Residential Tankless Hot Water Heaters

Learn More About A.O. Smith ATI-510U-Nacw-sale-badge
A.O. Smith ATI-510U - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Indoor
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EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 8.3 GPM at 40° F Rise, 6.9 GPM at 50° F Rise, 5.5 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 199k Max BTU/h.
Item#: 69986
Model#: ATI-510U-N
Brand: A.O. Smith
$1,059.00
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A.O. Smith ATI-510U - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Indoor
Learn More About A.O. Smith ATO-140H-Nacw-sale-badge
A.O. Smith ATO-140H - Residential 120,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 5.4 GPM at 40° F Rise, 4.4 GPM at 50° F Rise, 3.8 GPM at 60° F Rise, 3.2 GPM at 70° F Rise. 112k Effective BTU/h.
Item#: 69991
Model#: ATO-140H-N
Brand: A.O. Smith
$845.00
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A.O. Smith ATO-140H - Residential 120,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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A.O. Smith ATO-140H - Residential 120,000 BTU - Liquid Propane Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 5.4 GPM at 40° F Rise, 4.4 GPM at 50° F Rise, 3.8 GPM at 60° F Rise, 3.2 GPM at 70° F Rise. 112k Effective BTU/h.
Item#: 69992
Model#: ATO-140H-P
Brand: A.O. Smith
$845.00
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A.O. Smith ATO-140H - Residential 120,000 BTU - Liquid Propane Tankless Water Heater - Outdoor
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A.O. Smith ATO-240H - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 171k Effective BTU/h.
Item#: 69994
Model#: ATO-240H-P
Brand: A.O. Smith
Originally $1,324.36$1,022.00
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A.O. Smith ATO-240H - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Outdoor
Learn More About A.O. Smith ATO-310U-Nacw-sale-badge
A.O. Smith ATO-310U - Residential 190,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 7.9 GPM at 40° F Rise, 6.2 GPM at 50° F Rise, 5.3 GPM at 60° F Rise, 4.5 GPM at 70° F Rise. 190k Max BTU/h.
Item#: 69996
Model#: ATO-310U-N
Brand: A.O. Smith
$849.00
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A.O. Smith ATO-310U - Residential 190,000 BTU - Natural Gas Tankless Water Heater - Outdoor
Learn More About A.O. Smith ATO-340H-Nacw-sale-badge
A.O. Smith ATO-340H - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 8.0 GPM at 40° F Rise, 6.8 GPM at 50° F Rise, 5.7 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 171k Effective BTU/h.
Item#: 69998
Model#: ATO-340H-N
Brand: A.O. Smith
Originally $1,479.80$1,142.00
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A.O. Smith ATO-340H - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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A.O. Smith ATO-340H - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 8.0 GPM at 40° F Rise, 6.8 GPM at 50° F Rise, 5.7 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 171k Effective BTU/h.
Item#: 69999
Model#: ATO-340H-P
Brand: A.O. Smith
Originally $1,479.80$1,142.00
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A.O. Smith ATO-340H - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Outdoor
Learn More About Eemax HA024240acw-sale-badge
Eemax HomeAdvantage II™ 24 kW Electric - Tankless Point of Use Water Heater
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Ratings: 4.1 GPM at 40°F Rise, 3.3 GPM at 50°F Rise, 2.3 GPM at 70°F Rise
Item#: 70356
Model#: HA024240
Brand: Eemax
$549.00
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Eemax HomeAdvantage II™ 24 kW Electric - Tankless Point of Use Water Heater
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Eemax HomeAdvantage II™ 27 kW Electric - Tankless Point of Use Water Heater
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Item#: 70357
Model#: HA027240
Brand: Eemax
$645.90
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Eemax HomeAdvantage II™ 27 kW Electric - Tankless Point of Use Water Heater
Learn More About Takagi T-H3J-OS-Nacw-sale-badge
Takagi T-H3J - Commercial/Residential 160,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 152k Effective BTU/h.
Item#: 70553
Model#: T-H3J-OS-N
Brand: Takagi
$960.95
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Takagi T-H3J - Commercial/Residential 160,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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Takagi T-H3M - Residential 120,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 5.4 GPM at 40° F Rise, 4.4 GPM at 50° F Rise, 3.8 GPM at 60° F Rise, 3.2 GPM at 70° F Rise. 120k Effective BTU/h.
Item#: 70555
Model#: T-H3M-OS-N
Brand: Takagi
$810.95
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Takagi T-H3M - Residential 120,000 BTU - Natural Gas Tankless Water Heater - Outdoor
Learn More About Noritz BNR83-DVC-NGacw-sale-badge
Noritz BNR83C - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Concentric - Builder's Pack
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EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Concentric Vent. Ratings: 7.6 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 180k Effective BTU/h.
Item#: 70847
Model#: BNR83-DVC-NG
Brand: Noritz
$1,441.00
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Noritz BNR83C - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Concentric - Builder's Pack
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Noritz BNR83C - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Concentric - Builder's Pack
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EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Concentric Vent. Ratings: 7.6 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 180k Effective BTU/h.
Item#: 70848
Model#: BNR83-DVC-LP
Brand: Noritz
$1,441.00
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Noritz BNR83C - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Concentric - Builder's Pack
Learn More About Noritz GQ-2457WS-FFA US LPacw-sale-badge
Noritz NR83 - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Concentric Vent
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EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Concentric Vent. Ratings: 7.6 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 180k Effective BTU/h.
Item#: 73559
Model#: GQ-2457WS-FFA US LP
Brand: Noritz
$1,253.23
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Noritz NR83 - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Concentric Vent
Learn More About Bosch Thermotechnology T9800 SEO 199acw-sale-badge
Bosch T9800 SEO 199 - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Low NOx Emissions. Ratings: 10.0 GPM at 40
Item#: 73649
Model#: T9800 SEO 199
Brand: Bosch Thermotechnology
$1,775.00
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Bosch T9800 SEO 199 - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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Bosch T9800 SEO 160 - Residential 160,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Low NOx Emissions. Ratings: 8.0 GPM at 40
Item#: 73650
Model#: T9800 SEO 160
Brand: Bosch Thermotechnology
$1,556.00
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Bosch T9800 SEO 160 - Residential 160,000 BTU - Natural Gas Tankless Water Heater - Outdoor
Learn More About A.O. Smith ATI-540P-Nacw-sale-badge
A.O. Smith ATI-540P - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Indoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199k Max BTU/h.
Item#: 76482
Model#: ATI-540P-N
Brand: A.O. Smith
Sale: $1,301.00
On Sale Through 10/31
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A.O. Smith ATI-540P - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Indoor
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A.O. Smith ATI-540P - Residential 199,000 BTU - Liquid Propane Tankless Water Heater - Indoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199k Max BTU/h.
Item#: 76483
Model#: ATI-540P-P
Brand: A.O. Smith
Sale: $1,450.00
On Sale Through 10/31
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A.O. Smith ATI-540P - Residential 199,000 BTU - Liquid Propane Tankless Water Heater - Indoor
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A.O. Smith ATO-540P - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199k Effective BTU/h.
Item#: 76484
Model#: ATO-540P-N
Brand: A.O. Smith
$1,501.00
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A.O. Smith ATO-540P - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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A.O. Smith ATO-540P - Residential 199,000 BTU - Liquid Propane Tankless Water Heater - Outdoor
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EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199k Effective BTU/h.
Item#: 76485
Model#: ATO-540P-P
Brand: A.O. Smith
$1,501.00
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A.O. Smith ATO-540P - Residential 199,000 BTU - Liquid Propane Tankless Water Heater - Outdoor
Learn More About Rinnai RUCS75INacw-sale-badge
Rinnai Luxury Series RUCS75IN - Residential 160,000 BTU - Natural Gas Tankless Water Heater - Indoor
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Wall Mounted, Condensing Water Heater Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Concentric Vent. Ratings: 7.5 GPM at 40° F Rise, 5.9 GPM at 50° F Rise, 4.8 GPM at 60° F Rise, 4.2 GPM at 70° F Rise. 160k Effective BTU/h.
Item#: 77047
Model#: RUCS75IN
Brand: Rinnai
$1,135.90
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Rinnai Luxury Series RUCS75IN - Residential 160,000 BTU - Natural Gas Tankless Water Heater - Indoor
Learn More About Rinnai RUCS65INacw-sale-badge
Rinnai Luxury Series RUCS65IN - Residential 130,000 BTU - Natural Gas Tankless Water Heater - Indoor
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Wall Mounted, Condensing Water Heater Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Concentric Vent. Ratings: 6.0 GPM at 40° F Rise, 4.8 GPM at 50° F Rise, 4.0 GPM at 60° F Rise, 3.5 GPM at 70° F Rise. 130k Effective BTU/h.
Item#: 77048
Model#: RUCS65IN
Brand: Rinnai
$934.70
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Rinnai Luxury Series RUCS65IN - Residential 130,000 BTU - Natural Gas Tankless Water Heater - Indoor
Learn More About Takagi TK-540P-NIHacw-sale-badge
Takagi TK-540P-NIH - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Indoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199k Effective BTU/h.
Item#: 77759
Model#: TK-540P-NIH
Brand: Takagi
$1,415.95
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Takagi TK-540P-NIH - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Indoor
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Takagi TK-540P-PIH - Residential 199,000 BTU - Liquid Propane Tankless Water Heater - Indoor
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EnergyStar Condensing Water Heater. Ultra-Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199k Effective BTU/h.
Item#: 77760
Model#: TK-540P-PIH
Brand: Takagi
$1,415.95
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Takagi TK-540P-PIH - Residential 199,000 BTU - Liquid Propane Tankless Water Heater - Indoor