Natural Gas Tankless Water Heaters

EnergyStar Condensing Water Heater. Low NOx Emissions. 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
$1,239.00
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EnergyStar Water Heater. Ultra Low NOx Emissions. 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
$1,788.20
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Factory-Direct
EnergyStar Water Heater. Ultra Low NOx Emissions. 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#: 73560
Model#: NR83DVC
Brand: Noritz
$1,647.90
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EnergyStar Condensing Water Heater. Low NOx Emissions. Ratings: 10.0 GPM at 40° F Rise.
Item#: 73649
Brand: Bosch Thermotechnology
$2,095.00
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Factory-Direct
EnergyStar Condensing Water Heater. Low NOx Emissions. Ratings: 8.0 GPM at 40° F Rise.
Item#: 73650
Brand: Bosch Thermotechnology
$1,844.00
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Factory-Direct
EnergyStar Condensing Water Heater. Ultra-Low NOx. 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
$1,686.00
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Factory-Direct
EnergyStar Condensing Water Heater. Low NOx Emissions. 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
$1,629.00
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Factory-Direct
EnergyStar Commercial Water Heater. Ultra Low NOx Emissions. 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.
Item#: 82303
Model#: NC199DVC-NG
Brand: Noritz
$1,979.90
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Factory-Direct
EnergyStar Commercial Condensing Water Heater. Ultra Low NOx Emissions. 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.
Item#: 82307
Model#: NCC300DV-NG
Brand: Noritz
$5,901.70
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EnergyStar Commercial Condensing Water Heater. Ultra Low NOx Emissions. 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.
Item#: 82309
Model#: NCC300OD-NG
Brand: Noritz
$5,901.70
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Factory-Direct
EnergyStar Water Heater. Ultra Low NOx Emissions. Concentric Vent. 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.
Item#: 82340
Model#: BNR98DVC-NG
Brand: Noritz
$2,040.30
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Factory-Direct
$2,594.00
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Factory-Direct
$2,227.00
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Factory-Direct
Wall Mounted, Condensing Water Heater Ultra Low NOx Emissions 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.
Item#: 92626
Model#: RUS65EN
Brand: Rinnai
$649.00
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Only 2 In-Stock
Wall Mounted, Non-Condensing Water Heater Low NOx Emissions. 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.
Item#: 95819
Model#: V53DEN
Brand: Rinnai
$741.65
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$1,476.51
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$955.01
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Only 4 In-Stock
Ultra Low NOx Emissions. Ratings: 8 GPM at 40° F Rise, 6.4 GPM at 50° F Rise, 5.3 GPM at 60° F Rise, 4.6 GPM at 70° F Rise.
Item#: 104797
Model#: NRCR92-DV-NG
Brand: Noritz
$2,159.20
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In-Stock
EnergyStar Condensing Water Heater. Ultra Low NOx Emissions Ratings: 9.0 GPM at 40° F Rise, 6.9 GPM at 50° F Rise, 5.8 GPM at 60° F Rise, 5.0 GPM at 70° F Rise.
Item#: 104968
Brand: Rheem Tankless
$5,073.46
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Factory-Direct
$1,635.70
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Factory-Direct
EnergyStar Condensing Water Heater. Ultra-Low NOx. Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.1 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 160k Max BTU/h.
Item#: 123206
Model#: ATI-240HX3-N
Brand: A.O. Smith
$1,334.25
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Factory-Direct
EnergyStar Condensing Water Heater. Ultra-Low NOx. Ratings: 8 GPM at 40° F Rise, 6.8 GPM at 50° F Rise, 5.8 GPM at 60° F Rise, 4.9 GPM at 70° F Rise. 180k Max BTU/h.
Item#: 123208
Model#: ATI-340HX3-N
Brand: A.O. Smith
$1,464.95
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Factory-Direct
EnergyStar Condensing Water Heater. Ultra-Low NOx. Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.2 GPM at 60° F Rise, 5.2 GPM at 70° F Rise. 199k Max BTU/h.
Item#: 123210
Model#: ATI-540HX3-N
Brand: A.O. Smith
$1,726.70
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Factory-Direct
EnergyStar Condensing Water Heater. Ultra-Low NOx. Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.1 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 160k Max BTU/h.
Item#: 123224
Model#: ATO-240HX3-N
Brand: A.O. Smith
$1,484.35
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