Natural Gas Tankless Water Heaters

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Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 5.8 GPM at 40° F Rise, 4.5 GPM at 50° F Rise, 3.9 GPM at 60° F Rise, 3.3 GPM at 70° F Rise. 115k Effective BTU/h.
Item#: 70561
Model#: TK-110U-E-NG
Brand: Takagi
$675.00
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EnergyStar Non-Condensing Water Heater. Ultra Low Nox Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 8.4 GPM at 40
Item#: 59259
Model#: NR98-DVC-NG
Brand: Noritz
$1,444.96
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EnergyStar Non-Condensing Water Heater. Ultra Low Nox Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 8.4 GPM at 40
Item#: 59261
Model#: NR98-SV-NG
Brand: Noritz
$1,444.96
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$1,779.85
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EnergyStar Commercial 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. 199.9k Effective BTU/h.
Item#: 82311
Model#: NCC199CDV-NG
Brand: Noritz
$2,472.00
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Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 5.8 GPM at 40° F Rise, 4.5 GPM at 50° F Rise, 3.9 GPM at 60° F Rise, 3.3 GPM at 70° F Rise. 115k Effective BTU/h.
Item#: 70562
Model#: TK-110U-I-NG
Brand: Takagi
$728.00
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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. 163k Effective BTU/h.
Item#: 70573
Model#: TK-510U-I-NG
Brand: Takagi
$1,153.00
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Commercial Water Heater. Ratings: 14.8 GPM at 40° F Rise, 12.5 GPM at 50° F Rise, 10.5 GPM at 60° F Rise, 8.5 GPM at 70° F Rise. 305k Effective BTU/h.
Item#: 70582
Model#: T-M50-NG
Brand: Takagi
$3,512.00
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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.
Item#: 82305
Model#: NC199OD-NG
Brand: Noritz
$1,639.00
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Only 2 In-Stock
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. 164k Effective BTU/h.
Item#: 31860
Model#: NRC98-DV-NG
Brand: Noritz
$1,549.88
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EnergyStar Non-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. 199.9k Effective BTU/h.
Item#: 59260
Model#: NR98-OD-NG
Brand: Noritz
$1,530.00
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EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 5.5 GPM at 40
Item#: 70845
Model#: EZTR40-NG
Brand: Noritz
$1,542.41
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*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
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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, 6.2 GPM at 60° F Rise, 5.2 GPM at 70° F Rise. 199k Max BTU/h.
Item#: 123216
Model#: TK-540X3-NEH
Brand: Takagi
$1,558.00
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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. 156k Effective BTU/h.
Item#: 70564
Model#: TK-310U-I-NG
Brand: Takagi
$936.00
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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#: 70554
Model#: T-H3M-DV-NG
Brand: Takagi
$845.00
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EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 5.0 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. 103k Effective BTU/h.
Item#: 32016
Model#: NR501OD-NG
Brand: Noritz
$644.48
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EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 5.8 GPM at 40
Item#: 32018
Model#: NR662OD-NG
Brand: Noritz
$899.56
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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. 189k Effective BTU/h.
Item#: 70002
Model#: ATO-540H-N
Brand: A.O. Smith
$1,269.00
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EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 5.4 GPM at 40
Item#: 70555
Model#: T-H3M-OS-NG
Brand: Takagi
$845.00
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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. 156k Effective BTU/h.
Item#: 70563
Model#: TK-310U-E-NG
Brand: Takagi
$936.00
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EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Concentric Vent. Ratings: 7.6 GPM at 40
Item#: 73560
Model#: NR83DVC
Brand: Noritz
$1,253.23
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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. 189k Effective BTU/h.
Item#: 76482
Model#: ATI-540P-N
Brand: A.O. Smith
$1,501.00
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EnergyStar Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 4.9 GPM at 40
Item#: 95819
Model#: V53DEN
Brand: Rinnai
$669.71
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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, 6.2 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
$1,558.00
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