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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

White Rinnai tankless water heater unit 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 with Integrated Pump - RXP199IN

SKU #: RINRXP199IN   |   MPN #: RXP199IN
$2,370.00
$2,370.00 $0.00
MSRP: $2,954

Available in stock

Rinnai white tankless water heater with digital display showing 120 degrees, control buttons, exhaust vent on top, and brass

Rinnai RE Series 9.8 GPM 199,000 BTU Indoor Liquid Propane Non-Condensing Tankless Water Heater - RE199IP

SKU #: RINRE199IP   |   MPN #: RE199IP
$1,423.10
$1,423.10 $0.00
MSRP: $2,033

Available in stock

Rinnai Sensei CX Series gray tankless water heater with digital display and dual vent connections on top.

Rinnai Sensei CX Series 11 GPM 199,000 BTU Indoor Outdoor Commercial Tankless Water Heater with Integrated Pump - CXP199IN

SKU #: RINCXP199IN   |   MPN #: CXP199IN
$2,480.36
$2,480.36 $0.00
MSRP: $3,183

Available in stock

Wall-mounted water heater in a room with a door and shelves.
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Silver rectangular Rinnai condensing boiler with black control panel displaying temperature setting and two black vents on to

Rinnai I Series Plus C 9.8 GPM 90,000 BTU Central Heating and 199,000 BTU Hot Water Natural Gas or Liquid Propane Condensing Combination Boiler - IP090199C

SKU #: RINIP090199C   |   MPN #: IP090199C
$2,849.00
$2,849.00 $0.00
MSRP: $4,221.78

Available in stock

Gray rectangular Rinnai tankless water heater with digital display control panel and two vent pipes on top.

Rinnai Sensei CX Series 11 GPM 199,000 BTU Indoor Outdoor Commercial Tankless Water Heater - CX199IN

SKU #: RINCX199IN   |   MPN #: CX199IN
$1,947.25
$1,947.25 $0.00
MSRP: $2,504

Available in stock

Rinnai white rectangular tankless water heater with black digital control panel and dual exhaust vents on top.

Rinnai RX Series 10.0 GPM 180,000 BTU Indoor Outdoor Condensing Tankless Water Heater - RX180IN

SKU #: RINRX180IN   |   MPN #: RX180IN
$1,767.72
$1,767.72 $0.00
MSRP: $2,238

Available in stock

White Rinnai tankless water heater with dark inlet/outlet ports on top and digital control panel on front face.

Rinnai RX Series 7.1 GPM 130,000 BTU Indoor Outdoor Condensing Tankless Water Heater - RX130IN

SKU #: RINRX130IN   |   MPN #: RX130IN
$1,715.15
$1,715.15 $0.00
MSRP: $1,806

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

White rectangular tankless water heater with digital display showing 120 degrees, vent pipe on top, and control buttons.

Rinnai RE Series 9.8 GPM 199,000 BTU Indoor Natural Gas Non-Condensing Tankless Water Heater - RE199IN

SKU #: RINRE199IN   |   MPN #: RE199IN
$1,423.10
$1,423.10 $0.00
MSRP: $2,033

Available in stock

Rinnai white rectangular tankless water heater with dark control panel and two black vents on top.

Rinnai RX Series 9.0 GPM 160,000 BTU Indoor Outdoor Condensing Tankless Water Heater with Integrated Pump - RXP160IN

SKU #: RINRXP160IN   |   MPN #: RXP160IN
$1,897.67
$1,897.67 $0.00
MSRP: $2,408

Available in stock

Silver rectangular tankless water heater with digital display and mounting bracket, featuring outlet ports at base.

Rinnai RE Series 5.3 GPM 140,000 BTU Outdoor Natural Gas Non-Condensing Tankless Water Heater - RE140EN

SKU #: RINRE140EN   |   MPN #: RE140EN
$1,209.66
$1,209.66 $0.00
MSRP: $1,263

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

Silver Rinnai tankless water heater with digital display showing temperature, front-facing view.

Rinnai RE Series 5.3 GPM 140,000 BTU Outdoor Liquid Propane Non-Condensing Tankless Water Heater - RE140EP

SKU #: RINRE140EP   |   MPN #: RE140EP
$1,209.66
$1,209.66 $0.00
MSRP: $1,263

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

Rinnai silver tankless water heater with digital display showing 120 degrees and control buttons, metal vent outlet on top, b

Rinnai RE Series 5.3 GPM 140,000 BTU Indoor Natural Gas Non-Condensing Tankless Water Heater - RE140IN

SKU #: RINRE140IN   |   MPN #: RE140IN
$1,210.17
$1,210.17 $0.00
MSRP: $1,263

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

Rinnai RE Series white tankless water heater with digital display showing 120 degrees and control buttons.

Rinnai RE Series 5.3 GPM 140,000 BTU Indoor Liquid Propane Non-Condensing Tankless Water Heater - RE140IP

SKU #: RINRE140IP   |   MPN #: RE140IP
$1,210.17
$1,210.17 $0.00
MSRP: $1,263

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

Silver Rinnai tankless water heater with digital display showing temperature and ventilation slots at bottom.

Rinnai RE Series 6.6 GPM 160,000 BTU Outdoor Natural Gas Non-Condensing Tankless Water Heater - RE160EN

SKU #: RINRE160EN   |   MPN #: RE160EN
$1,349.43
$1,349.43 $0.00
MSRP: $1,418

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

Rinnai stainless steel tankless water heater with digital display showing 120 degrees and control buttons.

Rinnai RE Series 6.6 GPM 160,000 BTU Indoor Natural Gas Non-Condensing Tankless Water Heater - RE160IN

SKU #: RINRE160IN   |   MPN #: RE160IN
$1,349.94
$1,349.94 $0.00
MSRP: $1,418

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

Rinnai silver tankless water heater with digital display showing 120 degrees, control buttons, top vent pipe, and brass fitti

Rinnai RE Series 8.5 GPM 180,000 BTU Indoor Natural Gas Non-Condensing Tankless Water Heater - RE180IN

SKU #: RINRE180IN   |   MPN #: RE180IN
$1,636.64
$1,636.64 $0.00
MSRP: $1,732

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 6.6 GPM 160,000 BTU Outdoor Liquid Propane Non-Condensing Tankless Water Heater - RE160EP

SKU #: RINRE160EP   |   MPN #: RE160EP
$1,349.43
$1,349.43 $0.00
MSRP: $1,418

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

Silver Rinnai tankless water heater with digital display showing 120 degrees, mounted connections at bottom, and control pane

Rinnai RE Series 6.6 GPM 160,000 BTU Indoor Natural Gas Non-Condensing Tankless Water Heater with Integrated Pump - REP160IN

SKU #: RINREP160IN   |   MPN #: REP160IN
$1,533.33
$1,533.33 $0.00
MSRP: $1,613

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

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

Rinnai RE Series 8.5 GPM 180,000 BTU Outdoor Natural Gas Non-Condensing Tankless Water Heater - RE180EN

SKU #: RINRE180EN   |   MPN #: RE180EN
$1,636.14
$1,636.14 $0.00
MSRP: $1,732

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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