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Whole House Tankless

Discover a range of tankless water heaters designed to meet your specific household needs, ensuring you have hot water whenever and wherever you need it.

Water Heater Combination Boilers

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41 of 86 products

Rinnai silver tankless water heater with digital display showing 120 degrees and horizontal slot vent at top.

Rinnai RE Series 9.8 GPM 199,000 BTU Outdoor Liquid Propane Non-Condensing Tankless Water Heater - RE199EP

SKU #: RINRE199EP   |   MPN #: RE199EP
$1,907.56
$1,907.56 $0.00
MSRP: $2,033

Special Order. Expect 4-6 weeks for Delivery. Subject to Change

White rectangular Rinnai tankless water heater with dark gray side panels, horizontal handle, and ventilation grilles at the

Rinnai RUS Series 7.5 GPM 160,000 BTU Outdoor Liquid Propane Condensing Tankless Water Heater - RUS75EP

SKU #: RINRUS75EP   |   MPN #: RUS75EP
$1,795.18
$1,795.18 $0.00
MSRP: $1,893

Special Order. Expect 4-6 weeks for Delivery. Subject to Change

Silver rectangular tankless water heater with digital display, slot vent, and brass connection ports at base.

Rinnai RE Series 8.5 GPM 180,000 BTU Outdoor Liquid Propane Non-Condensing Tankless Water Heater - RE180EP

SKU #: RINRE180EP   |   MPN #: RE180EP
$1,636.14
$1,636.14 $0.00
MSRP: $1,732

Special Order. Expect 4-6 weeks for Delivery. Subject to Change

Wall-mounted water heater in a room with a door and shelves.
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White and dark gray Rinnai tankless water heater with horizontal vent opening and mounting bracket on top.

Rinnai V Series 5.3 GPM 120,000 BTU Outdoor Natural Gas Non-Condensing Tankless Water Heater - V53DEN

SKU #: RINV53DEN   |   MPN #: V53DEN
$1,085.33
$1,085.33 $0.00
MSRP: $1,141

Special Order. Expect 4-6 weeks for Delivery. Subject to Change

Silver Rinnai tankless water heater with digital display showing 120 degrees and control buttons mounted on front panel.

Rinnai RE Series 8.5 GPM 180,000 BTU Indoor Liquid Propane Non-Condensing Tankless Water Heater - RE180IP

SKU #: RINRE180IP   |   MPN #: RE180IP
$1,636.64
$1,636.64 $0.00
MSRP: $1,732

Special Order. Expect 4-6 weeks for Delivery. Subject to Change

White rectangular tankless water heater with dark gray side trim, horizontal handle, and ventilation slots at bottom.

Rinnai RUS Series 6.5 GPM 130,000 BTU Outdoor Natural Gas Condensing Tankless Water Heater - RUS65EN

SKU #: RINRUS65EN   |   MPN #: RUS65EN
$1,567.04
$1,567.04 $0.00
MSRP: $1,640

Special Order. Expect 4-6 weeks for Delivery. Subject to Change

White and gray Rinnai tankless water heater with horizontal exhaust vent, control panel, and wall-mount bracket on top.

Rinnai V Series 5.3 GPM 120,000 BTU Outdoor Liquid Propane Non-Condensing Tankless Water Heater - V53DEP

SKU #: RINV53DEP   |   MPN #: V53DEP
$1,085.33
$1,085.33 $0.00
MSRP: $1,141

Special Order. Expect 4-6 weeks for Delivery. Subject to Change

Silver rectangular tankless water heater with digital display and connection ports at bottom.

Rinnai RE Series 9.8 GPM 199,000 BTU Outdoor Natural Gas Non-Condensing Tankless Water Heater - RE199EN

SKU #: RINRE199EN   |   MPN #: RE199EN
$1,907.56
$1,907.56 $0.00
MSRP: $2,033

Special Order. Expect 4-6 weeks for Delivery. Subject to Change

Silver Rinnai tankless water heater with digital display showing temperature, mounted connections at bottom, and control butt

Rinnai RE Series 6.6 GPM 160,000 BTU Indoor Liquid Propane Non-Condensing Tankless Water Heater with Integrated Pump - REP160IP

SKU #: RINREP160IP   |   MPN #: REP160IP
$1,533.33
$1,533.33 $0.00
MSRP: $1,613

Special Order. Expect 4-6 weeks for Delivery. Subject to Change

Silver Rinnai tankless water heater with digital display showing 120 degrees, control buttons, and brass fittings at base.

Rinnai RE Series 6.6 GPM 160,000 BTU Indoor Liquid Propane Non-Condensing Tankless Water Heater - RE160IP

SKU #: RINRE160IP   |   MPN #: RE160IP
$1,349.94
$1,349.94 $0.00
MSRP: $1,418

Special Order. Expect 4-6 weeks for Delivery. Subject to Change

Dark gray rectangular tankless water heater with Rinnai branding and digital control panel displaying 140 degrees.

Rinnai Sensei CX Series 9 GPM 160,000 BTU Indoor Outdoor Commercial Tankless Water Heater - CX160IN

SKU #: RINCX160IN   |   MPN #: CX160IN
$2,026.24
$2,026.24 $0.00
MSRP: $2,151

Special Order. Expect 4-6 weeks for Delivery. Subject to Change

Rinnai gray tankless water heater with digital display showing 140 degrees and top-mounted connection ports.

Rinnai Sensei CX Series 9 GPM 160,000 BTU Indoor Outdoor Commercial Tankless Water Heater with Integrated Pump - CXP160IN

SKU #: RINCXP160IN   |   MPN #: CXP160IN
$2,390.31
$2,390.31 $0.00
MSRP: $2,553

Special Order. Expect 4-6 weeks for Delivery. Subject to Change

Copper piping assembly with gray connectors, brass fittings, and yellow ball valves for heating system installation.

Rinnai I Series Primary-Secondary Heating Kit for i060S, i90S, i120S, and i150S Boilers - 807000213

SKU #: RIN807000213   |   MPN #: 807000213
$500.81
$500.81 $0.00
MSRP: $500.81

Available in stock

Rinnai stainless steel combination boiler with digital control panel and dual exhaust vents on top.

Rinnai I Series Plus C 9.8 GPM 120,000 BTU Central Heating and 199,000 BTU Hot Water Natural Gas or Liquid Propane Condensing Combination Boiler - IP120199C

SKU #: RINIP120199C   |   MPN #: IP120199C
$3,037.30
$3,037.30 $0.00
MSRP: $4,339.08

Available in stock

Silver rectangular Rinnai combination boiler with black control panel displaying temperature and buttons on front face.

Rinnai I Series Plus C 9.8 GPM 150,000 BTU Central Heating and 199,000 BTU Hot Water Natural Gas or Liquid Propane Condensing Combination Boiler - IP150199C

SKU #: RINIP150199C   |   MPN #: IP150199C
$3,390.80
$3,390.80 $0.00
MSRP: $4,843.98

Available in stock

Rinnai RX160IN tankless water heater with white rectangular body, dark control panel, and dual exhaust vents on top.

Rinnai RX Series 9.0 GPM 160,000 BTU Indoor Outdoor Condensing Tankless Water Heater - RX160IN

SKU #: RINRX160IN   |   MPN #: RX160IN
$1,635.35
$1,635.35 $0.00
MSRP: $2,061

Available in stock

White rectangular Rinnai tankless water heater with dark control panel and dual exhaust vents on top.

Rinnai RX Series 11.1 GPM 199,000 BTU Indoor Outdoor Condensing Tankless Water Heater - RX199IN

SKU #: RINRX199IN   |   MPN #: RX199IN
$1,914.25
$1,914.25 $0.00
MSRP: $2,433

Available in stock

White Rinnai condensing boiler with digital control display and rounded corners mounted on black background.

Rinnai I Series Plus C 9.8 GPM 199,000 BTU Central Heating and 199,000 BTU Hot Water Natural Gas or Liquid Propane Condensing Combination Boiler - IP199199C

SKU #: RINIP199199C   |   MPN #: IP199199C
$4,891.65
$4,891.65 $0.00
MSRP: $5,305.02

Special Order. Expect 4-6 weeks for Delivery. Subject to Change

Silver rectangular Rinnai combination boiler with black control panel display and dual vents on top.

Rinnai I Series Plus C 7.9 GPM 60,000 BTU Central Heating and 160,000 BTU Hot Water Natural Gas or Liquid Propane Condensing Combination Boiler - IP060160C

SKU #: RINIP060160C   |   MPN #: IP060160C
$3,342.68
$3,342.68 $0.00
MSRP: $3,603.66

Special Order. Expect 4-6 weeks for Delivery. Subject to Change

Enhance Your Home's Hot Water Experience

Whether you're upgrading your hot water system or replacing an old unit, Plumbing Deals offers a wide range of solutions tailored to meet your specific needs. Our carefully curated selection of products not only guarantees superior quality and efficiency but also ensures affordability, making sure that your home is equipped with the hot water you truly deserve.

Let's elevate your hot water experience to extraordinary heights! Delve into our extensive collection of whole house tankless water heaters, where you'll discover an array of fantastic deals waiting for you. With our top-notch products, rest assured that your water will stay hot, your comfort levels will soar, and your budget will remain intact. Take the first step by exploring our diverse categories now, and together, we'll transform every shower, bath, and household chore into a thoroughly satisfying and comfortable experience.
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