Natural Gas Tankless Water Heaters
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EnergyStar Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 9.3 GPM at 40° F Rise, 7.4 GPM at 50° F Rise, 6.2 GPM at 60° F Rise, 5.3 GPM at 70° F Rise. 184k Effective BTU/h.
$1,779.86
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EnergyStar Commercial Condensing Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 9.3 GPM at 40& deg; F Rise, 7.4 GPM at 50° F Rise, 6.2 GPM at 60° F Rise, 5.3 GPM at 70° F Rise. 199k Effective BTU/h.
$2,472.00
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$1,351.82
Was $1,370.00
SAVE $18.18
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Wall Mounted, Condensing Boiler Water Heater Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 9.8 GPM at 40° F Rise, 7.8 GPM at 50° F Rise, 6.4 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199 k Effective BTU/h.
$1,866.90
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Wall Mounted, Condensing Boiler Water Heater Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 9.8 GPM at 40° F Rise, 7.8 GPM at 50° F Rise, 6.4 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199 k Effective BTU/h.
$1,582.70
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2% Check Discount
Wall Mounted, Condensing Boiler Water Heater Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 9.8 GPM at 40° F Rise, 7.8 GPM at 50° F Rise, 6.4 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199 k Effective BTU/h.
$2,011.80
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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.
$1,185.95
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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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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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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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$1,291.05
Was $1,635.70
SAVE $344.65
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$675.50
Was $804.00
SAVE $128.50
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Tankless Capacity 18,000 - 199,900 BTUH
$7,938.00
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$899.00
Was $953.00
SAVE $54.00
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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
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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: 8.2 GPM at 40° F Rise, 6.6 GPM at 50° F Rise, 5.5 GPM at 60° F Rise, 4.6 GPM at 70° F Rise. 199k Effective BTU/h
$1,167.39
Was $1,853.00
SAVE $685.61
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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. 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.
$992.00
Was $1,142.00
SAVE $150.00
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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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Rinnai Luxury Series RUCS65IN - Residential 130,000 BTU - Natural Gas Tankless Water Heater - Indoor
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.
$599.00
Was $649.00
SAVE $50.00
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Wall Mounted, Condensing Boiler Water Heater Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 8.6 GPM at 40° F Rise, 6.9 GPM at 50° F Rise, 5.8 GPM at 60° F Rise, 4.9 GPM at 70° F Rise. 180k Effective BTU/h.
$1,273.23
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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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Displaying Products 25 - 48 (of 116)
Tools & Articles
Natural gas tankless water heaters are compact, can supply hot water as long as needed, and require less energy to run than other systems. Depending on the model, natural gas tankless water heaters are also available as indoor or outdoor units, offering the homeowner more flexibility.
Flow Rate at 40°F Rise
4 - 6 GPM
4 - 6 GPM Natural Gas Tankless Water Heaters
6 - 7 GPM
6 - 7 GPM Natural Gas Tankless Water Heaters
7 - 8 GPM
7 - 8 GPM Natural Gas Tankless Water Heaters
8 - 9 GPM
8 - 9 GPM Natural Gas Tankless Water Heaters
Greater Than 9 GPM
Greater Than 9 GPM Natural Gas Tankless Water Heaters
Flow Rate at 50°F Rise
3 - 4 GPM
3 - 4 GPM Natural Gas Tankless Water Heaters
4 - 5 GPM
4 - 5 GPM Natural Gas Tankless Water Heaters
5 - 6 GPM
5 - 6 GPM Natural Gas Tankless Water Heaters
6 - 7 GPM
6 - 7 GPM Natural Gas Tankless Water Heaters
Greater Than 7 GPM
Greater Than 7 GPM Natural Gas Tankless Water Heaters
Flow Rate at 60°F Rise
3 - 4 GPM
3 - 4 GPM Natural Gas Tankless Water Heaters
4 - 5 GPM
4 - 5 GPM Natural Gas Tankless Water Heaters
5 - 6 GPM
5 - 6 GPM Natural Gas Tankless Water Heaters
6 - 7 GPM
6 - 7 GPM Natural Gas Tankless Water Heaters
Greater Than 7 GPM
Greater Than 7 GPM Natural Gas Tankless Water Heaters
Flow Rate at 70°F Rise
2 - 3 GPM
2 - 3 GPM Natural Gas Tankless Water Heaters
3 - 4 GPM
3 - 4 GPM Natural Gas Tankless Water Heaters
4 - 5 GPM
4 - 5 GPM Natural Gas Tankless Water Heaters
5 - 6 GPM
5 - 6 GPM Natural Gas Tankless Water Heaters
Greater Than 6 GPM
Greater Than 6 GPM Natural Gas Tankless Water Heaters