regardless of water hardness.
Conclusion: Continuous Protection, Zero Hassle
The Zilmet ActivFlo Water Conditioner offers a scientifically advanced, cost-effective, and highly reliable way to manage hard water scale. By converting abrasive limescale into harmless, non-adhering crystals, it ensures your appliances run longer, your energy costs stay lower, and your maintenance worries disappear.
Ready to protect your plumbing and appliances for the next 15 years? Consult with a professional to correctly size the ActivFlo unit for your specific flow rate requirements.
For help picking the right products, getting the best rate, and finding answers to all your questions, call our Customer Service team at 1-888-682-5956 (toll-free)!

Question 8

Tankless Water Heater Buying Guide: How to Choose the Right Model

Accepted Answer

Choosing a tankless water heater can feel overwhelming, but it doesn’t have to be. Whether you’re a homeowner wanting to upgrade your system or a contractor helping clients, we wrote this guide to tell you everything you need to know—from sizing and fuel type to brands and long-term maintenance.
Why Choose a Tankless Water Heater? (Key Benefits)
Switching from a traditional tank heater to a tankless (on-demand) system brings several advantages:
1. Energy Efficiency & Cost Savings
Tankless heaters only heat water when you use it, eliminating standby losses. Over time, many homeowners see 10–30% lower utility bills (depending on your usage pattern and fuel cost).
2. Endless Hot Water on Demand
No more running out of hot water mid-shower. A properly sized tankless unit supplies continuous hot water to multiple fixtures (depending on sizing).
3. Compact, Flexible Installation
Tankless units are far smaller than storage tanks. They can fit in tighter spaces, free up basement/utility room area, and be mounted on walls (indoor or outdoor) in many cases.
4. Longer Lifespan & Low Maintenance
Good tankless units often last 20+ years with proper maintenance (compared to 10–15 years for tank heaters).

How to Size a Tankless Water Heater
Proper sizing is critical. If you undersize, you’ll run out of hot water; oversize, you’ll waste money.
Understanding Flow Rate (GPM)

GPM = gallons per minute the unit must deliver.
Estimate your peak simultaneous usage (e.g., shower + dishwasher + faucet).
Typical need: 5–8 GPM for most single-family homes (varies by climate and fixture count).

To calculate the required GPM, estimate your peak simultaneous usage by summing the flow rates of fixtures that might run at once (e.g., shower + dishwasher). This often results in a 5–8 GPM need for standard homes. However, if you have a custom shower with multiple shower heads, body sprays, or raincan shower heads, your demand will be much higher. For these high-demand situations, you must explore options like installing multiple tankless units in parallel (cascading) or pairing a unit with a buffer tank to ensure the necessary GPM is met.
Calculating Temperature Rise

Temperature rise = desired hot water temp minus incoming cold water temp.
Example: if your incoming water is 50 °F and you want 120 °F, you need a 70 °F rise.
Ensure your unit can deliver the required GPM at that rise.

Tip: Use manufacturer spec sheets to cross-check flow vs. rise curves.

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Gas vs Electric Tankless Water Heaters
Each type has pros & cons. Your choice depends on your home setup, budget, and preferences.

Feature
Gas (Natural Gas / Propane)
Electric

Typical Flow Capacity
Higher capacity for whole-house use
Good for smaller homes or point-of-use

Venting & Installation
Requires venting and possibly gas line upgrades
No venting, simpler installation (if electric capacity exists)

Operating Cost
Depends on gas prices (often cheaper per BTU)
Depends on electricity rates, may cost more in some areas

Upfront Cost
Usually higher installation cost
Usually lower installation cost if wiring capacity exists

Efficiency
High-efficiency condensing models available
Few losses, but limited by circuit capacity

Use Case
Best for whole-home high demand
Ideal for smaller homes, apartments, or point-of-use

Recommendation:
 If your home already has natural gas infrastructure and moderate-to-high demand, a gas unit often provides more headroom. If your plumbing is distant from gas or you have strong electric infrastructure, an electric model might be simpler and cheaper to install.

Top Tankless Water Heater Brands
Rinnai
Rinnai is widely regarded for reliability, a broad model range, and advanced features (like recirculation).
Noritz
Noritz offers excellent condensing units and flexible venting.
Eemax
Eemax is strong in electric/on-demand units, especially for point-of-use applications.
Tip: When comparing, look at key specs like maximum GPM at target rise, warranty, and accessories (circulation pumps, venting options).

Installation Tips & Cost
Professional Installation Matters
Because tankless systems involve gas, venting, plumbing, and sometimes electrical upgrades, professional installation is strongly recommended. A poor installation can dramatically reduce performance, efficiency, or lifespan.
What Drives Installation Cost

Venting materials and layout
Gas line sizing or upgrades
Electrical wiring (for electric units)
Permits, inspections, and labor
Condensate drainage (for condensing models)

Return on Investment
Because of energy savings and longer life, many installations pay for themselves over 7–12 years (or sooner in high-use households).

Maintenance & Longevity Tips
To keep your tankless water heater running optimally:

Annual Descaling (Flushing): Hard water minerals accumulate over time. Flush with a vinegar or descaling solution.

Clean or Replace Filters: Many units have inlet filters; keep them clean to prevent clogs.

Inspect Venting & Condensate Lines: Ensure nothing is blocked or degraded.

Check for Error Codes: Modern units often self-diagnose and can catch small issues early.

With proper care, many units will remain trouble-free for 20 years or more.

FAQ

Are tankless water heaters worth it?
Yes, they offer energy savings by eliminating standby losses, providing endless hot water, and typically lasting longer than tank units, making them a smart long-term investment.
What size tankless water heater do I need?
It depends on your flow rate and temperature rise. For many homes, 5–8 GPM is sufficient, but always match specs to your peak usage.
Can I replace my old tank heater with a tankless unit easily?
 It’s possible, but depending on venting, gas line, or electrical capacity, upgrades may be required. A professional installer should evaluate your setup.
How often do tankless heaters need maintenance?
 At a minimum, an annual flush/descaling is advised in areas with hard water, more frequently if water quality is poor.

Next Steps
You’re not alone in making this decision! Here’s what to do next:
Want to browse models?
Click below to see our selection:

Rinnai Tankless Water Heaters
Noritz Tankless Water Heaters
Eemax Tankless Water Heaters

Need help choosing or sizing?
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Place your order or request a project quote. We offer expert support and quality parts.

Question 9

5 Advantages of Tankless Water Heaters (+ 6 Top Picks to Buy Now)

Accepted Answer

Thinking about replacing your water heater? Tankless models deliver instant hot water, save energy, and free up valuable space without the risk of running out. In this guide, you'll explore the five biggest benefits of going tankless and see six of the top models that homeowners and plumbing pros trust.
1. Lower Energy Use and Reduced Utility Bills
Energy Savings with High-Efficiency Tankless Water Heaters
Tankless water heaters turn on only when hot water is needed. According to the U.S. Department of Energy, they're 24%–34% more efficient for households that use about 41 gallons per day, and 8%–14% more efficient for homes using around 86 gallons per day. That means savings on your utility bills, month after month.
For even higher savings, look for an ENERGY STAR® certified gas tankless water heater. ENERGY STAR says a family of four can save about $95 per year (or about $1,800 over the unit's life) compared to a standard gas storage water heater.
Because a tankless system only fires when you need hot water, you waste less energy than you would keeping 40–60 gallons hot at all times. Some of the top high-efficiency "condensing" tankless water heaters even reclaim extra heat from exhaust gases for increased performance.
Top Models for Maximum Efficiency

Rinnai RX Series RXP199IN11.1 GPM, 199,000 BTU, condensing, and an integrated recirculation pump for rapid hot water—even at distant fixtures.

Noritz GQ-C3261WZ-FF-US-NGUp to 11.1 GPM with condensing efficiency, engineered for large households and colder climates where a higher temperature rise is needed.

2. Endless Hot Water When Sized Correctly
Choosing the Right Flow Rate for Your Home
On-demand heating means your hot water will never "run out" like it can with a storage tank. The key is choosing the right flow rate. Some small electric point-of-use models deliver about 2–5 gallons per minute (GPM), but larger homes need high-flow gas tankless or even multiple units for showers and appliances that run at the same time. Premium models like the Rinnai RX Series RXP199IN and Noritz NRCB199DV-NG have flow rates around 11 GPM.
For sizing, add up the GPM of the fixtures you'll use simultaneously. Typical showers use about 1–2 GPM, faucets about 0.5–1.5 GPM. Choose a tankless unit that meets your total demand at your home's coldest winter temperature rise.
Top Whole-Home and Point-of-Use Models

Rinnai RE199iN (indoor)Up to 9.8 GPM, 199,000 BTU, indoor, non-condensing, whole-home.

Noritz NR98ODNG (outdoor)Outdoor-rated, 9.8 GPM, 199,900 BTU, saves indoor space, easy venting.

Eemax HA027240 HomeAdvantage II (electric point-of-use)Compact, no venting needed, delivers instant hot water at the tap, ideal for low/moderate flow or warm climates.

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3. Space-Saving, Flexible Installation Options
Tankless water heaters are compact, often returning a closet's worth of space to your home. Many are installed on a wall, and some are designed for outdoors, which frees up even more room in the basement, utility room, or closet.

Indoor Wall-Mount Solutions for Compact Spaces
Rinnai RE199iNStrong GPM in a tight footprint, perfect for families.
Outdoor Installations to Free Up Indoor Space
Noritz NR98ODNGOutdoor, durable, keeps equipment out of living spaces.
4. Longer Lifespan and Reduced Risk of Leaks
Built to Last: Why Tankless Water Heaters Outperform Storage Tanks
Most tankless water heaters are built to last. A typical lifespan is 20+ years (with replaceable parts), while storage tanks usually last 10–15 years. And with no large water reservoir, the risk of a tank leak is gone, so you're much less likely to have water damage.
Protect Your Investment from Hard Water

Tip: If you have hard water, use American Valve Scale RX to protect your investment from scale buildup.
Top Models for Longevity and Efficiency

Noritz GQ-C3261WZ-FF-US-NGCondensing design for long-term reliability and energy efficiency.

Rinnai RX Series RXP199INIntegrated recirculation pump reduces wait time and water waste, combining comfort with durability.

5. Cleaner, Faster, More Efficient Hot Water
Smart Recirculation for Quick Comfort
Because tankless water heaters don't have "standby losses" from storing hot water, you're not wasting energy. Modern models use smart recirculation or small buffer tanks to reduce the "cold-water sandwich" and shorten the wait for hot water at far fixtures—features that help cut water waste and improve comfort.
Top Models for Rapid Hot Water Delivery

Rinnai RX Series RXP199INBuilt-in recirculation pump provides near-instant hot water to every tap.

Eemax EMT6 6-Gallon Electric Mini-TankNot tankless, but a point-of-use add-on ideal for distant sinks or guest suites where full recirculation isn't possible.

What to Consider Before Switching to Tankless
Upfront Costs and Installation Requirements
Tankless units generally cost more and may require a gas line, venting, or electrical upgrades, plus possible replumbing.
Sizing, Temperature Rise, and Maintenance Tips
Descale and flush annually to keep things running efficiently. If your home has frequent, multiple simultaneous hot water uses, go for a higher-output unit or zoned system. Check the GPM and temperature rise with a qualified contractor.
Quick Sizing Checklist for Your Home

List all at-once hot water uses.
Add up the GPM for those fixtures (check the manufacturer specs).
Determine your local "temperature rise"—subtract your coldest incoming water temp from your target hot water temp.
Pick a unit that meets your required GPM at your needed temperature rise (gas usually handles larger rises than electric).
If you're close to max capacity, size up or consider a secondary unit for high-traffic bathrooms.

Our Shortlist: Which Tankless Water Heater Fits Your Home?
Highest Output for Large Families
Rinnai RX Series RXP199IN – 11.1 GPM, condensing, integrated pump
Ultra-Efficient Condensing Models
Noritz GQ-C3261WZ-FF-US-NG – 11.1 GPM, condensing
All-Around Indoor Options
Rinnai RE199iN – 9.8 GPM, non-condensing, indoor
Outdoor-Ready Units
Noritz NR98ODNG – 9.8 GPM, outdoor install
Electric Tankless and Mini-Tank Add-Ons
Eemax HA027240 HomeAdvantage II – compact, no venting
Eemax EMT6 – 6-gallon mini-tank for remote taps
Bottom Line: Is a Tankless Water Heater Right for You?
If you want energy savings, continuous hot water, space savings, and longer unit life, a tankless water heater is a great upgrade, especially if your home's hot water use fits its strengths and you size it right.
At Plumbing Deals, we carry all the top tankless brands and the accessories you need—from recirculation kits to scale reducers and venting. We'll help you choose the right size and type, and we can even coordinate with your installer on specs and parts to make swap day smooth. Ready to upgrade? Start your journey to efficient, on-demand hot water today!
For help picking the right products, getting the best rate, and finding answers to all your questions, call our Customer Service team at 1-888-682-5956 (toll-free)!

Question 10

Should You Switch to a Tankless Water Heater?

Accepted Answer

Thinking about upgrading your home’s hot water system? Moving from a traditional tank to a tankless water heater is a popular choice for homeowners looking to improve efficiency and convenience. Whether you currently have a 40-gallon Rheem, A.O. Smith, or State Water Heater tank, you should know that these traditional systems have an average lifespan of 10-12 years, with efficiency dropping by about 1% annually. If you’re ready for an upgrade, switching to a tankless water heater—whether a gas or electric tankless water heater—can mean significant long-term savings, lower energy bills, and the luxury of on-demand hot water.
Let’s talk about some of the pros and cons to help you decide if making the switch (and investing in professional tankless water heater installation) is the right move for your home.

The Pros of Going Tankless
Upgrading to a tankless water heater offers several attractive benefits that can improve your daily routine and lower your utility costs.
Endless Hot Water
A tankless water heater provides a continuous supply of hot water. You can run multiple showers or appliances at once without worrying about running out. To get the best results, ensure the heater’s BTU output or the electric tankless water heater capacity is properly sized for your home’s total hot water needs. For larger homes or higher hot water demands, you can install multiple tankless units.
Increased Efficiency and Savings
Unlike traditional tanks, a tankless hot water heater only heats water when you need it. This eliminates standby heat loss, as there’s no giant tank constantly heating water. The result is lower energy use and real savings on your bills. Many homeowners find that the tankless water heater cost is quickly offset by the energy savings over time.
More Space in Your Home
Tankless water heaters are compact and wall-mounted, freeing up valuable floor space in your garage, closet, or utility room. This is especially ideal for smaller spaces or anyone interested in a cleaner layout.
A Longer Lifespan
With proper maintenance, a tankless water heater can last 20 years or more—nearly double the lifespan of a standard tank water heater, which usually lasts 10-15 years. This extended life means less frequent replacement and a better return on investment.
Reduced Risk of Leaks
Since there’s no large tank storing gallons of water, the risk of a major leak and costly water damage is significantly lower.

The Cons of Going Tankless
While a tankless water heater comes with many benefits, there are some important factors to weigh before you commit.
Higher Initial Cost
The upfront tankless water heater cost is typically higher than with a traditional tank system. Both the price of the best tankless water heater models and the tankless water heater installation cost can be significant. However, lower energy bills and a longer lifespan can balance this over time.
Complex Installation
Tankless water heater installation can be complex. It often involves moving water and gas lines, upgrading the gas pipe size, and installing new venting. For electric tankless water heater models, you may need an electrician to add a required GFI outlet. Professional installation is strongly recommended to ensure safety and system reliability.
Flow Rate Limitations
While a tankless water heater delivers endless hot water, each unit is rated for a specific flow rate (gallons per minute, or GPM). Using multiple hot water sources at once can sometimes exceed the capacity, causing a drop in water temperature. For larger households, installing multiple tankless units can be an effective solution.
Regular Maintenance is Key
To maximize efficiency and lifespan, tankless water heater maintenance—including periodic descaling—is essential, especially in areas with hard water.
Short Wait for Hot Water
Without a recirculation pump, it may take a little longer for hot water to reach the faucet compared to a traditional tank water heater. This is simply because water is heated on demand.

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Recommended Tankless Models
If you’re searching for the best tankless water heater for your home, these top-rated options are worth considering.

The Rinnai RX Series: A Great All-Around Choice
For an excellent all-around tankless water heater, consider the Rinnai RX Series 11.1 GPM 199,000 BTU Indoor/Outdoor Condensing Tankless Water Heater. This condensing unit is highly efficient with a 0.98 UEF (Uniform Energy Factor) rating.
While the unit itself offers great value, remember that labor can be a significant cost when converting to a tankless system. Plumbers often need to relocate water and gas lines and adjust venting for the new unit. The RX Series is a sound investment, enhanced by its integrated Smart Circ pump.

Noritz EZTR75NG: Engineered for Simpler Installation
The Noritz EZTR75-NG is a highly efficient tankless water heater, perfect for residential use. It matches the output of a 75-gallon tank while delivering a continuous hot water supply with a 0.96 UEF efficiency rating.
Designed to reduce installation costs, it simplifies replacing traditional tank heaters with top-mount water connections and an attached power cord for easy setup. The included N-Flex Kit allows seamless connection to existing B-vent systems, saving time and labor during installation.
For maintenance, descaling is essential. While some units include built-in isolation valves, you can purchase a universal option like the Red White 3/4 Lead Free Brass Tankless Isolation Kit, or choose a branded kit if preferred.

Why a Recirculation System Matters
A traditional water heater constantly uses energy to keep a tank warm, resulting in significant standby heat loss. If your unit is 70% efficient, you’re losing 30 cents for every energy dollar spent. Tankless water heaters eliminate this waste by heating water only when needed. Adding a hot water recirculation pump, either integrated or external, ensures you get near-instant hot water while maximizing energy and water savings.

Understanding Your Venting Options
Venting is a key consideration for tankless water heater installation. Condensing models like the Rinnai RX Series can be vented with affordable PVC piping, while the Rinnai RE Series is a reliable choice for situations where PVC isn’t possible. Compare condensing vs non-condensing tankless water heater options to determine the best fit for your home and budget.

Is a Tankless Water Heater Right for You?
Switching from a tank water heater to a tankless water heater is a smart home upgrade that brings efficiency, savings, and everyday convenience. While the overall tankless water heater cost—including installation—can be higher upfront, the long-term payoff is real. By choosing the best tankless water heater for your needs and considering options like a recirculating pump or professional installation, you can enjoy higher performance and maximum value for years to come.
For help picking the right products, getting the best rate, and finding answers to all your questions, call our Customer Service team at 1-888-682-5956 (toll-free)!

Question 11

Electric vs. Gas Tankless Water Heater: Which is Better for Your Home?

Accepted Answer

Choosing between an electric and gas water heating system can significantly impact your home's energy efficiency, utility costs, and long-term performance. While many homeowners initially consider electric tankless water heaters as a direct alternative to gas models, the reality is more complex. Understanding the true capabilities and limitations of each option is crucial for making the right investment for your home.
This guide will help you understand why electric tankless systems often fall short for whole-house applications and explore heat pump water heaters as the superior electric alternative. We'll compare these systems with gas tankless models to help you make an informed decision based on your specific needs and circumstances.

How Tankless Water Heaters Work
A Modern Hot Water Solution
Unlike traditional tank systems that store and heat large amounts of water, tankless water heaters heat water on demand. When you turn on a faucet, cold water flows through the unit, where it is heated by either electric coils or a gas burner. This "on-demand" technology eliminates standby losses, making these systems more energy-efficient than conventional storage tanks.
Basic Components
Both electric and gas tankless water heaters share key components:

Flow Sensors: Trigger the heating system when water flows

Heating Elements or Burners: Heat the water as it passes through

Heat Exchangers: Transfer heat efficiently to the water

Longevity
Tankless systems generally last longer than traditional tanks. While conventional water heaters may need replacement after 8–12 years, tankless models can provide hot water for 20 years or more if maintained properly.

The Reality of Electric Tankless Water Heaters
Limited Whole-House Performance
While "whole-house" electric tankless water heaters exist on the market, they rarely deliver the sustained high flow rates needed for true whole-home applications. Most electric models struggle to match the 9.0+ GPM performance of gas units like the Rinnai RX160IN, especially in regions with cold incoming water temperatures. Even with costly electrical upgrades, such as a 200-amp service panel and dedicated circuits, performance often falls short for medium or large households.
A Practical Option for Small Applications
However, if your needs are limited to a small space—like a pool house, guest cottage, or a one-bedroom, one-bathroom home in the South—certain electric tankless models can be a practical choice. For homeowners who are set on an electric tankless solution, one option worth considering is the Eemax HA027240 Electric Tankless Water Heater. This unit is well-suited to situations where hot water demand is modest, incoming water temperatures are milder, and the convenience of a compact, wall-mounted heater is needed.
Typical use cases include:

A pool house shower or bathroom
Small guest suites or in-law units
One-bathroom homes in warm southern climates
Point-of-use applications like a single bathroom or kitchen sink

While it isn't designed to provide whole-home capacity in colder climates or multi-bathroom houses, the Eemax HomeAdvantage II can deliver efficient, on-demand hot water for focused, lower-demand situations.

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Heat Pump Water Heaters: The Superior Electric Option
Why Heat Pumps Make More Sense
If you prefer electric water heating but need reliable whole-home hot water, a heat pump water heater offers the most practical solution. Instead of generating heat directly like standard electric elements, a heat pump moves heat from the surrounding air into the water—similar to a high-efficiency refrigerator in reverse.
Recommended Models
Two excellent options include:

Rinnai REHP Series 50-Gallon Hybrid Water Heater
State Water Heater Premier 50-Gallon Smart Hybrid Electric Heat Pump Water Heater

How Heat Pump Water Heaters Work
Heat Transfer Technology: A compressor and refrigerant system absorb ambient heat from the surrounding air and transfer it to the water in the tank. This process is 2–3 times more efficient than traditional electric resistance heating.
Hybrid Modes: Most units offer multiple operating modes:

Heat Pump Only (maximum efficiency)
Hybrid (balances efficiency with recovery speed)
High Demand (fastest recovery using backup elements)

Advantages of Heat Pump Water Heaters
Energy Efficiency: Heat pump technology delivers exceptional efficiency ratings, often 2–3 times more efficient than standard electric water heating. This translates to significant monthly utility bill savings.
Whole-Home Practicality: These systems provide steady hot water delivery without the electrical service complications common to "whole-house" electric tankless systems.
No Venting Required: Installation is simpler than gas tankless systems since no combustion venting is needed, avoiding safety concerns related to gas combustion.
Rebates and Incentives: Many utility companies and government programs offer rebates for heat pump water heaters, improving payback periods and making them more affordable upfront.
Future-Ready Technology: Heat pumps align with home electrification goals and work well in homes without existing gas lines.
Considerations for Heat Pump Systems
Space and Airflow Requirements: Heat pump water heaters need adequate space and air circulation to operate efficiently. They work best in utility rooms, basements, or garages with sufficient air exchange.
Ambient Temperature Performance: These systems perform optimally in spaces that aren't extremely cold. Most models include backup electric elements for colder periods or high-demand situations.
Sound and Condensate: The compressor and fan produce some operational noise, and units generate a small amount of condensate that requires proper drainage.

Gas Tankless Water Heaters: When They Excel
Superior Performance Characteristics
Gas tankless water heaters continue to set the standard for whole-house hot water delivery:
High Flow Rates: Gas systems consistently deliver 9.0+ GPM, supporting multiple simultaneous fixtures without temperature drops.
Quick Response: Gas burners heat water rapidly, providing instant hot water with minimal delay.
Cold Climate Performance: Gas units handle greater winter demands when incoming water temperatures drop significantly.
Unlimited Runtime: Unlike electric systems that may struggle with sustained high demand, gas units maintain performance during extended use periods.
Installation Advantages
Existing Infrastructure: Homes with natural gas or propane lines can often integrate gas tankless systems more easily than major electrical upgrades.
Faster Installation: While venting is required, the process is often less complex than electrical panel upgrades and rewiring.
When Gas Is the Right Choice
Gas tankless water heaters excel in these situations:

Large households with multiple bathrooms
Homes with heavy simultaneous hot water usage
Cold climates with low incoming water temperatures
Properties with existing gas infrastructure
Applications requiring maximum flow rates

Head-to-Head Comparison: Heat Pump vs Gas Tankless
Efficiency and Operating Costs
Heat Pump Water Heaters:

2–3 times more efficient than standard electric
Lower monthly operating costs in most regions
Eligible for rebates and tax incentives
Consistent efficiency year-round

Gas Tankless:

High efficiency ratings (up to 98% AFUE)
Operating costs vary with natural gas prices
No standby losses
Efficiency can decrease in extremely cold conditions

Performance and Reliability
Heat Pump Water Heaters:

Steady hot water delivery for typical household needs
Tank storage provides buffer during high demand
Slower recovery than gas systems
Backup elements ensure hot water during peak usage

Gas Tankless:

Superior flow rates for large households
Instantaneous heating with unlimited runtime
Better performance in cold climates
Handles multiple fixtures simultaneously

Installation and Maintenance
Heat Pump Water Heaters:

Simpler installation (no venting required)
Lower maintenance requirements
Needs adequate space and airflow
Occasional condensate drain cleaning

Gas Tankless:

Requires professional venting installation

Annual maintenance recommended (descaling, vent checks)

Compact footprint
Professional service for gas-related components

Making the Right Choice for Your Home
Choose a Heat Pump Water Heater If You:

Want the most energy-efficient electric option for whole-home hot water
Live in a home without gas service but need reliable performance
Plan to take advantage of rebates, tax credits, or utility incentives
Intend to stay in your home long-term and prioritize lower operating costs
Have adequate installation space with good airflow
Don't mind slower recovery times compared to gas systems

Choose a Gas Tankless System If You:

Have a large household with multiple bathrooms or heavy simultaneous usage
Live in a cold climate where incoming water temperatures are consistently low
Already have natural gas or propane lines installed
Need maximum flow rates and instantaneous heating
Can commit to regular annual maintenance requirements
Want the highest performance system available

Avoid Electric Tankless If You:

Need a true whole-house hot water solution
Want to avoid expensive electrical service upgrades
Live in a cold climate with high hot water demands
Have multiple family members with overlapping usage patterns

Hidden Costs and Planning Considerations
Heat Pump Systems
Installation Costs: While simpler than gas venting, proper placement and condensate drainage are essential.
Climate Factors: Performance can decrease in very cold environments, though backup elements compensate.
Space Planning: Requires more room than tankless systems but less than traditional tanks.
Gas Tankless Systems
Venting Requirements: Direct venting retrofits can add significant installation costs.
Annual Maintenance: Professional descaling and safety inspections are recommended.
Gas Line Sizing: Existing gas lines may need upgrading to handle the unit's BTU requirements.
Universal Considerations
Water Quality: Hard water affects both systems, potentially requiring water softening equipment.
Professional Installation: Both systems require skilled professionals familiar with local codes and manufacturer requirements.
Long-term Planning: Consider your family's changing hot water needs over the system's 15–20 year lifespan.

Conclusion: The Best Path Forward
The traditional comparison between electric and gas tankless water heaters misses a crucial point: electric tankless systems simply cannot deliver the whole-house performance that most homeowners expect. Instead of settling for the limitations of electric tankless technology, homeowners seeking an electric solution should seriously consider heat pump water heaters.
Heat pump systems offer the reliability and whole-house capacity that electric tankless units struggle to provide, while delivering superior efficiency and lower operating costs. For homes without gas service or those committed to electrification, a quality heat pump water heater like the Rinnai REHP Series or State Premier Smart Hybrid represents the best available technology.
Gas tankless systems remain the gold standard for maximum performance, especially in large households or cold climates. However, heat pump water heaters have closed the gap significantly, offering a compelling electric alternative that doesn't require compromising on reliability or whole-house capability.
The key is matching your choice to your specific situation: gas tankless for maximum performance and flow rates, or heat pump water heaters for efficient, reliable electric hot water that actually works for the whole house. Skip the electric tankless compromise entirely—your family's comfort and your wallet will thank you.

Question 12

7 Warning Signs Your Water Heater Is About to Fail & When to Repair

Accepted Answer

A failing water heater doesn’t always stop working overnight. More often, it gives you subtle (and not-so-subtle) warning signs first. From inconsistent water temperature to strange noises and rising energy bills, knowing what to watch for can help you avoid a full breakdown and an unexpected cold shower. 
In this guide, we’ll cover the key red flags that your water heater is on its way out, and help you decide when a repair makes sense or when it’s time to consider a replacement. Whether you’re troubleshooting for a customer or your own home, these tips can help you catch problems early and keep the hot water flowing.

7 Warning Signs Your Water Heater Is About to Fail & When to Repair

1. Inconsistent or Lukewarm Water

One of the earliest signs of trouble is fluctuating water temperature. If your hot water suddenly becomes inconsistent—sometimes hot, sometimes lukewarm—it may indicate a failing heating element, a broken thermostat, or sediment buildup inside the tank reducing heating efficiency. While minor issues can often be repaired, ignoring inconsistent heating can eventually lead to a total breakdown.
Actionable Tip: Test your water temperature regularly and listen for any changes. Run the cold water tap to compare temperatures and help determine if the issue is isolated to the hot water supply. If you notice persistent lukewarm water, schedule a professional inspection.
2. Strange Noises Coming from the Tank
Popping, rumbling, or banging noises are often caused by sediment buildup at the bottom of the tank. Over time, minerals in your water settle and harden, creating a layer that traps heat. This causes the tank to overheat and produce unusual sounds. Not only can this reduce heating efficiency, but excessive sediment can also damage the tank’s lining, increasing the risk of leaks.
Actionable Tip: Flushing your water heater once or twice a year helps remove sediment and can prevent damage. If noises persist after flushing, consider professional maintenance or replacement.
3. Rusty, Sediment, or Discolored Water
If you notice rusty, brownish, or yellow water coming from your hot taps, it could be a sign of corrosion inside your water heater tank. Rust indicates that the anode rod, a sacrificial part designed to attract corrosion, may have deteriorated. Brown or yellow water can also result from sediment, chemicals, or corrosion in pipes, all of which can affect overall water quality. If left unchecked, rust can lead to leaks and water contamination.
Actionable Tip: Check and replace the anode rod every few years. If discoloration continues, it might be time to replace the entire water heater. Contact your water utility or a professional for additional information about the source of discoloration and to test your tap water for potential chemicals.
4. Water Leaks or Moisture Around the Heater
Even small leaks or moisture around your water heater should not be ignored. Always check the ground around the heater for any signs of a leak, such as water pooling or dampness. Leaks can signal cracks in the tank or faulty valves and connections. Be sure to investigate the source of any leak thoroughly to determine the extent of the problem. Over time, leaks can cause water damage to your floors and walls, and they often precede complete system failure.
Actionable Tip: Regularly inspect the area around your heater for any signs of water pooling or moisture. If you find leaks, call a professional plumber immediately. Report significant leaks to your utility provider or local authorities if there is a risk of water damage or contamination.
5. Rising Energy Bills
A water heater struggling to maintain temperature due to sediment buildup, corroded parts, or failing components uses more energy, which translates to higher utility bills. Sudden, unexplained spikes in your energy costs could be a hidden sign that your water heater is working harder than it should.
Actionable Tip: If you notice rising bills, have your water heater inspected and serviced. Sometimes, a simple repair or flush can restore efficiency.
6. Frequent Repairs or Pilot Light Issues (Gas Heaters)
If your water heater needs constant repairs or your pilot light won’t stay lit, it’s a sign that the unit is deteriorating. When troubleshooting, try resetting the high-temperature cutoff switch and listen to hear a clicking sound, which indicates the switch has been properly reset. Frequent breakdowns cost time and money, and persistent pilot light problems may indicate faulty thermocouples or gas valves. Also, check if the high-temperature cutoff switch has tripped and needs to be reset.
Actionable Tip: Evaluate repair costs versus replacement expenses. When repairs become frequent, investing in a new unit often saves money in the long run. After resetting the switch or performing repairs, it may take up to an hour for the water heater to return to normal operation.
7. Age of Your Water Heater
Water heaters typically last 8 to 12 years. If your unit is nearing or beyond this range, the chances of failure increase significantly. Aging tanks are more prone to corrosion, leaks, and inefficiency.
Actionable Tip: If your water heater is older than 10 years and showing signs of trouble, start planning for replacement to avoid emergency failures.

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When to Repair vs. Replace Your Water Heater
Repair if:

The unit is less than 8 years old.

Issues are minor (e.g., faulty thermostat, heating element).

No signs of leaks or corrosion are present

Replace if:

The heater is over 10 years old.

Multiple warning signs appear simultaneously (e.g., leaks, noise, rust).

Repair costs exceed 50% of replacement costs.

Efficiency is significantly reduced, causing high energy bills.

Safety Precautions for Water Heater Repair
When it comes to repairing or replacing your water heater, safety should always be your top priority. Before starting any repair process, make sure to turn off both the power and water supply to the unit to prevent electrical shock or accidental leaks of hot water. Wearing protective gear, such as gloves and safety glasses, can help shield you from burns or other injuries.
Be mindful of potential hazards like scalding hot water, electrical components, and, in the case of gas heaters, possible gas leaks. If you’re unsure about any step in the process, it’s wise to contact a professional plumber. For example, a licensed expert can evaluate your water heater’s condition and help you determine whether a repair or a full replacement is the best option. Relying on professional expertise ensures the job is done safely and efficiently, protecting both your home and your peace of mind.

Maintenance and Prevention: Extending the Life of Your Water Heater
Regular maintenance is the key to maximizing the life and performance of your hot water tank. Simple tasks like checking the temperature and pressure relief valve, inspecting the unit for leaks or corrosion, and flushing the tank to remove sediment can make a significant difference. Sediment buildup not only reduces efficiency but can also shorten the lifespan of your water heater by causing overheating and internal damage.
Considering energy-efficient upgrades, such as switching to a tankless or solar water heater, can also help lower your energy bills and reduce your environmental impact. A thorough analysis of your household’s hot water usage and needs will help you determine the best maintenance schedule and whether an upgrade is right for you. By staying proactive with maintenance, you can enjoy reliable hot water, save money on repairs, and extend the life of your unit.

The Importance of Regular Inspection
Regular inspection of your water heater also plays an important role in identifying potential problems before they turn into costly repairs. By routinely checking your unit for signs of leaks, corrosion, or damage, and monitoring the temperature and pressure relief valve, you can identify issues early and maintain a consistent hot water supply.
Inspections also offer the opportunity to evaluate your system’s performance and consider improvements, such as installing a water filter to reduce sediment and organic material buildup. For example, a regular inspection might reveal that your water heater is nearing the end of its life, helping you determine whether a simple repair will fix the issue or if a replacement is the best solution. Staying vigilant with inspections ensures your water heater remains energy efficient and reliable, serving your household’s needs for years to come.

How Plumbing Deals Makes Water Heater Repairs and Replacements Easy
At Plumbing Deals, we understand how crucial a reliable water heater is to your home’s comfort and daily routine. We make it easy to find upgraded water heaters with transparent pricing and quality service. 
No matter your budget or timeline, our collection of water heaters ensures you get quality heaters that last, saving you time, money, and the hassle of unexpected cold showers.  Contact us today and get started on grinding the perfect water heater for you.

Water Heater Repair & Replacement FAQs
How do I know if I need water heater repair or replacement?
If your hot water runs out quickly, your tap water looks brown or yellow, or you hear strange noises coming from the tank, it’s a good idea to schedule a thorough analysis. A licensed plumber can determine whether repairing or replacing the unit is the best solution. Age, maintenance history, and cost of the repair all play an important role in that decision.
What causes my hot water to suddenly turn cold?
A sudden shift from hot water to cold water may indicate a failing heating element, sediment buildup inside the hot water tank, or issues with your pipes. If this happens regularly, it’s worth having a professional evaluate the system to improve performance and prevent further damage.
Can water quality issues affect my water heater?
Yes. Organic material, lead, or other chemicals present in your surface water or groundwater can shorten your water heater’s life. Installing a water filter can help remove specific contaminants and protect your unit. This also improves the water quality for drinking, so you don’t have to rely on bottled water.
Why is my water discolored?
If your tap water appears brown or yellow, it could be caused by rust inside the tank or sediment buildup. A plumber can investigate the source, identify whether the discoloration is from the heater or your pipes, and recommend the best solution.
How long does a water heater repair typically take?
Most common repairs, such as fixing leaks, replacing thermostats, or flushing sediment can be completed within a few hours. More complex repairs or a full replacement may take longer, depending on the location of your unit and parts availability.
Is it worth upgrading to an energy-efficient water heater?
Absolutely. Switching to an energy-efficient model can save you money over the life of the heater by lowering utility bills. You’ll also benefit from better performance and fewer repairs over time.
When should I contact a professional?
Contact a licensed plumber if you notice leaks, water discoloration, temperature swings, or rising energy bills. The sooner issues are identified and repaired, the less you’ll spend in the long run.

Final Thoughts
Recognizing these warning signs early can save you from inconvenient cold showers and costly emergency repairs. Regular maintenance, like flushing your tank annually and inspecting the anode rod, extends your water heater’s lifespan and maintains efficiency. When in doubt, consulting a licensed plumber is the best way to diagnose issues and determine whether repair or replacement is the smarter choice.
Keeping an eye out for these red flags will ensure your water heater stays reliable and your home stays warm and comfortable all year round.

Question 13

ActivFlo: The Revolutionary Water Conditioning Solution

Accepted Answer

Are you tired of dealing with stubborn limescale buildup on your fixtures? Frustrated with spots on your glassware that just won't come off no matter how much you scrub? What if we told you there's a game-changing solution that requires zero maintenance and comes with a 15-year warranty?
Meet ActivFlo, the innovative water conditioning system that's transforming how we think about water treatment. Unlike traditional water softeners that require salt and constant upkeep, ActivFlo uses advanced template-assisted crystallization technology to condition your water naturally, delivering impressive results without the hassle.
In this comprehensive guide, we'll explore what makes ActivFlo so special, dive into its key benefits, and examine three standout products that are revolutionizing water treatment for homes and businesses alike.
What Is ActivFlo and How Does It Work?
ActivFlo represents a breakthrough in water conditioning technology. Instead of removing minerals from your water like traditional softeners, ActivFlo transforms the structure of mineral crystals, preventing them from adhering to surfaces and causing that familiar limescale buildup.
The system works through a process called template-assisted crystallization (TAC). When hard water passes through ActivFlo's specialized media, calcium and magnesium ions are converted into microscopic crystals that remain suspended in the water. These transformed crystals can't stick to your pipes, appliances, or fixtures – they simply flow through your system and down the drain.
This innovative approach means you keep the beneficial minerals in your water while eliminating the problems they typically cause. No more white spots on dishes, no more clogged showerheads, and no more reduced efficiency in your water-using appliances.
The Game-Changing Benefits of ActivFlo
Say Goodbye to Limescale Forever
One of ActivFlo's most impressive features is its ability to dramatically reduce limescale buildup. Whether it's your coffee maker, dishwasher, or bathroom fixtures, you'll notice significantly less mineral deposits forming. This means your appliances run more efficiently and last longer, saving you money on repairs and replacements.
Zero Maintenance, Maximum Convenience
Here's where ActivFlo really shines – it requires absolutely no maintenance. No salt to add, no filters to change, no complicated cleaning routines. Once installed, the system works continuously for years without any intervention from you. Compare that to traditional water softeners that need regular salt refills and system cleanings.
Keep Your Water's Natural Minerals
Unlike salt-based softeners that strip away beneficial minerals, ActivFlo preserves the calcium and magnesium your body needs. You get all the advantages of conditioned water while maintaining the health benefits and taste of naturally mineralized water.
Unmatched Warranty Protection
ActivFlo backs their technology with an industry-leading 15-year warranty. This isn't just confidence in their product – it's peace of mind for you. With installation costs for water treatment systems being significant, having this level of protection ensures your investment is secure for years to come.
Transform Your Daily Experience
Users report noticeable improvements in their daily routines. Hair feels softer and more manageable after washing. Clothes come out of the laundry feeling fresher and lasting longer. Skin feels less dry and irritated. Even your morning coffee tastes better without the interference of hard water minerals.

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ActivFlo Solo Water Conditioner: Perfect for Targeted Applications
The ActivFlo Solo Water Conditioner is designed for point-of-use applications where you need focused water conditioning. This compact unit is perfect for specific appliances or areas where space is at a premium.
Technical Specifications

Flow Rate: Up to 7 GPM

Pressure Rating: 150 PSI maximum

Temperature Range: 35°F to 100°F (2°C to 38°C)

Connection: 3/4" NPT inlet/outlet

Dimensions: Compact design suitable for tight spaces

The Solo is particularly effective for protecting expensive appliances like tankless water heaters, coffee machines, and ice makers. Installation is straightforward, and the unit begins working immediately to prevent mineral buildup in your targeted application.
Ideal Applications

Single appliance protection
Small apartments or condos
RVs and mobile homes
Point-of-use installations

Commercial equipment protection

Whole House Water Conditioner: Complete Home Protection
For comprehensive water conditioning throughout your entire home, the ActivFlo Whole House Water Conditioner delivers unmatched performance. This system treats all the water entering your home, ensuring every tap, shower, and appliance benefits from conditioned water.
Technical Specifications

Flow Rate: Up to 20 GPM

Pressure Rating: 150 PSI maximum

Temperature Range: 35°F to 100°F (2°C to 38°C)

Connection: 1" NPT inlet/outlet

Media Capacity: High-volume TAC media for extended performance

The whole house system is engineered to handle the demands of larger homes and families. Whether you're running multiple showers simultaneously or have several water-using appliances operating at once, this system maintains consistent performance.
Key Benefits for Your Entire Home

Consistent water quality at every tap
Protection for all appliances and fixtures
Reduced cleaning time and effort
Extended appliance life
Improved water taste and feel

ZAF010: Commercial-Grade Performance

The ZAF010 represents ActivFlo's commitment to commercial and high-demand residential applications. This robust system is built to handle higher flow rates and more challenging water conditions while maintaining the same no-maintenance operation that makes ActivFlo unique.
Technical Specifications

Flow Rate: Up to 25 GPM

Pressure Rating: 200 PSI maximum

Temperature Range: 35°F to 140°F (2°C to 60°C)

Connection: 1" NPT inlet/outlet with optional larger connections

Construction: Heavy-duty materials for commercial environments

Commercial Applications

Restaurants and food service
Hotels and hospitality
Office buildings
Manufacturing facilities
Multi-unit residential buildings

The ZAF010's enhanced temperature rating makes it suitable for applications where higher water temperatures are common, while its increased pressure rating ensures reliable operation in commercial plumbing systems.
Installation and Performance Considerations
Installing an ActivFlo system is straightforward, but proper sizing is crucial for optimal performance. The flow rate specifications aren't just maximums – they represent the sweet spot where the TAC technology works most effectively.
Flow Rate Optimization
Each ActivFlo system is designed with specific flow rates that maximize contact time between the water and the conditioning media. This ensures complete crystal transformation and optimal limescale prevention.
Pressure Requirements
The pressure ratings ensure reliable operation under typical plumbing conditions. The systems are designed to maintain consistent performance even with pressure fluctuations common in municipal water supplies.
Temperature Considerations
The temperature ranges are carefully specified to maintain the effectiveness of the TAC media. Within these ranges, you'll see consistent performance regardless of seasonal temperature variations.
Cost-Effectiveness: More Than Just Purchase Price
When evaluating water conditioning options, it's essential to consider total cost of ownership. Traditional water softeners require ongoing expenses for salt, electricity, and maintenance. Over a 15-year period, these costs can exceed the initial system price.
ActivFlo eliminates these ongoing expenses entirely. No salt purchases, no increased water bills from regeneration cycles, no service calls for maintenance. The only cost after installation is the system itself, protected by that comprehensive 15-year warranty.
Appliance Protection Value
The money you save by protecting your appliances often pays for the system itself. Water heaters, dishwashers, washing machines, and other appliances last significantly longer and operate more efficiently with conditioned water. Reduced repair calls and delayed replacement costs add up quickly.
Environmental Benefits: A Cleaner Choice
ActivFlo's environmental advantages extend beyond just eliminating salt discharge. The system uses no electricity, produces no wastewater, and requires no chemical additives. This makes it an excellent choice for environmentally conscious homeowners and businesses.
The preserved mineral content means you're not contributing to the sodium levels in wastewater treatment plants – a growing concern in many municipalities. Some areas are actually restricting or banning traditional water softeners due to environmental concerns, making ActivFlo an increasingly attractive alternative.
Making the Right Choice for Your Needs
Choosing between the Solo, Whole House, or ZAF010 systems depends on your specific requirements:
Choose the Solo if:

You need targeted protection for specific appliances
You have space constraints
You're looking for an entry-level solution
You want to protect a single high-value appliance

Choose the Whole House System if:

You want comprehensive home protection
You have multiple bathrooms and appliances
You're dealing with hard water throughout your home
You want maximum convenience and performance

Choose the ZAF010 if:

You have commercial applications
You need higher temperature ratings
You're dealing with high-demand situations

You need maximum flow capacity

If you want one that you can directly add to a tankless unit to prevent scale buildup, here’s this point of use option the ActivFlo Lite ZAFL2234. We recommend using it with the Rinnai cx 199. 
The Future of Water Conditioning
ActivFlo represents the future of water treatment – effective, efficient, and environmentally responsible. As more people become aware of the limitations and drawbacks of traditional water softeners, template-assisted crystallization technology is gaining recognition as the superior solution.
The 15-year warranty demonstrates the manufacturer's confidence in their technology, while the no-maintenance design appeals to our increasingly busy lifestyles. When you combine these factors with the impressive performance results, ActivFlo emerges as the clear choice for modern water conditioning.
Whether you're a contractor looking for reliable solutions for your clients, a property manager seeking cost-effective water treatment, or a homeowner tired of dealing with hard water problems, ActivFlo offers a proven solution that delivers results without the hassles of traditional systems.
Ready to experience the difference that truly conditioned water can make? Consider which ActivFlo system best meets your needs, and take the first step toward eliminating limescale problems forever. Your appliances, your wallet, and your daily routine will thank you for making the switch to this revolutionary water conditioning technology.

Question 14

Navien vs. Rinnai: Which Tankless Water Heater is Best?

Accepted Answer

Shopping for a tankless water heater can feel overwhelming, especially when choosing between industry leaders like Navien and Rinnai. These two brands offer high-efficiency, on-demand hot water solutions with modern features, but when it comes down to performance, reliability, installation, and long-term value, one stands out as the clear winner.
In this article, we’ll walk you through how Rinnai compares to Navien, using a head-to-head look at two closely matched models: the Navien NPE-210A2 and the Rinnai RXP199iN.

Performance: Flow Rate and Heating Power That Meets Real-World Demand
When it comes to delivering hot water quickly and reliably, Rinnai consistently outperforms Navien across nearly every benchmark. With superior efficiency, Rinnai ensures a seamless hot water experience for homeowners alike.
Navien NPE-210A2 offers up to 10.1 GPM at a 35°F temperature rise with a max input of 180,000 BTU.
Rinnai RXP199iN, on the other hand, delivers 11.1 GPM at the same temperature rise with 199,000 BTU of heating power.
That additional performance margin means Rinnai can support larger homes and simultaneous water usage with ease. Whether you have a busy household with multiple showers running at the same time, a high-flow tub filling up, or appliances like dishwashers and washing machines operating simultaneously, Rinnai ensures a consistent, reliable flow of hot water. This makes it ideal for families or homes with greater water demands, providing comfort and convenience without compromise.
Furthermore, Rinnai’s flow rates scale better across temperature rises. At a 67°F rise (a common winter scenario), Rinnai still delivers 5.8 GPM, while Navien drops to 5.1 GPM. That difference matters in real-world usage—especially in colder climates.

Energy Efficiency: Better UEF, Smarter Savings
Both brands are ENERGY STAR® certified, but Rinnai holds a stronger efficiency rating.

Navien NPE-210A2: UEF of 0.95

Rinnai RXP199iN: UEF of 0.98

That higher UEF means greater energy savings over time, translating to lower utility bills and a more efficient home. Combine this with Rinnai’s Smart-Circ™ technology, an innovative feature that learns your household’s hot water usage patterns to deliver hot water when you need it most while minimizing energy waste. This smart system enhances convenience and reduces unnecessary energy consumption, making it an eco-friendly and cost-effective choice.

Features & Technology: Smart, User-Centered Design
Both models come equipped with recirculation capabilities and stainless steel heat exchangers, ensuring durability and efficient performance for long-term use. However, there are notable differences in their technology features. Rinnai stands out by including modern tech like built-in Wi-Fi as a standard feature, allowing users to easily control and monitor their water heater remotely through a smartphone app. In contrast, Navien often requires the purchase of additional modules or accessories to enable smart features, which could mean extra costs and setup time for users seeking similar functionality.
Here’s where Rinnai excels:

Wi-Fi connectivity is built in—no add-ons needed.

Smart-Circ™ Intelligent Recirculation means faster hot water delivery and reduced wait times.

Compact design and modular component layout make it easier to service and future-proof.

Navien may include a recirculation pump as well, but in practice, Rinnai’s system is more user-friendly, less error-prone, and built with real-world use in mind.

Installation: Streamlined and Lighter
Installation matters—both for upfront labor costs and long-term serviceability. Here’s how the two models stack up:

Navien NPE-210A2

Rinnai RXP199iN

Weight

77 lbs

58 lbs (25% lighter)

Depth

13.2"

11.4" (slimmer fit)

Install   Location

Indoor/Outdoor

Rinnai’s RXP199iN is both lighter and slimmer, making it far easier to handle during installation compared to traditional models. Its compact design is ideal for homes with tight mechanical closets, limited space, or mounting restrictions, offering greater flexibility for installers. Despite its smaller size, it delivers powerful performance, ensuring homeowners don’t have to compromise on efficiency or quality.
Additionally, Rinnai’s U.S.-based supply chain ensures faster availability of replacement parts and better installation support, reducing downtime in service scenarios.

Warranty & Support: Peace of Mind with Every Rinnai
One of the biggest advantages Rinnai offers is long-term peace of mind through its industry-leading warranty and extensive service network.

Rinnai offers a 15-year warranty on the heat exchanger, 5 years on parts, and 1 year on labor.

Support is based in the U.S., and authorized service providers are widely available across the country.

Navien also offers a 15-year heat exchanger warranty, but their parts distribution and technical support can be less accessible, sometimes leading to longer repair timelines or difficulty sourcing components.
When it comes to warranty backed by real, accessible support, Rinnai leads with confidence.

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Verdict: Why Rinnai Is the Best Choice
While Navien builds a solid product, Rinnai consistently outperforms in the areas that matter most to homeowners and installers:

Higher GPM and BTU for superior hot water delivery
Better efficiency (UEF 0.98 vs. 0.95) for lower energy bills
Smarter technology and built-in Wi-Fi
Lighter, more compact unit for easier installs
Stronger support and industry-best warranty

At PlumbingDeals.com, we proudly carry Rinnai because it’s the brand we trust in our own homes—and the one we confidently recommend to our customers.

Ready to Upgrade? Let’s Find Your Perfect Rinnai Match
Whether you’re replacing an old tankless water heater or building a new home, Rinnai produces future-ready solutions that offer high performance, low maintenance, and lasting comfort.
Have questions? Contact our expert team at PlumbingDeals.com today for personalized recommendations, quotes, or to place your order. We’ll help you get the perfect model—and the hot water reliability you deserve.

Question 15

Unlimited Hot Water with Tankless Water Heaters

Accepted Answer

Endless Hot Water and Energy Savings: Choosing the Perfect Tankless Water Heater
If you’re tired of the hot water running out just when you need it most, it’s time to consider a tankless water heater. Not only will you enjoy endless hot water, but you can also save money and help the environment at the same time. 
This guide breaks down everything you need to know about tankless water heaters—from how they work and how to choose the right size, to exploring top brands like Rinnai and Noritz. By the end, you’ll feel confident in your next water heater upgrade and ready to explore our collection.

What Is a Tankless Water Heater?
A tankless water heater, sometimes called an on-demand or instant water heater, heats water directly as it flows through the device. Unlike traditional heaters with bulky tanks, there’s no reservoir to keep warm 24/7. Instead, you get hot water whenever you turn on the tap. There are many benefits to installing a tankless water heater in your home. 
Whole-House Units are designed to handle multiple appliances at the same time, ensuring your entire home stays powered and running smoothly, even during high-demand periods. 
Key Benefits of Tankless Water Heaters
With a tankless system, you can enjoy endless hot water whenever you need it. Unlike traditional water heaters that store a limited amount of hot water, tankless systems heat water on demand. This means you can take back-to-back showers, run the dishwasher, and do laundry all without the frustration of waiting for the water to reheat. It's an efficient, convenient solution for busy households or anyone who values consistent hot water.
Since there’s no need to keep a large tank of water hot all day, tankless water heaters use less energy by heating water only when you need it. This on-demand system not only reduces energy consumption but also helps you save significantly on your utility bills over time, making it an efficient and cost-effective choice for your home.
A high-quality unit like a Rinnai tankless water heater is built to last, with a lifespan of up to 20 years, which is often double the lifespan of a standard tank heater. Unlike traditional heaters that store and continuously heat water, tankless systems heat water on demand, reducing wear and tear over time and offering a more energy-efficient solution for your home.
Without a bulky tank, you save precious space in your basement or utility room, giving you more room for storage or other equipment while keeping your space organized and clutter-free.
With a tankless water heater, there is no risk of rust or scale build-up that sometimes plagues old tank heaters, which store water over time. This means you can enjoy cleaner water delivered directly to your fixtures, free from contaminants that could affect the taste, quality, or safety of your water. Plus, tankless systems heat water on demand, ensuring a fresher supply every time you need it.
With the right size and type, tankless water heaters can fit just about any household, providing endless hot water on demand. They are compact, energy-efficient, and a great solution for homes looking to save space while enjoying reliable hot water whenever needed.

How Does a Tankless Water Heater Work?
When you turn on a hot water faucet, cold water flows into the tankless water heater, where it passes through a powerful heat exchanger. This advanced system quickly and efficiently heats the water to your desired temperature, providing hot water on demand. 
Unlike traditional water heaters, there’s no waiting for a tank to refill or reheat, and you’ll never run out of hot water. That means no interruptions, no cold showers, and a reliable, endless stream of hot water whenever you need it, whether for a quick hand wash or a long, relaxing shower.
Tankless water heaters are surprisingly straightforward when it comes to maintenance, making them a convenient option for homeowners. Regular upkeep is essential to ensure efficiency and extend the unit's lifespan. Tasks like learning how to flush a tankless water heater are not only simple but also critical for long-term performance, as flushing helps remove mineral buildup that can reduce efficiency over time. 
If you’re planning to handle the maintenance yourself, start by reviewing the owner’s manual for step-by-step instructions. It usually includes tips on what tools you’ll need and how often the process should be done based on your water quality. With proper care, your tankless unit can continue delivering hot water on demand for years to come.

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Choosing the Right Type of Tankless Water Heater
Not all tankless water heaters are created equal. You’ve got options, and your decision comes down to your home’s needs, your fuel source, and your lifestyle. 
The most important factor when choosing a new water heater is to consider what kind of fuel you already have in your home and then finding a compatible tankless. Fuel types include natural gas or liquid propane. There are some units from Rinnai that can do both fuel types without a conversion kit. 
Pro Tip: When in doubt, consult with a professional. They’ll help you match your home and lifestyle with the best tankless solution.
What Size Tankless Water Heater Do I Need?
This is the million-dollar question (or at least the one that keeps homeowners debating endlessly online). Getting the right size is crucial if you want non-stop hot water without over-buying.
Gallons per Minute (GPM) Sizing Formula
Calculate Your Peak Demand: Think about how many hot water fixtures you'd use at once, including showerheads, faucets, dishwashers, washer machines, and more. For example, if your shower uses 2 GPM, your dishwasher uses 1.5 GPM, and washing machine uses 2 GPM.
Add up all GPM rates you’ll need when everything’s running. In this example, you would need a tankless water heater with at least a 5.5 GPM capacity.
Factor in Desired Temperature Rise: How much hotter do you need the water compared to its incoming temperature? For example, if your peak demand is 5 GPM and you want a 60°F temperature increase, your unit must handle at least that output.
Pro Tip: Pick a model that matches your maximum usage or talk to your contractor for expert sizing.

How to Install a Tankless Water Heater
Professionals can usually swap your old tank for a tankless model in under a day. If you’re curious about how to install a tankless water heater, here’s the basic rundown:

Turn off water, gas (or electricity), and drain the old unit.
Mount the new unit on the wall. Wall units are usually much lighter and more compact.
Attach gas, water, and any necessary venting.
Test for leaks and calibrate temperature settings.
Flush and maintain the unit, as outlined in the manual.

Some handy homeowners tackle installation themselves, but keep in mind that improper setup could void your warranty or even violate local codes.
How to Flush a Tankless Water Heater and Why It Matters
Just like coffee pots and washing machines, tankless heaters need regular cleaning to prevent scale buildup. Flushing the unit removes mineral deposits, keeps things running smoothly, and extends the life of your system. 
Most experts suggest flushing your heater at least once a year. You can use a solution such as JC Whitlam Flow-Aide Descaler, which comes in a 32-ounce or a 1-gallon container, to easily remove mineral deposit. JC Whitlam also makes a Flow-Aide System Descaler Kit that has everything you need to clean your tankless water heater.  
Here’s a high-level look at the steps to flushing a tankless water heater:

Turn off power and water. 
Attach hoses to the service ports. 
Run vinegar (or descaling solution) through the unit. 
Rinse, reassemble, and enjoy trouble-free hot water.

Remember that each tankless model is different. Some tankless units need to be put into a specific setting for flushing while powered on with the gas off, and other models need to be off.

The Best Brands: Rinnai Tankless Water Heater and Noritz
Homeowners and contractors swear by brands such as Rinnai and Noritz due to their reputation, variety of units, customer service, and innovative features. Shopping from a trusted source means no worries about off-brand headaches down the line.
Both brands have stellar reputations for producing durable, highly efficient units that stand the test of time. They are known for their commitment to quality, reliability, and delivering top-notch performance, making them a trusted choice for consumers.
Whether you need a whole-house powerhouse to keep your entire home running or a compact electric unit for specific needs, these brands offer a wide range of units available, designed to suit various preferences, budgets, and power requirements. From high-capacity systems to portable options, there's something for everyone.
Both brands offer excellent customer service and comprehensive warranties, ensuring you have peace of mind with your purchase. From responsive support teams to warranties that cover key components, these brands are committed to keeping your water heating system running smoothly, so you’re never left in the cold.
Rinnai and Noritz units offer a range of innovative features designed to enhance both convenience and efficiency. These features include Wi-Fi compatibility, allowing you to control your water heater remotely through a smartphone app, and built-in recirculation pumps that provide hot water on demand, reducing wait times and water waste. 
Additionally, their latest models prioritize environmental sustainability with ultra-low NOx emissions, helping to reduce their impact on air quality while delivering top-notch performance.

Why Upgrade A Tankless Water Heater Now?
ENERGY STAR-certified tankless water heaters are not only more efficient but can also lead to hundreds of dollars in savings on utility bills for a typical family each year. Unlike traditional water heaters, these systems heat water on demand, reducing energy waste and providing a continuous supply of hot water when you need it.
Tankless water heaters are eco-friendly and designed to provide hot water on demand without the need for a storage tank. They have a lower energy consumption, as they only heat water when needed, resulting in a smaller carbon footprint and reduced energy bills. This efficient system not only saves energy but also helps preserve natural resources, making it a sustainable choice for environmentally conscious homeowners.
Tankless water heaters are modern, energy-efficient, and highly sought-after home features that can boost your property value. Unlike traditional water heaters, they provide hot water on demand, take up less space, and often reduce energy bills, making them an attractive upgrade for potential buyers. 
And if your old tank heater is over 10 years old, you’re likely due for an upgrade anyway.

Recommended Tankless Water Heaters
Rinnai RX Series RXP199IN 11.1 GPM 199,000 BTU Indoor Outdoor Condensing Tankless Water Heater with Integrated Pump

The Rinnai RX Series RXP199IN is a fantastic option for homeowners considering a tankless water heater. 
Rinnai is a well-established brand with over 100 years of experience in the water heater market. Known for its innovation and quality, Rinnai has earned a reputation as a leader in the industry. Homeowners appreciate the brand's commitment to energy efficiency and durability, making it a trusted choice for many. 
The RXP199IN offers a Uniform Energy Factor (UEF) of 0.98, which means it operates with exceptional efficiency. This high efficiency can lead to significant energy savings and lower utility bills over time. 
One of the standout features of this model is its built-in recirculation pump. This pump learns your household's hot water usage patterns, ensuring hot water is available when you need it, reducing both wait times and water waste. 
The RXP199IN can be installed both indoors and outdoors, thanks to its Versa-Vent accessory. This flexibility allows homeowners to choose the best installation location based on their specific needs and space constraints. 
Despite its powerful performance, the RXP199IN is compact, roughly the size of a small suitcase. This makes it easy to install in various spaces without taking up much room, ideal for homes with limited space. 
The unit is Wi-Fi capable, allowing you to monitor and control your water heater remotely via a smartphone app. This feature adds convenience and helps you manage your energy usage more effectively. 
Rinnai water heaters are known for their long lifespan, often lasting twice as long as traditional tank models. The RXP199IN comes with a robust warranty, providing homeowners with peace of mind and assurance of its durability. 
Rinnai RE Series RE199IN 9.8 GPM 199,000 BTU Indoor Natural Gas Non-Condensing Tankless Water Heater

The Rinnai RE Series RE199IN Tankless Water Heater is a superb second option for homeowners considering a tankless water heater. This model is available for homes with natural gas fuel or liquid propane fuel.
Just like the RXP199IN, the Rinnai RE199IN is compact, making it easy to install in various spaces. It is also Wi-Fi ready, allowing homeowners to monitor and control their water heater remotely via a smartphone app. Like most Rinnai models, the RE199IN is built to have a long lifespan and comes with a robust warranty.
The RE199IN boasts a UEF of 0.82 meaning it operates with high efficiency and is designed to maximize energy usage. This not only ensures reliable performance but can also result in noticeable energy savings over time, making it a cost-effective and eco-friendly choice for modern households. 
With a maximum flow rate of 9.8 GPM, the RE199IN is designed to deliver an impressive amount of hot water, making it ideal for households with high water demands. It can provide hot water to multiple fixtures at the same time, such as showers, faucets, and even appliances, ensuring you never run out of hot water, even during peak usage. This reliable performance makes it a perfect solution for busy families or larger homes.
The RE199IN features an optimized concentric vertical or horizontal venting system termination, providing exceptional flexibility for installation in a variety of spaces. This innovative design not only simplifies the installation process but also enhances airflow efficiency, ensuring reliable and efficient operation. Whether you’re working with tight spaces or unique layouts, the RE199IN adapts seamlessly to meet your needs.
Noritz EZTR75NG Natural Gas Residential 75 Gallon Tankless Water Heater

The Noritz EZTR75NG Natural Gas Residential 75 Gallon Tankless Water Heater is a top-tier option for homeowners looking for a tankless water heater that combines high capacity, efficiency, and reliability. Its advanced features and the strong reputation of the Noritz brand make it a standout choice in the market. 
Noritz is a highly respected brand in the water heater industry, known for its innovation and quality. With decades of experience, Noritz has built a reputation for producing reliable and efficient water heaters that cater to both residential and commercial needs. Homeowners appreciate the brand's commitment to sustainability and energy efficiency, making it a trusted choice.
The EZTR75NG is designed to replace traditional 75-gallon tank water heaters, providing a high flow rate and ensuring an endless supply of hot water. This makes it ideal for larger households or homes with high hot water demand.
This model operates with a high UEF, which translates to significant energy savings and lower utility bills over time. It heats water only when needed, reducing energy consumption.
Despite its high capacity, the EZTR75NG is compact and space-saving. This makes it easy to install in various locations, including tight spaces where traditional tank heaters might not fit.
The EZTR75NG features advanced technology that ensures efficient operation and reliable performance. It includes a single vent conversion kit and a flex vent conversion kit, simplifying installation and enhancing versatility.
Noritz water heaters are known for their long lifespan and robust construction. The EZTR75NG is built to withstand the demands of regular use, providing homeowners with peace of mind and assurance of its durability.
Equipped with multiple safety features, including flame sensors, overheat prevention, and freeze protection, the EZTR75NG ensures safe and reliable operation.

Valves and Accessories 
Rinnai 107000639 Dedicated Return with Isolation Valves and PRV

The Rinnai 107000639 Dedicated Return with Isolation Valves and PRV is a valuable accessory for homeowners looking to enhance their tankless water heater installation. Its comprehensive features and ease of use make it a standout choice for ensuring efficient and safe operation of your Rinnai tankless water heater.
This kit includes a hot water valve, cold water valve, and a return line, making it a complete solution for setting up a dedicated recirculation line. This simplifies the installation process and ensures all necessary components are included. 
The inclusion of hot and cold isolation valves allows for easy maintenance and servicing of the water heater. These valves enable you to isolate the water heater from the rest of the plumbing system without shutting off the entire water supply. 
The kit comes with a pressure relief valve, which is crucial for safety. The PRV helps to protect the water heater and plumbing system from excessive pressure, ensuring safe operation. 
Made from high-quality materials, this kit is designed to withstand the demands of regular use. The robust construction ensures long-lasting performance and reliability. 
This dedicated return kit is specifically designed for use with tankless units that have recirculation capability. It simplifies the setup of a dedicated recirculation line, which can help reduce water waste and improve hot water delivery times.

Upgrade to Endless Hot Water with Confidence 
Choosing a tankless water heater is about more than just convenience; it’s a smart investment in your home's comfort and efficiency. By understanding what a tankless water heater offers, learning how it works, and choosing the right size and trusted brand like Rinnai or Noritz, you set yourself up for years of stress-free hot showers and utility savings. 
Have questions about what size tankless water heater you need, or want advice about natural gas versus liquid propane? Our team is here to help. 
Explore our tankless water heater collection and make cold showers a thing of the past.

Question 16

Top Water Heaters of 2025: An Ultimate Buying Guide

Accepted Answer

Choosing a new water heater is a major decision for your home's comfort and your wallet. With so many types, brands, and features, the process can feel overwhelming. This guide simplifies your choice by highlighting 2025's top-performing models, selected for their reliability, efficiency, and innovative technology.
Whether you need a space-saving tankless unit, a high-capacity tank model, or an ultra-efficient electric heater, we will help you find the perfect fit to ensure consistent hot water and lower energy bills for years to come.

How to Choose the Best Water Heater for Your Home
Before diving into our top picks, let's cover the key factors to consider. Understanding these will help you narrow down the options and select a model that truly meets your household's demands.
Key Considerations:

Fuel Type: Do you have access to natural gas, or is your home all-electric? Your available utilities will be the first filter for your search. Gas heaters often have lower running costs, while electric models can be easier to install.

Tank vs. Tankless: Traditional tank heaters store a large volume of hot water, ready for use. Tankless models heat water on demand, offering endless hot water and higher energy efficiency.

Capacity & Flow Rate (GPM): For tank models, consider the First Hour Rating (FHR), which tells you how much hot water it can produce in an hour. For tankless models, look at the Gallons Per Minute (GPM) to ensure it can support simultaneous use of showers, faucets, and appliances.

Energy Efficiency (UEF): The Uniform Energy Factor (UEF) measures a water heater's overall efficiency. A higher UEF means lower energy consumption and reduced utility bills.

Installation Space: Measure the area where the unit will be installed. Tankless models are compact and can be mounted on a wall, while tank heaters require significant floor space.

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Top-Rated Water Heaters for 2025
Here are our expert recommendations, broken down by category, to help you find the best fit for your needs.
Rinnai V Series V53DEP: Best Outdoor Tankless Heater

The Rinnai V Series V53DEP 5.3 GPM 120,000 BTU Outdoor Liquid Propane Non-Condensing Tankless Water Heater is a premier choice for a dependable and efficient outdoor water heating solution. With over a century of experience, Rinnai is a leader in innovation and durability.

Best For: Homeowners wanting to save indoor space without sacrificing performance.

Fuel Type: Liquid Propane

Flow Rate: 5.3 GPM

Efficiency: 0.81 UEF

Key Features:

On-Demand Heating: Advanced tankless technology heats water only when you need it, eliminating the standby energy loss of traditional tanks.

Space-Saving Design: Its compact, durable body is built for outdoor installation, freeing up valuable closet or utility room space.

Smart Control: Wi-Fi capability allows you to monitor usage, adjust temperatures, and receive maintenance alerts from a smartphone app.

Low Emissions: Features ultra-low NOx emissions, making it an environmentally friendly choice that meets strict air quality standards.

Noritz EZ111DVLP: Best for High-Demand Households

The Noritz EZ111DVLP EZ Series Whole Home Liquid Propane Tankless Water Heater is a top-tier option delivering exceptional performance for large families or homes with high hot water needs. Noritz is respected for its innovative, high-quality products.

Best For: Large households that frequently run multiple hot water appliances at once.

Fuel Type: Liquid Propane

Flow Rate: 11.1 GPM

Efficiency: 0.96 UEF

Key Features:

Exceptional Flow: An industry-leading 11.1 GPM flow rate ensures you never have to choose between a hot shower and running the dishwasher.

Superior Efficiency: Condensing technology gives it a remarkable 0.96 UEF, translating into major energy savings.

Simplified Installation: Top-mounted water connections make it easier to install, especially when replacing an old tank-style heater.

Durable Build: Features two high-grade stainless steel heat exchangers for enhanced longevity and reliable, long-term performance.

Versatile Placement: Designed for both indoor and outdoor installation for maximum flexibility.

Remote Control: Wi-Fi capability allows for monitoring and control from anywhere.

Low NOx Emissions: Meets strict environmental standards.

HTP Everlast EVR052C2X-045N: Best Electric Tank Heater

The HTP EVR052C2X-045N Everlast Electric Water Heater is an outstanding electric tank model featuring capacity, efficiency, and long-lasting construction. HTP is known for its innovative, durable products.

Best For: Homeowners seeking a low-maintenance, long-lasting electric tank solution.

Fuel Type: Electric

Capacity: 52 Gallons (62-gallon first-hour rating)

Efficiency: 0.93 UEF

Key Features:

Corrosion-Proof Tank: Constructed from 316L stainless steel, this tank resists corrosion and eliminates the need for an anode rod.

High Efficiency: Heavy-duty foam insulation and built-in heat traps minimize standby heat loss, keeping your water hot and your energy bills low.

Long-Lasting Elements: Titanium heating elements resist scale buildup, ensuring superior heat transfer and a longer unit lifespan.

Certified Safe: Complies with the Safe Drinking Water Act and is certified lead-free.

Easy Installation: Top-mounted connections and lightweight construction simplify setup.

State GS6-100-XRRT Proline: Best High-Capacity Gas Heater

The State Water Heater GS6-100-XRRT Proline 98 Gallon, Residential Gas Water Heater delivers massive hot water capacity, ideal for very large homes or high-demand environments. State Water Heaters is a proven industry leader.

Best For: Very large homes, luxury bathrooms with multiple body sprayers, or properties with exceptionally high hot water demand.

Fuel Type: Natural Gas

Capacity: 98 Gallons (170-gallon first-hour rating)

Efficiency: 0.58 UEF

Key Features:

Unmatched Capacity: A powerful 75,100 BTU burner and 98-gallon tank provide an incredible 170-gallon first-hour rating.

Durable Tank Protection: Blue Diamond glass lining and a CoreGard stainless steel anode rod deliver protection against corrosion.

Self-Cleaning System: The DynaClean system reduces sediment buildup, helping maintain performance and extend service life.

Eco-Friendly Burner: A patented Green Choice burner limits NOx emissions by up to 33%, meeting low-emission standards.

Automatic Controls and Safety: Easy pilot lighting, safety shutoff, and commercial-grade brass drain valve for peace of mind.

6-Year Warranty: Limited warranty on tank and parts.

Eemax HomeAdvantage II HA027240: Best Compact Electric Tankless

The Eemax HA027240 HomeAdvantage II Residential Electric Tankless Water Heater delivers endless hot water and outstanding efficiency in a small-footprint, space-saving design. Eemax specializes in innovative, high-efficiency water heaters.

Best For: Energy-conscious homeowners with limited installation space.

Fuel Type: Electric

Efficiency: 0.99 UEF

Key Features:

Near-Perfect Efficiency: 0.99 UEF with self-modulating technology that adjusts energy use to your exact demand.

Endless Hot Water: Supplies hot water instantly, even through multiple or back-to-back showers.

Flexible Installation: Can be mounted under sinks, in closets, or on any convenient wall.

Precise Temperature Control: External digital display for setting water temperature between 80°F and 140°F.

Durable Build: Copper immersion heating elements with a brass top for longevity and easy replacement.

Tankless Design: Reduces risk of leaks and water damage; energy-efficient operation helps lower greenhouse gas emissions.

Making Your Final Decision
Investing in a new water heater is about balancing upfront cost with long-term savings and household comfort. The best water heaters of 2025 offer excellent options for any need, from the massive capacity of the State Proline gas heater to the unmatched efficiency of the Eemax electric tankless model.
By evaluating your home's specific requirements against the features in this guide, you can confidently choose a water heater that will provide reliable service, enhance your comfort, and reduce your energy consumption for years to come.

Question 17

Pros and Cons of Tankless Water Heaters

Accepted Answer

As homeowners and contractors seek more efficient and space-saving solutions for their hot water needs, tankless water heaters have become an increasingly popular option. These modern appliances promise endless hot water, energy savings, and a compact design, making them an attractive alternative to traditional tank water heaters. However, like any technology, tankless water heaters come with their own set of advantages and disadvantages.
This article will explore what tankless water heaters are, the different types available, how they work, and when they might be the best choice for your home. We'll also delve into the benefits and drawbacks to help you make an informed decision.

What is a Tankless Water Heater?
A tankless water heater, also known as an on-demand water heater, is a modern appliance designed to heat water only when you need it, offering both efficiency and convenience. Unlike traditional water heaters that store hot water in a tank and continuously work to maintain its temperature, tankless models heat water directly as it flows through the unit. This eliminates the need for a storage tank and ensures you have a virtually endless supply of hot water available almost instantly whenever you turn on the tap.
These systems are compact, taking up less space in your home, and are often more energy-efficient since they don’t waste energy keeping water heated when it’s not in use. Ideal for households of all sizes, tankless water heaters are becoming increasingly popular for their ability to save space, reduce utility bills, and provide reliable hot water on demand.

Types of Tankless Water Heaters
Whole House
Designed to supply hot water to an entire home, whole house units are incredibly powerful, ensuring consistent and reliable performance. They can handle multiple fixtures simultaneously, such as showers, sinks, and appliances, making them ideal for families or larger households with higher water demands.
Indirect
Indirect water heater systems work by utilizing the home's existing heating system, such as a boiler, to heat water. This process makes them an energy-efficient and cost-effective option, particularly in homes that already have a well-maintained boiler in place. They are designed to integrate seamlessly without requiring additional equipment, helping homeowners save on installation and energy costs.
Condensing
Condensing water heaters are designed to capture and reuse the heat from exhaust gases that would otherwise be wasted. By repurposing this heat, they increase energy efficiency, reduce overall energy consumption, and contribute to a more sustainable operation.
Electric
Electric water heaters use electricity to heat water, making them a popular choice for households without access to gas. They are typically easier to install, as they don’t require a gas line, and are more compact, fitting into smaller spaces. However, they may have higher operating costs compared to gas-powered models, especially in areas with high electricity rates.
Gas
Gas water heaters use natural gas or propane as a fuel source, making them a reliable and efficient option for heating water quickly. They are generally more powerful than electric models, providing a higher flow rate and consistent hot water supply, which is ideal for larger households. However, they require proper ventilation to safely expel combustion gases, making installation more complex and often more expensive.

How a Tankless Water Heater Works
When a hot water tap is turned on, cold water flows through a pipe into the tankless water heater unit. Unlike traditional water heaters with storage tanks, this system doesn’t rely on preheated water stored in a reservoir. 
Instead, a gas burner or an electric element heats the water instantly, providing hot water on demand as it passes through the unit. This means tankless water heaters can deliver a continuous and virtually endless supply of hot water, regardless of how much is being used. You won’t have to wait for a storage tank to refill and reheat, making tankless systems a convenient and energy-efficient solution for households of all sizes.

Water Heater Comparison: Tankless vs. Conventional
Space Constraints
Tankless units are compact and can be mounted on walls, saving valuable floor space in your home. Unlike traditional water heaters that require bulky tanks, these systems provide hot water on demand without taking up unnecessary room, making them ideal for smaller spaces or modern, minimalist designs.
High Hot Water Demand
For households with high hot water usage, tankless water heaters can be an excellent solution. Unlike traditional storage tank systems, these units heat water on demand, providing a continuous supply without running out, even during back-to-back showers or when multiple appliances are in use. This makes them ideal for large families or homes with heavy hot water needs.
Energy Efficiency Goals
Homeowners looking to reduce energy consumption and lower utility bills may find tankless water heaters appealing due to their efficiency and long-term cost savings. Unlike traditional water heaters that continuously heat a tank of water, tankless models heat water on demand, using less energy and providing an endless supply of hot water. This makes them an excellent choice for environmentally conscious individuals or those seeking to upgrade their home's energy efficiency.
Long-Term Investment
If you plan to stay in your home for many years, the long lifespan of tankless water heaters can be a significant advantage. Unlike traditional water heaters that typically last 10-15 years, tankless models can last up to 20 years or more with proper maintenance. This durability not only reduces the need for frequent replacements but can also save you money in the long run, making them a smart investment for homeowners planning to settle in for the long haul.

Pros of Having a Tankless Water Heater
Energy Efficiency
Tankless water heaters are more energy-efficient than traditional models because they only heat water when it’s needed, rather than maintaining a constant supply of hot water in a storage tank. This on-demand heating system reduces standby energy losses that occur when water is continually heated and reheated in a traditional tank, making tankless systems both cost-effective and environmentally friendly over time.
Endless Hot Water
With a tankless system, you won't run out of hot water, as it heats water on demand rather than storing it in a limited tank. This makes it an excellent choice for large families or homes with high hot water demand, ensuring there's always enough hot water for showers, washing dishes, and doing laundry, even during peak usage times.
Space-Saving Design
Their compact size makes them ideal for installation in smaller spaces, making it possible to utilize areas that might otherwise go unused. This frees up valuable room for other purposes, whether it’s additional storage, equipment, or simply creating a more open and functional environment.
Longer Lifespan
Tankless water heaters are known for their durability and efficiency, typically lasting longer than traditional tank models. With proper maintenance, these systems can remain operational for up to 20 years or more. Unlike tank models that store hot water and are prone to corrosion over time, tankless water heaters heat water on demand, reducing wear and tear on the system and extending their lifespan. This makes them a reliable and cost-effective option for many homeowners.
Lower Utility Bills
The increased efficiency of this system not only reduces energy consumption but also leads to significant savings on energy bills over time. By using advanced technology to optimize performance, it minimizes wasted energy and ensures you get the most value out of every dollar spent on utilities.
Cons of Having a Tankless Water Heater
Higher Initial Cost
The upfront cost of purchasing and installing a tankless water heater is generally higher than that of a traditional tank model, largely due to the advanced technology and the additional labor required for installation. While traditional water heaters are simpler to set up, tankless systems often need upgrades to your home's plumbing or electrical system, which can increase the initial investment.
Complex Installation
Tankless water heater installation can be more complicated and may require significant upgrades to your home's electrical or gas systems to ensure compatibility and safety. These upgrades might include rewiring, installing a new breaker, or updating gas lines, which can add both time and expense to the overall cost of the project.
Limited Flow Rate
In some cases, a single tankless water heater may struggle to supply enough hot water to multiple fixtures running at the same time, such as a shower, dishwasher, and washing machine. This limitation can occur because tankless units heat water on demand and may not have the capacity to meet high simultaneous usage. To address this issue, homeowners might need to install multiple units or consider a larger system to ensure a consistent supply of hot water throughout the household.
Maintenance Tips
Regular maintenance is essential to keep a tankless water heater running efficiently. This includes tasks like descaling to prevent mineral buildup, cleaning filters to ensure proper water flow, and inspecting the system for any wear and tear. While these upkeep measures help extend the lifespan and performance of the unit, they can also add to the long-term cost of ownership.
Temperature Fluctuations
Some users report experiencing noticeable temperature fluctuations in their water supply, particularly when multiple hot water taps are being used simultaneously. This can result in inconsistent water temperatures, which may be inconvenient during activities like showering or washing dishes.

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Recommended Tankless Water Heaters
Noritz EZ Series Pro EZ111DV

The EZ Series Pro EZ111DV is an excellent choice for homeowners and contractors looking for a reliable and efficient whole house tankless water heater.
With an impressive flow rate of 11.1 gallons per minute (GPM), this unit provides a steady and reliable supply of hot water to multiple fixtures at the same time. Whether it's running showers, faucets, or appliances simultaneously, it ensures everyone in the household has access to consistent hot water. This makes it an excellent choice for large households or those with high water demands, delivering both efficiency and comfort.
The EZ111DV boasts an impressive Uniform Energy Factor (UEF) of 0.98, making it one of the most energy-efficient water heaters available. This high UEF ensures maximum energy savings, helping you reduce your carbon footprint while enjoying significantly lower utility bills. Designed with efficiency and sustainability in mind, it’s an ideal choice for those looking to save money and support a greener future.
The dual stainless steel heat exchangers are designed to be highly resistant to both corrosion and scale buildup, making them ideal for long-term performance even in demanding conditions. This advanced construction not only enhances the unit's durability but also significantly extends its lifespan, reducing maintenance needs and ensuring reliable operation over time.
Condensing Technology enables this unit to capture and reuse heat from exhaust gases that would otherwise be wasted. By recycling this heat, the Noritz EZ111DV significantly boosts its efficiency, ensuring optimal performance while reducing overall energy consumption. This advanced feature not only helps lower utility bills but also makes the unit more environmentally friendly, contributing to a more sustainable way of heating water.
The EZ111DV features advanced Bluetooth connectivity, allowing users to streamline their experience with convenient startup procedures, remote control, and access to detailed diagnostics through a user-friendly smartphone app. This ensures greater flexibility, efficiency, and real-time monitoring to keep your system running smoothly.
The innovative top-mounted water connections design makes installation easier and more convenient by allowing you to connect directly to existing water lines. This feature eliminates the hassle of rerouting pipes or making extensive plumbing modifications, saving both time and money. It’s a practical solution that ensures a smoother setup process for homeowners and professionals alike.
The unit comes with a natural gas to propane conversion kit, offering versatility and convenience to suit your specific needs. This means you can easily switch between fuel sources, whether natural gas or propane, depending on what is readily available in your area or best fits your setup.
Eemax PA028240T2T ProAdvantage

The PA028240T2T ProAdvantage comes with a digital display and user-friendly controls, making it simple to adjust settings with precision and monitor performance at a glance. The clear interface ensures you can easily fine-tune the temperature to suit your needs, while the intuitive design makes operating the system hassle-free for users of all experience levels.
This unit is designed to be highly energy-efficient, ensuring optimal performance while saving energy. It heats water only when needed, eliminating unnecessary energy usage and significantly reducing standby energy losses. This makes it an excellent choice for those looking to lower energy bills and minimize their environmental impact without compromising on convenience.
Its compact size makes it perfect for installation close to the point of use, such as under sinks, in small utility spaces, or even in tight corners where larger systems wouldn’t fit. This space-saving design ensures you can maximize your available area while still enjoying efficient and convenient functionality.
With a power rating of 28.5 kW and a flow rate activation at 0.7 GPM, this efficient unit ensures a steady and reliable supply of hot water, making it ideal for a variety of applications, from residential use to small commercial settings. Whether you're running a shower, washing dishes, or handling other daily tasks, this system is designed to deliver consistent performance and meet your needs with ease.
The unit features a durable powder-coated aluminum cover that protects against wear and tear, along with replaceable cartridge elements made of high-quality Nichrome. This combination ensures long-lasting performance, excellent heat resistance, and reliable protection against corrosion, making it ideal for consistent use in various environments.
Equipped with advanced safety features, the PA028240T2T is designed to provide both safety and efficiency. It includes a flow switch that activates the heater only on demand, preventing unnecessary energy usage and ensuring reliable operation. This thoughtful design not only enhances safety but also extends the product's lifespan, making it a dependable choice for long-term use.
The bottom feed water connection and NPT plumbing configuration simplify the installation process, ensuring a hassle-free setup that saves time and effort. This design not only streamlines the installation but also makes it a highly convenient and practical choice for both homeowners tackling DIY projects and contractors handling professional installations.
Noritz EZTR75NG

The EZTR75NG boasts an impressive efficiency rating, making it an excellent choice for those looking to reduce energy consumption. With its advanced technology, this model ensures maximum energy savings, helping you lower your utility bills while also minimizing your environmental footprint.
Designed to replace a traditional 75-gallon tank water heater, this unit is built to handle even the highest hot water demands with ease. Its advanced technology ensures a consistent supply of hot water, making it an ideal solution for large households with multiple bathrooms or families that frequently use hot water for showers, laundry, and dishwashing.
The Noritz EZTR75NG features condensing technology, a cutting-edge innovation designed to maximize energy efficiency. This advanced technology works by capturing and reusing heat from exhaust gases, which would otherwise be wasted, to preheat incoming water. By utilizing this process, the system achieves higher efficiency, significantly reducing energy consumption and lowering utility costs over time. It's an ideal choice for those looking to combine performance with eco-friendly operation.
The onboard dual stainless steel heat exchangers are designed to deliver exceptional performance and reliability. They are highly resistant to corrosion and scale buildup, ensuring optimal efficiency even in demanding conditions. This advanced construction not only enhances the unit's durability and lifespan but also reduces the need for frequent maintenance, making it a cost-effective and long-lasting solution for your needs.
The EZTR75NG offers versatile venting solutions, providing flexibility for various installation needs. It supports dual 2- or 3-inch single-pipe configurations using PVC or CPVC, as well as 2-inch Flex venting options. These options not only simplify the installation process but also ensure compatibility with a wide range of setups, making it an ideal choice for both residential and commercial applications.
The tankless design not only saves valuable space but also offers greater flexibility for installation, making it an ideal choice for both compact indoor areas and outdoor setups. This innovative design ensures efficient use of space without compromising performance or convenience.
The unit comes with a single vent conversion kit, a flex vent conversion kit, an isolation valve kit, and a startup guide, providing everything you need for a smooth installation. With these components included, the installation process is straightforward, ensuring you have the tools and guidance necessary to get the unit up and running with ease. Whether you're a seasoned professional or tackling installation for the first time, this kit simplifies the process from start to finish.
By heating water only when needed, this Energy Star-qualifying tankless water heater not only reduces energy consumption but also lowers utility bills and minimizes greenhouse gas emissions. Its on-demand design ensures you have hot water whenever you need it, while contributing to a more sustainable and eco-friendly lifestyle.
Rinnai REHP Series

The REHP Series is an excellent choice for homeowners looking to combine performance with energy savings. With a Uniform Energy Factor (UEF) of 4.0, it is highly energy-efficient, meaning it uses significantly less energy compared to traditional water heaters. This efficiency can lead to noticeable reductions in utility bills over time, making it a cost-effective investment. 
This unit utilizes advanced heat pump technology, which works by extracting heat energy from the surrounding air and converting it into hot water through an efficient transfer process. This innovative approach ensures a reliable and consistent supply of hot water for your household needs, all while operating with remarkable energy efficiency. Additionally, it produces zero direct emissions, making it an environmentally friendly solution that helps reduce your carbon footprint without compromising on performance.
With an 80-gallon capacity, this water heater is designed to meet the hot water demands of larger households, making it ideal for families or homes with multiple occupants. It provides ample hot water for multiple fixtures to be used simultaneously, such as showers, sinks, and appliances, ensuring everyone in the household enjoys a consistent and reliable supply of hot water without interruptions.
The REHP80 operates quietly, making it perfect for maintaining a peaceful and comfortable home environment. Its advanced noise-reduction technology ensures minimal disruption, allowing you to go about your day without distractions.
The unit features a powder-coated aluminum cover, designed to withstand harsh weather conditions and resist corrosion, and a micro-channel heat exchanger condenser, which improves heat transfer and reduces energy consumption, enhancing its durability and efficiency.
The top-mounted water connections and zero-clearance installation design make the installation process incredibly straightforward and hassle-free. This thoughtful design allows the unit to fit seamlessly into tight spaces, eliminating the need for extra room around the sides. It's a convenient and efficient choice that benefits both homeowners tackling DIY projects and contractors seeking to save time on installations.
This water heater meets the stringent energy efficiency standards set by Title 24, ensuring compliance with local regulations and promoting environmentally responsible energy use. Designed to reduce energy consumption without sacrificing performance, it’s an ideal choice for those looking to lower utility bills and minimize their carbon footprint.
The REHP80 is designed with durability and customer satisfaction in mind, offering a comprehensive 10-year warranty on both the tank and parts. This ensures peace of mind, long-term reliability, and protection against any potential issues, so you can trust in its performance for years to come without worry.

Conclusion
Tankless water heaters offer numerous benefits, including energy efficiency, endless hot water, and a space-saving design. However, they also come with higher initial costs, potential installation challenges, and maintenance requirements. 
For homeowners and contractors, understanding these pros and cons is crucial in making an informed decision about whether a tankless water heater is the right choice for your needs. By weighing the benefits against the drawbacks, you can determine if this modern solution aligns with your home's hot water demands and long-term goals.

Question 18

Now Available: Rinnai Tankless Water Heaters

Accepted Answer

Plumbing Deals is thrilled to announce that we now carry Rinnai Tankless Water Heaters! If you're considering upgrading your hot water system, these heaters are an exceptional choice! They provide endless hot water on demand, ensuring that you'll never run out during showers or while filling your tub. Not only are they incredibly efficient, helping you save on energy bills, but they also have a compact design that saves valuable space in your home.

History of Rinnai

Founded in 1920 by Hidejiro Naito and Kanekichi Hayashi, Rinnai has spent more than a century building a reputation for innovation, reliability, and continuous improvement. The company began by manufacturing pressurized oil cooking stoves in Japan and quickly expanded into gas appliances, including ranges and space heaters, by the early 1930s. In 1964, Rinnai introduced its first water-heating solutions, marking the beginning of its long-standing leadership in efficient hot water technology.
Today, Rinnai is best known for its tankless water heaters, designed to deliver consistent hot water while improving energy efficiency and comfort for homes and businesses. With more than 30 million tankless water heaters installed worldwide, including over 2 million in North America, Rinnai continues to set the standard for performance, safety, and long-term reliability.
To support homeowners and professionals alike, Rinnai maintains a nationwide network of trained installers who assist with product selection, installation, and ongoing service—making it easier to choose and maintain the right system for your needs.

Rinnai's Promise to the World
Rinnai takes a long-term view, considering the future of humanity and the environment when developing products. They continuously tackle challenges to create innovative water and home heating gas appliances for residential and commercial use, producing some of the best tankless water heaters on the market. This reflects their motto, “Creating a healthier way of living.”
Rinnai is a leading brand of tankless water heaters in North America. Providing local service and quality products ensures a timely response and a reliable supply chain for installations, service, or parts. Rinnai tankless water heaters can last up to twice as long as traditional tanks. Their quality assurance is exceptional, with every heater tested before shipping. All Rinnai tankless water heaters come with a 1-year industry-leading labor coverage, with extensions available.

Rinnai Tankless Water Heaters

Rinnai water heaters deliver 5 gallons per minute with 40-degree groundwater, which is equal to running three showers simultaneously. Rinnai also offers tankless water heaters with built-in circulation pumps that deliver hot water to your fixtures quickly and efficiently. In many cases, you don’t need to upgrade your gas supply line when going tankless, making upgrading easy.
Rinnai’s super high-efficiency condensing tankless water heater models offer a sleek, modern design, maximum output, and an array of advanced features. These water heaters are ideal for meeting the substantial hot water demands of large homes, ensuring consistent and reliable hot water supply. With their energy-efficient technology, homeowners can enjoy reduced utility bills and environmentally friendly operations, making them a perfect choice for those looking to combine performance with sustainability.
For small- to medium-sized new homes or remodels, Rinnai’s high-efficiency non-condensing tankless water heater models are affordable, compact units you can count on. These units not only save space but also provide reliable performance, ensuring that your home has a consistent and efficient hot water supply without breaking the bank. The cost of installing a non-condensing tankless water heater is the same as or less than the cost of a tank.

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Rinnai Home Heating
Rinnai Condensing Boilers deliver more efficient home heating than traditional boilers, thanks to their advanced technology that maximizes energy utilization. In addition to superior heating performance, they also provide reliable domestic hot water, ensuring comfort and convenience for your household.
Rinnai Direct Vent Furnaces use advanced modulating technology to create energy-efficient warmth for the whole home. These innovative systems adjust their heat output to maintain a consistent temperature, ensuring optimal comfort and reduced energy consumption throughout the year.
Rinnai Vent-Free Convectors push heat to the farthest reaches of the room, ensuring even warmth across larger spaces. These advanced heaters are designed to maximize cost-savings by efficiently distributing heat, providing a comfortable environment without the high energy bills. Perfect for keeping every corner of your home cozy and warm.
The Rinnai Hydronic Air Handler System seamlessly integrates with select tankless water heaters or boilers, providing an energy-efficient solution for delivering warmth throughout your home. This advanced system ensures a consistent and comfortable temperature, while also helping to reduce energy consumption and lower utility bills. Easy to install and maintain, it offers a reliable and eco-friendly heating option for modern households.

Final Thoughts
Explore and shop the entire Rinnai collection now to elevate your home heating experience. Discover a range of innovative and energy-efficient solutions designed to provide optimal comfort and warmth for your living spaces. Upgrade your home with Rinnai’s advanced technology and enjoy a cozy atmosphere all year round.

Question 19

Why State Water Heaters Are Top-Tier Choices

Accepted Answer

Dependable hot water is not a luxury; it is a fundamental requirement for a comfortable and functional home. When it comes to selecting a reliable system, you need a brand that consistently delivers performance, longevity, and efficiency. State Water Heaters offer an impressive variety of models tailored to meet residential demands, backing up their reputation with proven, top-notch engineering.
Whether you need a gas tank heater, an electric model, or a modern tankless system, finding the right fit can transform your daily routine. This guide explores exactly what makes State Water Heaters a preferred choice for residential buildings. We will break down their industry-leading features, explain how they save you money on utility bills, and provide a clear, actionable troubleshooting guide to keep your system running smoothly.
The State Water Heater Legacy
State Water Heaters hold a prominent and respected position within the plumbing industry. Their strong reputation stems directly from a commitment to high-quality manufacturing and rigorous testing standards. Before any unit reaches the market, producers subject it to extensive evaluations. This guarantees that every single heater functions exactly as designed right out of the box.
Professionals and homeowners alike associate the brand with long-lasting quality. By focusing on vision, energy conservation, and heat efficiency from its very inception, the company has successfully built a loyal customer base. When you invest in a State Water Heater, you invest in a product designed to work seamlessly for years.
Maximizing Efficiency and Lowering Bills
Efficiency and reliability are the two main factors people research when purchasing a new water heater. No one wants to spend more money on utility bills than necessary. State Water Heaters address this concern directly with advanced, energy-saving designs.
An efficient heating mechanism ensures your system loses no heat when the burner deactivates. Many of these units feature automated vent dampers. These intelligent dampers turn down the flue pipe whenever the burner is not active, drastically reducing heat loss. By keeping the heat exactly where it belongs—inside the water tank—these heaters allow you to save noticeable amounts on your monthly energy bills.
Key Features of State Water Heaters
One of the main reasons builders and homeowners prefer State Water Heaters is their impressive array of protective and performance-enhancing features. Here are the standout technologies that elevate the brand above the competition:
Corrosion Protection with Glass Coating
Water and steel naturally create a corrosive environment. To combat this, the interior tanks feature a specialized glass coating. This protective layer acts as a robust barrier against rust. Furthermore, the glass coating creates a smooth surface that helps wash off mineral sediments, making routine flushing significantly easier. Heavy-duty stainless steel anode rods provide an additional layer of defense against internal tank rust.
Self-Cleaning Turbo Coil Dip Tubes
Sediment buildup is the enemy of any water heater. It reduces efficiency and forces the system to work harder. State Water Heaters feature a self-cleaning turbo coil dip tube. This component creates turbulence at the bottom of the tank, preventing sediment from settling. This self-cleaning action keeps the heater operating at peak efficiency and considerably extends its lifespan.
Eco-Friendly Green Choice Burners
Environmental responsibility matters more than ever. The recommended Green Choice burner helps these heaters comply with strict regional environmental standards. By significantly reducing nitrogen dioxide (NO2) emissions, this eco-friendly burner allows you to reduce your carbon footprint without sacrificing heating power.
Advanced Safety with FVIR Technology
Safety is paramount when dealing with gas appliances. State Water Heaters incorporate flammable vapor ignition resistance (FVIR) technology. This crucial safety feature prevents external flammable vapors from entering the combustion chamber and igniting, giving you complete peace of mind.
Heat Traps for Maximum Energy Conservation
Heat naturally wants to rise and escape through the plumbing connections. State units come equipped with specially designed heat traps. Utilizing a thick layer of high-density foam, these traps prevent thermal loss, keeping the hot water ready for use and conserving valuable energy.
Unmatched Durability for Your Home
Customers frequently recommend State Water Heaters because they simply last. The brand dedicates substantial time and resources to research and development. This dedication results in state-of-the-art appliances that endure the daily demands of a busy household.
These heaters often run for years before requiring any major maintenance. You can extend this operational lifespan even further with simple, routine cleaning. The low maintenance requirements make these units incredibly cost-effective over their total life cycle.
The Importance of Proper Sizing
To maximize durability, you must purchase a water heater appropriately sized for your household. A large family with multiple bathrooms needs a high-capacity heater. Forcing a small water heater to supply a large home will cause the unit to overwork, leading to premature wear and tear. Always consult with a professional to determine the exact gallon capacity and recovery rate your home requires.
Finding the Perfect Fit: Variety and Models
Every home has different structural requirements and hot water needs. State Water Heaters provides a vast selection of models to ensure you find the perfect match. Their catalog includes traditional gas and electric tank heaters, as well as highly efficient tankless options.
Homeowners can even request customized designs to fit specific spatial or plumbing constraints. Because the company heavily invests in corrosion-resistant technology and anti-sedimentation features across all their models, you can rest assured you are getting premium quality regardless of the specific unit you choose. Take the time to review the available products to find the exact specifications you need.
Step-by-Step Troubleshooting Guide
If you ever experience a drop in hot water production or notice a leak, you can perform basic troubleshooting before calling a certified technician. Often, the issue stems from a simple, easily replaceable part. Whenever you make a replacement, always use State-approved, compatible parts. You can locate specific part numbers in your owner's manual or on the manufacturer's official website.
Follow these steps to safely troubleshoot your system:
Power and Pilot Light Checks
First, determine your fuel source. If you own an electric water heater, check the home's main fuse box and the dedicated breaker switch to ensure the unit has power. Next, examine the thermostat settings and the heating elements.
If you own a gas water heater, check the pilot light. If the pilot light is out, follow the manual's instructions to relight it safely. If the pilot light is on but the heater still fails to function, the issue likely lies with a faulty thermocouple or a malfunctioning gas control valve.
Safety Note: Always disconnect power at the circuit breaker for electric models, or turn off the gas supply for gas models, before performing any hands-on inspections.
Addressing Delayed Hot Water
If you have to wait a long time for hot water to reach your faucet, the heater itself might not be the problem. Consider installing a recirculation pump. This pump fastens the movement of hot water through your pipes, preventing it from cooling down while sitting in the plumbing lines.
Inspecting for Leaks
Regularly observe the base of your water heater tank. Look for any pooling water or moisture. Check the surrounding plumbing connections to ensure they are tight and secure. If you discover a leak originating from a corroded tank, you will need to replace the entire water heater immediately.
How to Flush Your Water Heater Tank
If you notice less hot water than usual or detect a strange odor, accumulated sediment is likely the culprit. You need to flush the tank.

Turn off the cold water supply valve.
Connect a standard garden hose to the drain valve at the bottom of the heater.
Direct the other end of the hose to a safe floor drain or outside.
Open a hot water faucet somewhere in the house to help the tank drain faster.
Open the drain valve and let the water flow out.
Once empty, briefly turn the cold water supply back on to flush out any stubborn sediment.
Close the drain valve, remove the hose, and refill the tank.

Fixing Strange Water Odors
If you finish flushing the tank and the hot water still carries a noticeable, unpleasant scent, you likely have a reaction occurring with the anode rod. The standard magnesium rod can react with certain types of water to produce a sulfur-like smell. Replace the magnesium rod with an aluminum anode rod. Alternatively, carefully introduce approved chlorine treatments into the tank to neutralize the odor-causing bacteria.

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Upgrade Your Plumbing Today
State Water Heaters deliver the perfect combination of cutting-edge features, reliable performance, and impressive energy savings. By choosing a model correctly sized for your home and performing basic, routine maintenance, you guarantee your household a steady supply of hot water for years to come.
If your current system is failing, or if you simply want to upgrade to a more efficient model, review the full lineup of State Water Heaters. Evaluate your household's daily hot water demands and secure a system built to exceed your expectations.

Question 20

10 Tankless Water Heaters for Endless Hot Water

Accepted Answer

In the world of residential water heating, traditional tank water heaters have long been the norm. However, the evolution of tankless water heaters has brought a revolutionary change, offering homeowners an energy-efficient and space-saving solution for their hot water needs. In this blog post, we'll explore the top 10 tankless water heaters designed to provide endless hot water. We'll also discuss the benefits of these innovative models to help you make an informed choice for your home.

What is a Water Heater?
A residential water heater tank, also known as a storage tank water heater, is a standard fixture in many homes. These tanks store and heat a specific quantity of water, maintaining it at a set temperature so that it's readily available when you turn on your faucet or shower. Traditional water heaters come with tanks of various sizes, typically ranging from 20 to 80 gallons.

Pros of Residential Tankless Water Heaters

Energy Efficiency: Tankless water heaters are highly energy-efficient compared to traditional tank water heaters. They heat water only when you need it, eliminating standby heat loss and potentially reducing energy bills.

Endless Hot Water: Tankless systems provide hot water on demand, meaning you won't run out of hot water, even during long showers or multiple simultaneous hot water demands.

Compact Design: Tankless units are smaller and more compact than traditional tank water heaters, saving valuable space in your home.

Long Lifespan: Tankless water heaters typically have a longer lifespan compared to tank systems, often lasting 20 years or more with proper maintenance.

Reduced Environmental Impact: Tankless systems consume less energy and produce fewer greenhouse gas emissions, contributing to a more eco-friendly home.

Precise Temperature Control: Tankless water heaters offer precise temperature control, allowing you to set the desired hot water temperature to prevent scalding.

Cons of Residential Tankless Water Heaters

Higher Initial Cost: Tankless water heaters often have a higher upfront cost compared to traditional tank systems. This cost may include the unit itself, professional installation, and potential upgrades to your home's electrical or gas supply.

Installation Challenges: Installing tankless water heaters can be more complex and may require professional expertise. Depending on your home's layout and existing infrastructure, it could be costly to retrofit a tankless system.

Limited Flow Rate: Some tankless units may struggle to provide hot water at a sufficient flow rate, especially if multiple hot water fixtures are running simultaneously. Ensuring you choose the right unit for your home's needs is crucial.

Cold Water Sandwich: Tankless water heaters may experience a phenomenon known as the "cold water sandwich," where a burst of cold water follows hot water usage before hot water resumes. This can be mitigated by advanced models with recirculation systems.

Maintenance Requirements: While tankless water heaters generally require less maintenance than tank systems, they may still need periodic descaling to prevent mineral buildup in the heat exchanger.

Upfront Electrical/Gas Requirements: Depending on your home's current electrical or gas supply capacity, you may need to upgrade these systems to accommodate a tankless water heater. This can add to the initial cost.

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Top 10 Tankless Water Heaters for Endless Hot Water
Let's explore the top 10 tankless water heaters designed to address these issues and offer a consistent supply of hot water while being energy-efficient:
Noritz NC380SV 13.2 GPM 380,000 BTU Tankless Water Heater

Pros: Exceptional flow rate, energy-efficient, suitable for commercial and residential use, available for natural gas.

Cons: Higher initial investment, professional installation recommended.

Noritz EZTR75 Residential 75 Gallon Tankless Water Heater

Pros: High capacity, compact design, energy-efficient, available for liquid propane and natural gas.

Cons: May require dedicated space, professional installation recommended.

Noritz NRCR111DV Recirculation Residential Condensing Tankless Water Heater

Pros: Advanced condensing technology, recirculation system, compact design, available for natural gas and liquid propane.

Cons: Higher initial cost, professional installation recommended.

Noritz EZTR50 Residential 50 Gallon Tankless Water Heater

Pros: Medium capacity, compact design, energy-efficient, available for liquid propane and natural gas.

Cons: May require dedicated space, professional installation recommended.

Noritz NRCR92DV 9.2 GPM 165,000 BTU Residential Tankless Water Heater with Built-In Pump

Pros: Efficient recirculation system, space-saving design, and energy efficiency, available for liquid propane and natural gas.

Cons: Higher initial investment, professional installation recommended.

Noritz NRC111-DV Condensing Tankless Water Heater

Pros: Condensing technology, high energy efficiency, compact design, available for liquid propane and natural gas.

Cons: Higher upfront cost, professional installation recommended.

Noritz NRC111OD 11.1GPM 199,900 BTU Residential Outdoor Tankless Water Heater

Pros: Outdoor installation, high flow rate, energy-efficient.

Cons: Weather-dependent, professional installation recommended.

TP EVR052C2X-045N Everlast Electric Water Heater - 52 Gallon

Pros: Large capacity, electric, energy-efficient, durable.

Cons: Requires adequate electrical capacity, professional installation recommended.

Noritz BNR98DVC 9.8 GPM 199,900 BTU Residential Tankless Water Heater with Horizontal Vent Kit and Isolation Valve

Pros: Horizontal venting, high flow rate, compact design, available for liquid propane and natural gas.

Cons: Higher initial cost, professional installation recommended.

Noritz NRC98OD 9.8GPM 180,000 BTU Residential Outdoor Direct Vent Tankless Water Heater

Pros: Outdoor installation, high flow rate, energy-efficient, available for natural gas.

Cons: Weather-dependent, professional installation recommended.

The Verdict
These top 10 tankless water heaters represent a wide range of options to meet your hot water needs. Whether you're looking for high flow rates, energy efficiency, compact designs, or outdoor installations, these models offer a solution for every home. By making the switch to a tankless water heater, you can enjoy the luxury of endless hot water while reducing energy consumption and utility bills.
Take advantage of the advanced features and benefits of these tankless water heaters and enhance your home's comfort and efficiency. Explore the models available at Plumbing Deals and make a choice that aligns with your specific needs. It's a win-win for your comfort and the environment, and the future of hot water awaits you!

Question 21

How To Maintain a Tankless Water Heater

Accepted Answer

Maintaining a tankless water heater is key to getting the most out of your investment: it ensures that you get hot water on demand, keeps your costs low, and help give you the full life expectancy out of the heater. But setting up a routine maintenance schedule for your tankless water heater can seem daunting.
In this blog post, we'll guide you through everything you need to know about how to clean and maintain your tankless water heater properly so that you can keep it running smoothly and enjoy its benefits for years!

How To Maintain a Tankless Water Heater
Descaling Your Tankless Water Heater

Descaling is an integral part of maintaining your water heater. First, turn off the power source and shut off the water supply. Then, check to see if your tankless water heater has isolation valves on the hot and cold water lines that you can use to hook up the two hoses. If not, I would highly recommend adding some, it will make this a lot faster in the future. If you do not have isolation valves you will need to disconnect the hot and cold water pipes from the unit.
Attach a hose to the cold water service valve, and place the other end into a large bucket. JC Whitlam Flow-Aide Descaler is a great and easy to use descaler that you can use, or mix a solution of white vinegar and water in a 1:1 ratio in the bucket. Open the cold and hot water service valves, and start pumping the solution into the cold water service valve, allowing it to circulate through the system for 45 minutes to an hour. 
A small utility pump is all that is needed for this. The Zoeller N44 44-0002 is a good option also the JC Whitlam Flow-Aide System Descaler Kit includes a 3.5 Gallon Bucket, 725 GPH Pump, 2 Rubber Hoses, 1 Quart FLOW-AIDE.
After the descaling process, flush the system with clean water to remove any vinegar residue. Finally, turn the water back on to the tankless water heater, restore the power and water supply, and your tankless water heater is descaled and ready for use. Turn on the hot water tap in your sink slowly to allow the air to pass through the pipe, keep running water until it runs steadily without air coming out of the faucet. This process should be performed annually for optimal functioning of your unit.
Cleaning the Filter
Tankless water heaters generally have two types of filters that need regular cleaning: the inlet screen filter and the air filter.

Inlet Screen Filter: The inlet screen filter prevents debris from the incoming water supply from entering the heater. To clean the inlet screen filter, shut off the power source and the water supply and open a hot water tap in your home to release pressure. Unscrew and remove the inlet screen filter, then gently wash it under running water, brushing off any debris. Once clean, replace the filter, and restore the water supply and power.

Air Filter: The air filter helps to keep dust and debris out of the combustion chamber. This filter can typically be found on the unit's front panel. To clean it, simply remove the filter, then use a vacuum or a soft brush to clean off the dust particles. After cleaning, replace the filter and ensure it's securely in place.

These filters should be cleaned every six months or so, but if your water supply is particularly hard or has significant sediment, you might need to do this more frequently. Regular cleaning of the filters can help to maintain the efficiency and lifespan of your tankless water heater.

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Final Thoughts
A well-maintained tankless water heater can provide you with efficient hot water access for years, while also keeping your energy costs low. Regular descaling, along with thorough and frequent cleaning of both the inlet screen and air filters, plays a key role in achieving this. Remember, the frequency of this maintenance may vary depending on the hardness and quality of your water supply.
By implementing these simple steps into a routine maintenance schedule, you can ensure the longevity of your tankless water heater and a seamless supply of hot water to your home. As always, if you have any questions feel free to contact us.

Question 22

How to Extend the Life of Your Water Heater

Accepted Answer

Your water heater works hard every day to keep hot water flowing for showers, laundry, dishes, and more. Because it’s one of the most used appliances in your home (and one of the more expensive to replace) taking a few simple steps to maintain it can help you avoid premature failure and costly replacements.

Why Water Heater Maintenance Matters
Over time, sediment and mineral buildup inside your water heater tank can reduce efficiency and strain internal components. This can not only increase your energy bills, but also shorten the life of your system. Regular care keeps your heater operating efficiently and helps you get years of reliable service.

How to Extend the Life of Your Hot Water Heater
Draining your hot water tank is a straight forward way to get rid of built-up sediment and debris that can damage your water heater. Sediment and debris can reduce your water heater’s efficiency or even build up to the point of complete failure of the water heater’s components or the tank itself. I have heard of people doing this twice a year, but I feel like doing it once a year is typically good for most people. Scale build-up can reduce the water heater's overall efficiency by 50%.

In addition to this, I recommend installing a ScaleRX valve that will eliminate up to 76% of scale deposits, reducing the amount of build-up that occurs and ensuring that you water heater will last longer. ScaleRX also works with tankless water heaters, where using this type of product is even more critical in ensuring that the water heater is able to function properly for 20 or more years. 
Finally, I like to check the pressure-relief valve by lifting the lever on the valve to ensure that water comes out of the discharge pipe. If it does not discharge water, this valve needs to be replaced. The pressure-relief valve serves an important safety function for your water heater by ensuring that if the pressure in your tank reaches dangerous levels, the tank can safely discharge water, relieving the pressure. This will prevent potential tragedies and should be done on a semi-regular basis.

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Final Thoughts
Simple, regular maintenance goes a long way toward extending the life of your water heater and improving its efficiency. By flushing sediment, checking key components like the anode rod and T&P valve, and keeping your system set to a reasonable temperature, you can reduce energy costs and delay costly repairs or replacements. With proper care, your water heater can serve your household longer and more reliably. If you have any questions, don't hesitate to contact us.

Question 23

Tips to Extend Water Heater Life

Accepted Answer

Familiarizing yourself with some helpful hot water heater maintenance tips will help you extend the life of your water heater, and save you some money down the road.
Taking a few minutes out of your day, once a year, to check up on your water heater can make a huge difference in your home. Not only does water heater maintenance help extend your water heaters’ life, but it also helps it run safer and much more efficiently.
If you notice that your water doesn’t get as hot as it used to, or that it takes longer than usual to heat up, then these issues might indicate a greater problem with your heater. However, instances like these can be avoided if you try applying these hot water heater maintenance tips to save time, money, and frustration.

Tips to Extend Water Heater Life
Water heater life expectancy, for both electric and gas models, is typically around a decade. However, you can extend that life expectancy with these tips. Remember that you are dealing with extremely hot water! It is advised to wear heat-resistant gloves and always proceed with caution.
Flush Your Water Heater Tank
Sediment buildup in your water tank can shorten the lifespan of your hot water heater and cause it to run less efficiently.

Turn your water heater off. If it is powered by electricity, you will have to flip a power switch. If it is powered by gas, extinguish the pilot light.
Turn off the cold water inlet
Attach a garden hose to the hot water valve and run the opposite end outside. The water that drains from the tank will be very hot
Open the pressure relief valve and then open the drain valve. Allow the tank to drain completely. This will take 20-30 minutes, depending on the size of your water tank
Open all faucets with the hot water handle and turn the cold water inlet to the tank back on
When the water stops flowing, close all of the faucets, disconnect the hose, close the pressure and drain valve, and turn the water heater back on.

Check the Pressure Valve
Gas and electric water heaters both have a temperature and pressure relief valve (T&P Valve). It is a safety device that will automatically open if there is ever too much pressure in the tank. If the valve is faulty, too much pressure could build up and the tank could explode.

Turn off the electricity or extinguish the pilot light. Shut off the cold water inlet.
Place a large bucket underneath the pressure relief valve to catch water and pull the trip lever.
You should hear air and/or see steam escape from the valve. If you do not, drain the tank and replace the valve.
To replace the pressure valve, first take the discharge pipe off and then remove the valve. Measure the stem length and purchase the same exact valve. It may help to bring the valve to the hardware store if you are unsure.
Use a wrench to screw the new valve into place and then reattach the discharge pipe.
Turn the water heater back on by reconnecting the electricity or reigniting the pilot light.

Adjust the Temperature
Your water heater does not need to run at a high temperature if no one is using it. You can save energy and increase your water heater’s lifespan by dialing down the temperature when you leave the house for more than 3-days at a time. In addition, if you realize that your hot water runs too hot, lowering the temperature can be safer, more comfortable, and conserve energy.

120 F is the ideal temperature for a water heater.

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Replacing Your Water Heater
Even with regular maintenance, every water heater has a lifespan, and eventually replacement becomes necessary. Upgrading to a new, efficient unit not only restores reliable hot water but can also improve energy efficiency and lower long-term utility costs.
If it’s time for a replacement, high-quality options like the Rinnai Water Heater or Noritz Tankless Water Heater are trusted choices. Both deliver consistent performance, advanced features, and long-lasting durability. At Plumbing Deals, we make it easy to find these top brands at competitive prices, so you can upgrade with confidence and enjoy worry-free hot water for years to come.

Final Thoughts
Proper maintenance is the key to keeping your water heater running efficiently, saving energy, and avoiding costly repairs. Simple steps like flushing the tank, checking the anode rod, and inspecting the pressure relief valve can extend the life of your unit and prevent unexpected issues. When it’s time for a replacement, choosing a reliable model like a Rinnai or Noritz tankless water heater ensures consistent performance and long-term savings. At Plumbing Deals, we provide the tools, parts, and trusted products you need to care for your water heater and keep your home running smoothly.

Question 24

Tank vs. Tankless Water Heaters

Accepted Answer

Do you know the difference between tank and tankless water heaters? Many people don’t, but these differences are important when you’re looking to make the best choice for your home’s plumbing system.
Both have benefits and drawbacks and either can be a good option depending on your specific needs. Figuring out your ideal choice comes down to the details—things like cost, energy efficiency, and functionality should be at the top of your considerations.
To help you decide, we’ve put together this quick guide on what you need to know to decide between a tankless and a tank water heater, particularly the benefits that both options have to offer.

Tankless Water Heaters
Tankless water heaters are one of the newest offerings that help increase the energy efficiency of your home. Unlike standard (tank) water heaters, tankless water heaters work by heating up water as it is needed, unlike a traditional water heater that keeps its tank full of hot water. Tankless water heaters save energy because they only heat the water that is needed at the time.
So, what are some of the specific pros and cons of going with an energy-efficient water heater like this? Here’s what you should know:
Tankless Water Heater Pros

Endless hot water: Tankless water heaters instantly produce hot water when you turn on the faucet or shower, helping to create a truly spa-like experience.

Energy efficiency: Just how efficient are tankless water heaters? Tankless water heaters operate 30% more efficiently than your standard, tank options, which translates directly into savings on your utility bill.

Durability: Hot water heaters, specifically our Noritz heaters, last longer than traditional water heaters, when maintained properly.

Convenience: Tankless water heaters take up less space in your home, and they are lighter, making the installation much easier.

Tankless Water Heater Cons

Higher purchase cost: You’ll face a higher up-front cost at initial purchase with tankless electric or gas water heaters.

Occasional inconveniences: When not paired with a recirculation pump, it takes longer to get hot water than with a traditional water heater.

Fortunately, the cons aren’t such a big issue when you purchase a tankless water heater from a reputable brand. We’re particularly fond of Noritz brand tankless water heaters, which are eco-friendly, economical, space-saving, and easy to install, all while using innovative technology to help ensure they work without issue. Noritz also stands by their products and offers industry-leading 25-year warranties on select models.

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Tank Water Heaters
Storage tank water heaters might not be as advanced as their tankless alternatives, but that doesn’t mean that they don’t have a number of benefits of their own. Before you decide that a tankless water heater is right for you, consider these pros and cons.
Tank Water Heater Pros

Lower initial costs: The upfront cost to purchase a storage tank water heater is considerably less than what you would spend to purchase a tankless water heater.

Less costly maintenance: If you have a problem with your tank water heater, you’ll be facing much cheaper repair costs due to the fact that the way they operate is a lot simpler, and thus easier to evaluate and fix.

Speed: Hot water is available almost immediately, which is ideal for quick showers or baths.

Tank Water Heater Cons

Higher utility bills: Upfront costs aren’t always the only concern when it comes to affordability. What you save in initial fees, you’ll likely end up spending anyway on higher utility bills.

More space requirements: As you might expect, a storage tank water heater is going to take up more space than a tankless one. If you don’t have much room to spare, this could be an issue.

Possibility of running out of hot water temporarily: Traditional water heaters have a storage capacity and a recharge capacity. Eventually, you hit a point at which you've passed the capacity of the tank, and the tank's ability to heat more water, and you will run out for a period of time.

Just as with tankless heaters, the most important consideration should always be the quality of the manufacturer. We like State water heaters (like this one), since they offer self-cleaning technology that helps reduce maintenance work and increase longevity and efficiency. State water heaters are also environmentally friendly and compliant with Energy Star standards, and they create ultra-low or low NOx emissions.

Final Thoughts
Choosing between a traditional tank water heaters and a tankless model comes down to your household’s hot water needs, energy goals, and budget. Tank heaters provide consistent supply and lower upfront costs, while tankless systems offer on-demand hot water and long-term energy savings. Understanding the pros and cons of each helps you make an informed decision that fits your lifestyle and home setup. At Plumbing Deals, we offer a wide selection of reliable water heaters, making it easy to find the right solution to keep your home running efficiently and comfortably.

Question 25

Discover Noritz Tankless Water Heaters

Accepted Answer

Tankless water heaters are a smart solution for homeowners who want reliable hot water without sacrificing space. By heating water on demand, these systems eliminate bulky tanks and are ideal for smaller homes, condos, and properties with limited utility space.
Noritz tankless water heaters deliver efficient, consistent hot water while maintaining a compact footprint. Known for their strong performance and dependable temperature control, Noritz units provide an energy-efficient alternative to traditional water heaters, making them a practical upgrade for modern households.

Who Is the Noritz Tankless Water Heater for?
The Noritz tankless water heater was designed to cater to individuals who want heated water without having to use the conventional models either because of the large size of these units or the expensive costs. Additionally, people who also need a cheap option prefer Noritz because it is easy to install. 
Commercial properties have also found the tankless water heater to serve them well. People who have small office spaces use it to provide enough water for their offices. Apart from offices, the water heater can be installed anywhere on a property because it is affordable and easily installed. This means that you can get hot water whenever you want without spending much.

Features of a Noritz Tankless Water Heater

Unlimited Hot Water Supply
With Noritz, you no longer have to worry about not having hot water at your disposal. 
When making your choice of product, endeavor to check that you're using the water heater that is made to suit the size of your home. Pay attention to the size per square footage. As long as you are using it in a small or medium property, you will not run out of hot water.
High Flow Rate
One other quality to be concerned about is the flow rate. Other small tankless water heaters have inferior flow rates in comparison with the larger units. But Noritz was designed to stand out with its high flow rate. This means that every day you get enough water pressure for your use.
Compact Design
The Noritz Tankless Water Heater is so compact with a size of 17 x 12 x 29 inches. This means it is suitable to stay in any room you choose to put it in. You don't have to bother about creating new spaces or rearranging your other appliances because it can fit just anywhere you want.
High-efficiency Design
When people buy new devices, they usually have the intention of saving up on energy consumption. But after receiving the bill, and energy costs did not drop, consumers are usually disappointed. This is because not all tankless heaters lower energy consumption, but the Noritz unit is made especially for that. This means you get to save costs in all aspects, including installation and energy costs.
Indoor/Outdoor Installation
Water heaters usually have specific installation sites, either outside or inside. But this product can be used both outdoors and indoors. This means that it can fit in wherever and however you want it to. You can also place it in the same location as your electricity and gas hookups.
Electronically Controlled
The Noritz tankless water heater works totally in electricity. You won't have to bother with the gas ignition. With the electronic control pad, you can adjust the water temperature manually to the level of your choice. Also, it is safe to keep in your home because you don't have to use gas. All you need to do is remember to keep it away from pets and children. Make sure the water heater is connected to a special 110-volt outlet for it to function perfectly.
High-temperature Range
Those who are new to the world of tankless water heaters usually doubt the quantity of hot water that they can get. This model works to provide water within the temperature range of 100 to 140 degrees Fahrenheit, and this means you can easily manage the heat level in your property.

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Operating the Noritz Tankless Water Heater
Do not start installing this water heater until you have read through the instructions. It is necessary to know if you are capable of handling the tools to set up the water heater. Despite having an easy installation procedure, you should use the help of a professional because it requires a special outlet.
Go through the warranty before you install it to see the company's policies. The terms of purchase may be canceled if it is not installed by a professional. This is necessary so that the professional can make sure all the parts are available and they can troubleshoot and help out with any installation problem.
When you're done following any recommendations, you can quickly learn how to use the tankless heater. The device comes with a digital remote control that you can use to moderate the temperature, monitor the indicator light, and check the water heater efficiency.

Final Thoughts
Noritz tankless water heaters offer a reliable and efficient entry point for homeowners looking to make the switch from traditional tank-style systems. With a compact design, consistent performance, and energy-saving operation, they’re well suited for smaller homes and modern households seeking a practical upgrade.
While installation should always be handled by a qualified professional to ensure proper gas, water, and electrical connections, the long-term benefits make the investment worthwhile. For homeowners ready to enjoy on-demand hot water without the space or energy demands of a tank, Noritz delivers performance, flexibility, and value in one streamlined solution.

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