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Residential Hot Water Heaters

397 Products
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Fuel Type Learn More
Fuel Type
To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
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Vent Type Learn More
Vent Type
Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
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Maximum Input Capacity (BTU) Learn More
Maximum Input Capacity (BTU)
The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
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Energy Factor Learn More
Energy Factor
Energy Factor (EF) is a measurement of water heater energy efficiency. The higher the energy factor, the more efficient the water heater.
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Flow Rate at 40F Temperature Rise (GPM) Learn More
Flow Rate at 40F Temperature Rise (GPM)
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location.
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Wall Mounted, Condensing Boiler Water Heater Ultra Low NOx Emissions Ratings: 6.2 GPM at 40° F Rise, 5.0 GPM at 50° F Rise, 4.2 GPM at 60° F Rise, 3.6 GPM at 70° F Rise. 130 k Effective BTU/h.
Item#: 154040
Model#: RX130IN
Brand: Rinnai
Sale: $1,027.53
On Sale Through 04/30
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Wall Mounted, Condensing Boiler Water Heater Ultra Low NOx Emissions Ratings: 9.8 GPM at 40° F Rise, 7.8 GPM at 50° F Rise, 6.4 GPM at 60° F Rise, 5.6 GPM at 70° F Rise. 199 k Effective BTU/h.
Item#: 154043
Model#: RX199IN
Brand: Rinnai
Sale: $1,384.11
On Sale Through 04/30
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EnergyStar Condensing Water Heater. Ultra-Low NOx Emissions. Ratings: 9.6 GPM at 40° F Rise, 7.6 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.3 GPM at 70° F Rise. 199k BTU/h.
Item#: 160191
Model#: STHR-199X3
Brand: State Water Heaters
$1,936.00
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EnergyStar Condensing Water Heater. Ultra Low NOx Emissions. Ratings: 8.6 GPM at 40° F Rise, 6.9 GPM at 50° F Rise, 5.7 GPM at 60° F Rise, 4.9 GPM at 70° F Rise. 180k Effective BTU/h.
Item#: 160315
Model#: EZ98DV-NG
Brand: Noritz
Sale: $1,474.91
On Sale Through 04/30
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EnergyStar Condensing Water Heater. Ultra Low NOx Emissions. Ratings: 8.6 GPM at 40° F Rise, 6.9 GPM at 50° F Rise, 5.7 GPM at 60° F Rise, 4.9 GPM at 70° F Rise. 180k Effective BTU/h.
Item#: 160318
Model#: EZTR50-NG
Brand: Noritz
Sale: $2,127.28
On Sale Through 04/30
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$2,629.55
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EnergyStar Condensing Water Heater. Ultra-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#: 70550
Model#: T-H3-DV-P
Brand: Takagi
$1,210.95
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Factory-Direct
EnergyStar Water Heater. Ultra Low NOx Emissions. 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. 199k Max BTU/h.
Item#: 69986
Model#: ATI-510U-N
Brand: A.O. Smith
Sale: $1,006.05
On Sale Through 04/30
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Factory-Direct
$805.90
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EnergyStar Condensing Water Heater. Ultra-Low NOx Emissions. Ratings: 6.7 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. 152k Effective BTU/h.
Item#: 70552
Model#: T-H3J-DV-N
Brand: Takagi
$985.95
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Factory-Direct
EnergyStar Condensing Water Heater. Ultra-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. 180k Effective BTU/h.
Item#: 70560
Model#: T-H3S-OS-N
Brand: Takagi
$1,421.00
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Factory-Direct
EnergyStar Condensing Water Heater. Ultra Low NOx Emissions. Ratings: 8.6 GPM at 40° F Rise, 6.9 GPM at 50° F Rise, 5.7 GPM at 60° F Rise, 4.9 GPM at 70° F Rise. 180k Effective BTU/h.
Item#: 82333
Model#: EZ98DV-NG
Brand: Noritz
Sale: $1,474.91
On Sale Through 04/30
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EnergyStar Condensing 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. 180k Effective BTU/h.
Item#: 31861
Model#: NRC98-OD-NG
Brand: Noritz
Sale: $1,394.89
On Sale Through 04/30
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EnergyStar Condensing Water Heater. Ultra-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#: 70556
Model#: T-H3-OS-P
Brand: Takagi
$1,195.95
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Includes Mechanical Control.
Item#: 22958
Model#: CH-41Z-B
Brand: Amtrol
$1,823.90
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Amtrol - HM-41LDW - 41 Gallon - Indirect-Fired Water Heater - HDPE - 224 First Hour Rating at 140,000 BTU Boiler Output & 90 Degree Temperature Rise - Single Coil - 3/4" Sweat Connection
Item#: 23078
Model#: HM-41LDW
Brand: Amtrol
$2,797.22
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Amtrol - HM-41ZDW - 41 Gallon - Indirect-Fired Water Heater - HDPE - 224 First Hour Rating at 140,000 BTU Boiler Output & 90 Degree Temperature Rise - Single Coil - 3/4" Sweat Connection
Item#: 23080
Model#: HM-41ZDW
Brand: Amtrol
$2,661.92
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Amtrol - HM-80ZDW - 80 Gallon - Indirect-Fired Water Heater - HDPE - 255 First Hour Rating at 140,000 BTU Boiler Output & 90 Degree Temperature Rise - Single Coil - 3/4" Sweat Connection
Item#: 23084
Model#: HM-80ZDW
Brand: Amtrol
$3,355.38
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EnergyStar Condensing 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. 180k Effective BTU/h.
Item#: 31859
Model#: NRC98-OD-LP
Brand: Noritz
Sale: $1,472.38
On Sale Through 04/30
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$2,498.00
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$4,315.00
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$2,709.00
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$3,019.00
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$1,766.00
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