Gas Tankless Water Heaters
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EnergyStar Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 8.4 GPM at 40° F Rise, 6.7 GPM at 50° F Rise, 5.6 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 180k Effective BTU/h.
$1,549.88
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EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 5.8 GPM at 40° F Rise, 4.6 GPM at 50° F Rise, 3.8 GPM at 60° F Rise, 3.3 GPM at 70° F Rise. 122k Effective BTU/h.
$899.56
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EnergyStar Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 5.8 GPM at 40° F Rise, 4.6 GPM at 50° F Rise, 3.8 GPM at 60° F Rise, 3.3 GPM at 70° F Rise. 109k Effective BTU/h.
$1,052.69
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Wall Mounted, Non-Condensing Water Heater Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 4.9 GPM at 40° F Rise, 3.9 GPM at 50° F Rise, 3.3 GPM at 60° F Rise, 2.8 GPM at 70° F Rise. 120k Effective BTU/h.
$602.74
Was $669.71
SAVE $66.97
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Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). 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.
$1,253.23
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Rinnai Value Series - V53DEN - Residential 120,000 BTU - Natural Gas Tankless Water Heater - Outdoor
Wall Mounted, Non-Condensing Water Heater Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 4.9 GPM at 40° F Rise, 3.9 GPM at 50° F Rise, 3.3 GPM at 60° F Rise, 2.8 GPM at 70° F Rise. 120k Effective BTU/h.
$602.74
Was $669.71
SAVE $66.97
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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, 3.4 GPM at 70° F Rise. 130k Effective BTU/h.
$649.00
Only 2 In-Stock
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$323.85
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$804.00
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EnergyStar Commercial Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 8.4 GPM at 40° F Rise, 6.7 GPM at 50° F Rise, 5.6 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 199.9k Effective BTU/h.
$1,639.00
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EnergyStar Commercial Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 8.4 GPM at 40° F Rise, 6.7 GPM at 50° F Rise, 5.6 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 199.9k Effective BTU/h.
$1,639.00
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EnergyStar Commercial Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 13.2 GPM at 40& deg; F Rise, 11.6 GPM at 50° F Rise, 9.7 GPM at 60° F Rise, 8.3 GPM at 70° F Rise. 300k Effective BTU/h.
$4,887.00
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$205.22
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Rinnai RE Series - REP199 - Residential 199,000 BTU - Liquid Propane Tankless Water Heater - Outdoor
Wall Mounted, Non-Condensing Boiler Water Heater Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 7.9 GPM at 40° F Rise, 6.6 GPM at 50° F Rise, 5.5 GPM at 60° F Rise, 4.7 GPM at 70° F Rise. 199k Effective BTU/h
$1,439.75
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Wall Mounted, Non-Condensing Boiler Water Heater Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 7.9 GPM at 40° F Rise, 6.6 GPM at 50° F Rise, 5.5 GPM at 60° F Rise, 4.7 GPM at 70° F Rise. 199k Effective BTU/h
$1,439.75
Only 4 In-Stock
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Tankless Capacity 18,000 - 199,900 BTUH
$7,938.00
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$953.00
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$1,170.00
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Wall Mounted Non-Condensing Boiler Water Heater Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 7.5 GPM at 40° F Rise, 6.0 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 157k Effective BTU/h
$1,532.00
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Wall Mounted, Condensing Boiler Water Heater Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 7.8 GPM at 40° F Rise, 6.2 GPM at 50° F Rise, 5.2 GPM at 60° F Rise, 4.4 GPM at 70° F Rise. 160 k Effective BTU/h.
$1,521.80
In-Stock
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Wall Mounted, Non-Condensing Boiler Water Heater Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 6.6 GPM at 40° F Rise, 5.3 GPM at 50° F Rise, 4.4 GPM at 60° F Rise, 3.8 GPM at 70° F Rise. 160k Effective BTU/h
$814.59
Was $1,293.00
SAVE $478.41
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Wall Mounted, Non-Condensing Boiler Water Heater Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 7.4 GPM at 40° F Rise, 6.0 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 180k Effective BTU/h
$994.77
Was $1,579.00
SAVE $584.23
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Wall Mounted, Non-Condensing Boiler Water Heater Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 7.4 GPM at 40° F Rise, 6.0 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 180k Effective BTU/h
$994.77
Was $1,579.00
SAVE $584.23
In-Stock
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Displaying Products 49 - 72 (of 254)
Tools & Articles
Flow Rate at 40°F Rise
4 - 6 GPM
4 - 6 GPM Gas Tankless Water Heaters
6 - 7 GPM
6 - 7 GPM Gas Tankless Water Heaters
7 - 8 GPM
7 - 8 GPM Gas Tankless Water Heaters
8 - 9 GPM
8 - 9 GPM Gas Tankless Water Heaters
Greater Than 9 GPM
Greater Than 9 GPM Gas Tankless Water Heaters
Flow Rate at 50°F Rise
3 - 4 GPM
3 - 4 GPM Gas Tankless Water Heaters
4 - 5 GPM
4 - 5 GPM Gas Tankless Water Heaters
5 - 6 GPM
5 - 6 GPM Gas Tankless Water Heaters
6 - 7 GPM
6 - 7 GPM Gas Tankless Water Heaters
Greater Than 7 GPM
Greater Than 7 GPM Gas Tankless Water Heaters
Flow Rate at 60°F Rise
3 - 4 GPM
3 - 4 GPM Gas Tankless Water Heaters
4 - 5 GPM
4 - 5 GPM Gas Tankless Water Heaters
5 - 6 GPM
5 - 6 GPM Gas Tankless Water Heaters
6 - 7 GPM
6 - 7 GPM Gas Tankless Water Heaters
Greater Than 7 GPM
Greater Than 7 GPM Gas Tankless Water Heaters
Flow Rate at 70°F Rise
2 - 3 GPM
2 - 3 GPM Gas Tankless Water Heaters
3 - 4 GPM
3 - 4 GPM Gas Tankless Water Heaters
4 - 5 GPM
4 - 5 GPM Gas Tankless Water Heaters
5 - 6 GPM
5 - 6 GPM Gas Tankless Water Heaters
Greater Than 6 GPM
Greater Than 6 GPM Gas Tankless Water Heaters
Gas tankless water heaters can use either natural gas or liquid propane for their fuel source and be installed either indoors or outdoors. If you are looking for this type of versatility, shop our wide selection of gas tankless water heaters from the top brands and find the perfect match today.