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AO Smith (31)
Bosch (4)
Bradford White (9)
Eccotemp (6)
EZ Tankless (7)
Noritz (24)
Rheem (13)
Rinnai (24)
Takagi (19)

Fuel Type

Natural Gas (132)
Propane (27)

BTU (Max)

70,000 (1)
80,000 (3)
84,000 (1)
100,000 (1)
120,000 (7)
130,000 (2)
140,000 (12)
157,000 (3)
160,000 (18)
165,000 (1)

Energy Factor

0.80 - 0.85 (40)
0.85 - 0.90 (5)
0.90 - 0.95 (53)
0.95+ (49)

Vent Type

Concentric (17)
Concentric Direct-Vent Termination (3)
Direct Exhaust (3)
Direct Vent (65)
Outdoor (No Venting) (19)
Power Direct Vent (6)
Power Vent (11)

Installation Type

Indoor Only (71)
Indoor/Outdoor (20)
Outdoor Only (42)

Flow Rate At 40F Temp Rise (GPM)

4.9 (1)
5.0 (1)
5.4 (2)
5.5 (1)
5.8 (5)
6 (1)
6.3 (1)
6.6 (2)
6.7 (2)
7.1 (2)

Flow Rate At 50F Temp Rise (GPM)

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

Flow Rate At 60F Temp Rise (GPM)

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

Flow Rate At 70F Temp Rise (GPM)

2.8 (2)
3.2 (3)
3.3 (5)
3.5 (1)
3.6 (1)
3.8 (3)
4.2 (2)
4.3 (2)
4.4 (1)
4.5 (5)

Review Score

(39)
(8)
(1)
(1)

Price Range

$40 to $45 (1)
$300 to $400 (1)
$400 to $500 (2)
$500 to $600 (5)
$600 to $700 (4)
$700 to $800 (5)
$800 to $900 (6)
$900 to $1000 (13)
$1000 to $1500 (31)
$1500 to $2000 (40)

Tankless Natural Gas Water Heaters

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Product Image of NHH Hybrid Hot 199,000 BTU Indoor Direct Vent Commercial Tankless Hybrid Water Heater (NG)
$8,473.00 each
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Product Image of 199,000 BTU Ultra Low-NOx Natural Gas Outdoor Condensing Tankless Water Heater (10 GPM)
$1,452.83 each
In Stock
Get 2 by Wed, Jun 17
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Product Image of 190,000 BTU ATO-310 Non-Condensing Outdoor Tankless Water Heater (NG/LP)
$1,378.69 each
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Product Image of T-H3S-OS-N Outdoor Tankless High Efficiency Condensing Water Heater (NG)
$942.96 each
In Stock
Get 1 by Wed, Jun 17
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Product Image of RTG-199HE-N INFINITI High Efficiency Indoor Tankless Condensing Water Heater (8.3 GPM, NG)
$1,822.50 each
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Product Image of CHS16080HCXiN H-Series 160,000 BTU, Demand Duo Commercial Condensing Indoor Hybrid Tankless Water Heater (Natural Gas)
$8,362.50 each
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Product Image of ACI-CRS-23WM-N 398,000 BTU Commercial Indoor Tankless Rack System - Wall Mount (NG)
$5,926.53 each
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Product Image of Greentherm T-9800 SE 160 NG Tankless Water Heater (160000 BTU)
$2,463.67 each
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Product Image of 160,000 BTU Ultra Low-NOx w/X3 Technology Natural Gas Outdoor Condensing Tankless Water Heater (6.6 GPM)
$1,689.57 each
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Product Image of IKONIC High-Efficiency 10.0 GPM Indoor Condensing Tankless Natural Gas Water Heater with Recirculation Pump, RTGH-SR10I
$1,915.55 each
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Product Image of 120,000 BTU ATO-140H Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG)
$918.60 each
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Product Image of TK-510C-NI Indoor Tankless Non-Condensing Concentric Vent Water Heater, 199,000 BTU
$1,459.36 each
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Product Image of ACO-CRS-26IL-N 398,000 BTU Commercial Outdoor Tankless Rack System - Free-Standing In-Line (NG)
$8,079.46 each
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Product Image of SmartHome 80,000 BTU Indoor Tankless Water Heater (4.5 GPM, NG)
$499.00 each
In Stock
Get 7 by Thu, Jun 18 - Fri, Jun 19
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Product Image of ACO-CRS-22WM-N 398,000 BTU Commercial Outdoor Tankless Rack System - Wall Mount (NG)
$5,352.02 each
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Product Image of NRC711 157,000 BTU Direct Vent Condensing Residential Tankless Water Heater (NG)
$1,476.13 each
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Product Image of EZTR75 199,000 BTU Multi Vent Condensing Tankless Water Heater Bundle Pack (NG)
$2,509.32 each
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Product Image of T-H3S-DV-N Indoor Tankless High Efficiency Condensing Water Heater (NG)
$1,262.30 each
Out of Stock
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Product Image of 199,000 BTU Ultra Low-NOx Natural Gas Indoor Condensing Tankless Water Heater (10 GPM)
$1,478.62 each
In Stock
Get 2 by Wed, Jun 17
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Product Image of NRC661 120,000 BTU Outdoor Vent Condensing Residential Tankless Water Heater (NG)
$1,052.69 each
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Product Image of T-H3J-OS-N Outdoor Tankless High Efficiency Condensing Water Heater (NG)
$1,040.87 each
In Stock
Get 5 by Wed, Jun 17
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Product Image of ACI-CRS-24IL-N 398,000 BTU Commercial Indoor Tankless Rack System - Free-Standing In-Line (NG)
$8,079.46 each
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Product Image of Sapphire Series 14L 100,000 BTU Tankless Water Heater (NG)
$597.10 each
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Product Image of 190,000 BTU ATI-310C Non-Condensing Ultra-Low NOx Indoor Tankless Water Heater (NG)
$1,101.26 each
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Product Image of ACI-CRS-22WM-N 398,000 BTU Commercial Indoor Tankless Rack System - Wall Mount (NG)
$5,352.02 each
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Product Image of High Efficiency 9.5 GPM Indoor Natural Gas EcoNet Included Tankless Water Heater, RTGH-95DVELN-3
$2,394.46 each
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Product Image of RTG-199ME-N INFINITI Mid Efficiency Indoor Tankless Water Heater (7.3 GPM, NG)
$1,564.20 each
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Product Image of Packaging for EZ98DV Tankless Water Heaters
$43.01 each
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Product Image of 398,000 BTU Commercial Indoor Tankless Rack System - Free-Standing Back-to-Back (NG)
$8,079.46 each
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Product Image of NRC111OD 199,900 BTU Outdoor Condensing Vent Residential Tankless Water Heater (NG)
$1,779.85 each
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Product Image of CXP160IN 160,000 BTU Commercial Condensing Indoor Tankless Water Heater w/ Integrated Pump (Natural Gas)
$1,760.29 each
In Stock
Get 4 by Thu, Jun 18
In Stock
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Product Image of High Efficiency 9.5 GPM Indoor Propane Gas EcoNet Enabled Tankless Water Heater, RTGH-95DVELP-3
$1,785.00 each
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Get it by Wed, Jul 8 - Wed, Jul 15
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Product Image of Greentherm T 9900 SE 199 NG Tankless Water Heater
Greentherm T 9900 SE 199 NG Tankless Water Heater
SKU: 7736503731
Bosch
SKU: 7736503731
Brand: Bosch
$3,243.22 each
In Stock
Get 3 by Wed, Jun 17 - Fri, Jun 19
In Stock
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Product Image of 160,000 BTU Ultra Low-NOx w/X3 Technology Natural Gas Indoor Condensing Tankless Water Heater (6.6 GPM)
$1,689.57 each
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Product Image of EZ Deluxe on Demand Tankless Water Heater, 1-2 Bath w/ Direct Vent Kit (NG)
$578.95 each
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Product Image of T-H3J-DV-N Indoor Tankless High Efficiency Condensing Water Heater (NG)
$1,043.02 each
In Stock
Get 2 by Wed, Jun 17
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Product Image of Sapphire Series 12L 80,000 BTU Tankless Water Heater (NG)
$537.38 each
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Product Image of Sapphire Series 24L 170,000 BTU Tankless Water Heater (NG)
$850.29 each
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Product Image of Builder Series Outdoor Tankless Water Heater (7 GPM, NG)
$699.00 each
In Stock
Get 100 by Thu, Jun 18 - Fri, Jun 19
In Stock
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Product Image of EZ98DV 180,000 BTU Indoor/Outdoor Residential Tankless Water Heater (NG)
$1,753.08 each
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Product Image of T-H3-OS-N Outdoor Tankless High Efficiency Condensing Water Heater (NG)
T-H3-OS-N Outdoor Tankless High Efficiency Condensing Water Heater (NG)
SKU: T-H3-OS-N
Takagi
SKU: T-H3-OS-N
Brand: Takagi
(6)
$1,171.63 each
Out of Stock
Get it by Tue, Jun 30 - Wed, Jul 8
Out of Stock
Get it by Tue, Jun 30 - Wed, Jul 8
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