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Maximum Input Capacity (BTU)

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

Energy Factor (EF) is a measurement of water heater energy efficiency. The higher the energy factor, the more efficient the water heater. Learn More -

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AFUE (%)

AFUE (%)

AFUE (Annual Fuel Utilization Efficiency) measures the efficiency of combustion equipment over the entire heating season, and is calculated by dividing the amount of energy that is actually heating your home by the total energy contained in the fuel used by the boiler/furnace. Learn More -

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88 (2)

97 (1)

98 (8)

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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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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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Flow Rate at 40F Temperature Rise (GPM)

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. Learn More +

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Discontinued (87)

Available (301)

(1)

Learn More About EZTR40-LP

Noritz

Noritz EZTR40 - Residential 120,000 BTU - Liquid Propane Tankless Water Heater - Indoor (Bundle Pack)

Model: EZTR40-LP

Offer Ends Saturday, December 21

2% Check Discount

$1,542.41

$1,388.17

Learn More About NR83DVC-NG

Noritz

Noritz NR83 - Residential 180,000 BTU - Natural Gas Water Heater - Concentric Vent

Model: NR83DVC-NG

Offer Ends Saturday, December 21

2% Check Discount

$1,253.23

$1,127.91

Learn More About RTGH-95XELN

Rheem Tankless

Rheem RTGH Prestige - Residential 199,900 BTU Natural Gas Tankless Water Heater - Outdoor

Model: RTGH-95XELN

2% Check Discount

$1,399.00

Only 1 In-Stock

Learn More About EZTR40-NG

Noritz

Noritz EZTR40 - Residential 120,000 BTU - Natural Gas Tankless Water Heater - Indoor (Bundle Pack)

Model: EZTR40-NG

Offer Ends Saturday, December 21

2% Check Discount

$1,542.41

$1,388.17

Only 4 In-Stock

Learn More About MC-195T-US

Rinnai

Rinnai Circ-Logic Dual Timer Controller for Recirculation

Model: MC-195T-US

$229.00

Learn More About NC380-SV-ASME-NG

Noritz

Noritz NC380-SV-ASME - 380,000 BTU - Commercial Natural Gas Tankless Water Heater - Power Vent or Outdoor - ASME Certified

Model: NC380-SV-ASME-NG

2% Check Discount

$4,887.00

Factory-Direct!

Learn More About NCC300OD-NG

Noritz

Noritz NCC300 - 300,000 BTU, 120 Volt - Commercial Natural Gas Tankless Water Heater - Outdoor

Model: NCC300OD-NG

2% Check Discount

$4,887.00

Only 1 In-Stock

Learn More About EZ111DV-NG

Noritz

Noritz EZ111 - Residential 199,900 BTU - Natural Gas Tankless Water Heater - Indoor

Model: EZ111DV-NG

Offer Ends Saturday, December 21

2% Check Discount

$1,875.16

$1,687.64

Learn More About EZ111DV-LP

Noritz

Noritz EZ111 - Residential 199,900 BTU - Liquid Propane Tankless Water Heater - Indoor

Model: EZ111DV-LP

Offer Ends Saturday, December 21

2% Check Discount

$1,875.16

$1,687.64

Learn More About EZ98DV-NG

Noritz

Noritz EZ98 - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Indoor

Model: EZ98DV-NG

Offer Ends Saturday, December 21

2% Check Discount

$1,638.79

$1,474.91

Learn More About EZ98DV-LP

Noritz

Noritz EZ98 - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Indoor

Model: EZ98DV-LP

2% Check Discount

$1,638.79

Factory-Direct!

Learn More About MS2-075

Crown Boiler Mega-Stor 2 - 80 Gallon - Indirect Water Heater

2% Check Discount

$2,349.00

Factory-Direct!

Learn More About 220300

Crown Boiler Co. Anode Rod Kit - 3 Short Rods

$149.00

Factory-Direct!

Learn More About 223182

Rinnai

Rinnai 21" - Universal Non-Condensing Horizontal Termination Kit - Metal Inner/Plastic Outer

$94.00

Learn More About 224053

Rinnai

Rinnai 39" - Vent Pipe Extension - Metal Inner/Plastic Outer

$50.00

$45.00

Learn More About 224077PP

Rinnai

Rinnai Concentric Venting Condensing 45 Degree Elbow (Quantity: 2)

Model: 224077PP

$35.00

Learn More About 224078PP

Rinnai

Rinnai Concentric Venting Condensing 90 Degree Elbow

Model: 224078PP

$25.00

Learn More About GTK15

Rinnai

Rinnai Grundfos Pump with Timer Kit for Tankless Water Heaters

$431.00

Learn More About RGB-20U

Rinnai

Rinnai Universal Recess Box for R63LSe and Value Series

$236.99

Only 3 In-Stock

Learn More About 223176PP

Rinnai

Rinnai Concentric Venting Condensing Horizontal Termination Kit - 12"

Model: 223176PP

$70.00

$63.00

Learn More About GPHE-50

A.O. Smith Tank

A.O. Smith GPHE-50 - 50 Gallon Capacity -Residential Natural Gas Tank Water Heater - Direct Vent

2% Check Discount

$3,141.00

Only 2 In-Stock

Learn More About MS2-050

Crown Boiler Mega-Stor 2 - 50 Gallon - Indirect Water Heater

2% Check Discount

$1,649.00

Factory-Direct!

Learn More About MS2-119

Crown Boiler Mega-Stor 2 - 119 Gallon - Indirect Water Heater

2% Check Discount

$3,709.00

Factory-Direct!

Learn More About SMART 40

Triangle Tube Smart 40 - 36 Gallon - Residential Indirect Water Heater

Model: SMART 40

Offer Ends Tuesday, December 31

2% Check Discount

$1,450.50

$1,176.00

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