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Natural Gas (274)
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BTU (Max)

42,500 (1)
70,000 (2)
80,000 (4)
84,000 (2)
100,000 (2)
120,000 (14)
130,000 (2)
140,000 (15)
157,000 (6)
160,000 (24)

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0.60 - 0.65 (121)
0.65 - 0.70 (51)
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0.85 - 0.90 (10)
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0.95+ (64)

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ABS (20)
Atmospheric (120)
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Indoor Only (97)
Indoor/Outdoor (28)
Outdoor (1)
Outdoor Only (68)

Flow Rate At 40F Temp Rise (GPM)

4.9 (2)
5.0 (2)
5.4 (4)
5.5 (2)
5.8 (8)
6 (1)
6.3 (1)
6.6 (3)
6.7 (9)
7.1 (4)

Flow Rate At 50F Temp Rise (GPM)

3.9 (4)
4.4 (6)
4.5 (2)
4.6 (6)
4.8 (1)
5.1 (1)
5.3 (3)
5.8 (4)
6.1 (11)
6.2 (6)

Flow Rate At 60F Temp Rise (GPM)

3.3 (4)
3.7 (2)
3.8 (10)
3.9 (2)
4 (1)
4.2 (1)
4.4 (3)
4.9 (4)
5 (11)
5.2 (2)

Flow Rate At 70F Temp Rise (GPM)

2.8 (4)
3.2 (6)
3.3 (8)
3.5 (1)
3.6 (1)
3.8 (4)
4.2 (4)
4.3 (10)
4.4 (1)
4.5 (5)

Review Score

(132)
(22)
(3)
(4)
(4)

Price Range

$100 to $200 (1)
$300 to $400 (2)
$400 to $500 (2)
$500 to $600 (8)
$600 to $700 (9)
$700 to $800 (6)
$800 to $900 (13)
$900 to $1000 (16)
$1000 to $1500 (131)
$1500 to $2000 (114)

Residential Gas Water Heaters

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Product Image of NR501 120,000 BTU Outdoor Residential Tankless Water Heater (NG)
$751.89 each
In Stock
Get 2 by Tue, Jul 21
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Product Image of NRC661 120,000 BTU Direct Vent Condensing Residential Tankless Water Heater (NG)
$1,137.60 each
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Product Image of RTGH Super High Efficiency 8.4 GPM Indoor Condensing Tankless Water Heater (Propane), RTGH-84DVLP-3
$1,188.00 each
In Stock
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Product Image of NRC661 120,000 BTU Direct Vent Condensing Residential Tankless Water Heater (LP)
$1,052.69 each
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Product Image of RXP160IN 160,000 BTU Condensing Indoor/Outdoor Tankless Water Heater w/ Pump (Natural Gas)
$1,685.60 each
In Stock
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Product Image of RE160e 160,000 BTU, Non-Condensing Outdoor Tankless Water Heater (Propane)
$893.34 each
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Product Image of 140,000 BTU ATI-110 Non-Condensing Ultra-Low NOx Indoor Tankless Water Heater (NG/LP)
$929.89 each
In Stock
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Product Image of 48 Gallon - 65,000 BTU Defender Safety System TTW2 Power Vent Energy Saver Residential Water Heater (Nat Gas)
$2,393.04 each
In Stock
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Product Image of 50 Gallon GCG-50 40,000 BTU ProLine Residential Gas Water Heater, 6 Yr Warranty - Tall (NG)
$1,067.98 each
In Stock
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Product Image of NC380 380,000 BTU Single Vent Commercial Tankless Water Heater (NG)
$5,565.29 each
In Stock
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Product Image of 199,000 BTU ATI-510 Non-Condensing Ultra-Low NOx Indoor Tankless Water Heater (NG/LP)
$1,539.99 each
In Stock
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Product Image of High-Efficiency 70 Non-Condensing Direct Vent Indoor Tankless Water Heater (NG), RTG-70DVLN-3
$804.00 each
In Stock
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Product Image of 50 Gallon GPHE-50 76,000 BTU Vertex Power-Vent Residential Gas Water Heater - Tall (NG)
$3,286.33 each
In Stock
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Product Image of Series 200 Ultra Low-NOx Non-Condensing Outdoor Tankless Water Heater (10 GPM, NG/LP)
$898.47 each
In Stock
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Product Image of 40 Gallon GPVL-40 40,000 BTU ProLine Power Vent Residential Gas Water Heater - Short (NG)
$1,733.89 each
In Stock
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Product Image of 75 Gallon GPVX-75L 76,000 BTU ProLine Power Vent Residential Gas Water Heater w/ Side Connections - Tall (LP)
$2,621.93 each
In Stock
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Product Image of NRC111DV 199,900 BTU Direct Vent Residential Tankless Water Heater (LP)
$1,896.78 each
In Stock
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Product Image of CXP199IN 199,000 BTU Commercial Condensing Indoor Tankless Water Heater w/ Integrated Pump (Natural Gas)
$2,228.10 each
In Stock
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Product Image of RE160e 160,000 BTU, Non-Condensing Outdoor Tankless Water Heater (Natural Gas)
$893.34 each
In Stock
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Product Image of 48 Gallon - 65,000 BTU Defender Safety System Extra Recovery Energy Saver Residential Atmospheric Water Heater (Nat Gas)
$1,752.58 each
In Stock
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Product Image of 40 Gallon GCB-40 40,000 BTU ProLine Blanketed Residential Gas Water Heater - Tall (NG)
$982.82 each
In Stock
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Product Image of High-Efficiency 9.5 GPM Non-Condensing Indoor Natural Gas Tankless Water Heater, RTG-95DVLN-3
$1,243.00 each
In Stock
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Product Image of 40 Gallon XCR-40 40,000 BTU ProLine Plus High Efficiency Residential Gas Water Heater, 10 Yr Warranty - Tall (NG)
$1,116.28 each
In Stock
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Product Image of 50 Gallon XCRT- 50 50,000 BTU ProLine High Recovery Residential Gas Water Heater, 10 Yr Warranty - Tall (NG)
$1,333.94 each
In Stock
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Product Image of RE180e 180,000 BTU, Non-Condensing Outdoor Tankless Water Heater (Propane)
$1,091.16 each
In Stock
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Product Image of 100 Gallon - 80,000 BTU High Input Atmospheric Vent Energy Saver Residential Water Heater (Nat Gas)
$3,185.79 each
In Stock
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Product Image of 75 Gallon HDHE-75 100,000 BTU Vertex Ultra-Low NOx Power Direct Vent Residential Gas Water Heater - Tall (NG)
$6,505.13 each
In Stock
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Product Image of RE180e 180,000 BTU, Non-Condensing Outdoor Tankless Water Heater (Natural Gas)
$1,091.16 each
In Stock
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Product Image of NC199DVC 199,000 BTU Concentric Vent Commercial Tankless Water Heater (NG)
$1,838.75 each
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Product Image of 160,000 BTU ATM-160M Adapt SC Standard Condensing Ultra-Low NOx Tankless Water Heater (NG)
$1,418.75 each
In Stock
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Product Image of V53DEN 120,000 BTU High Efficiency Outdoor Tankless Heater (Natural Gas)
$667.49 each
In Stock
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Product Image of 50 Gallon GPVT-50L 50,000 BTU ProLine XE Power Vent Residential Gas Water Heater w/ Side Connections - Tall (NG)
$1,961.20 each
In Stock
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Product Image of RTGH Super High Efficiency 9.5 GPM Indoor Condensing Tankless Water Heater (Propane), RTGH-95DVLP-3
$1,499.00 each
In Stock
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In Stock
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Product Image of 40 Gallon - 36,000 BTU Defender Safety System High Efficiency Residential Atmospheric Water Heater (LP Gas)
$1,000.10 each
In Stock
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Product Image of 180,000 BTU ATM-180M Adapt SC Standard Condensing Ultra-Low NOx Tankless Water Heater (NG)
$1,537.50 each
In Stock
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In Stock
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Product Image of 50 Gallon XCRX-50 60,000 BTU ProLine High Recovery Residential Gas Water Heater, 10 Yr Warranty - Tall (NG)
$1,585.20 each
In Stock
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In Stock
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Product Image of 40 Gallon GDV-40 38,000 BTU ProLine Direct Vent Residential Gas Water Heater - Short (NG)
$1,931.75 each
Out of Stock
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Out of Stock
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Product Image of 50 Gallon XCRL-50 40,000 BTU ProLine Residential Gas Water Heater, 10 Yr Warranty - Short (NG)
$1,305.68 each
In Stock
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In Stock
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Product Image of 40 Gallon GPVT-40 50,000 BTU ProLine XE Power Vent Residential Gas Water Heater - Tall (NG)
$1,837.83 each
In Stock
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Product Image of RE140i 140,000 BTU, Non-Condensing Indoor Tankless Water Heater (Natural Gas)
$913.03 each
In Stock
Get 1 by Tue, Jul 21
In Stock
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Product Image of High Efficiency 9.5 GPM Indoor Non-Condensing Tankless Water Heater (LP), RTG-95DVLP-3
$1,243.00 each
In Stock
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Product Image of RUCS65IN 130,000 BTU, Condensing Indoor Tankless Water Heater (Natural Gas)
$976.91 each
In Stock
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Product Image of 40 Gallon GCR-40 40,000 BTU ProLine Residential Gas Water Heater - Tall (NG)
$980.93 each
In Stock
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Product Image of 75 Gallon PCG-75 75,100 BTU ProLine High Recovery Residential Gas Water Heater, 10 Yr Warranty (LP)
$1,838.73 each
In Stock
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In Stock
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Product Image of 50 Gallon - 35,000 BTU Defender Safety System Atmospheric Vent Energy Saver Residential Water Heater (LP Gas)
$1,294.29 each
In Stock
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Product Image of RTGH Super High Efficiency 9.0 GPM Indoor Condensing Tankless Water Heater (Natural Gas), RTGH-90DVLN-3
$1,336.00 each
In Stock
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In Stock
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Product Image of 190,000 BTU ATI-310 Non-Condensing Ultra-Low NOx Indoor Tankless Water Heater (NG/LP)
$1,378.92 each
In Stock
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Product Image of Mid Efficiency 9.5 GPM Outdoor Natural Gas Tankless Water Heater, RTG-95XLN-3
$1,272.86 each
In Stock
Get 124 by Thu, Jul 23
In Stock
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