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Home > Water Heaters > Tankless Water Heaters

Brand Name

Type

General Size Guidelines per household size shown below.
Add 3-1/2 gallon tank capacity for each additional bathroom In the home.
If there is an automatic dishwasher add 5 gallons to the water heater capacity.

1-2 people: 2-3 people: 3-4 people: 5+ people:
30-40 gallons 40-50 gallons 50-60 gallons 60-80+ gallons

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Combi Boiler/Hot Water Heater 120K BTU 120 VAC LP Gas

Noritz CB199-DV Cold Rolled Carbon Steel Wall Hung Sealed Combustion Condensing Natural Gas Fired Combination Water Boiler, Above 95% AFUE, 199 BTU

STS 3 4 stainless steel heat exchanger
Direct electronic ignition, automatic flame sensing
Temperature controls includes remote thermostat that can precisely adjust the output temperature with the capability to display temperatures
Outdoor reset control built-in customizable programming for energy savings and comfort with outdoor temperature sensor
Durable steel casing with polyester coating
6 feet power cord installation kit
Flame sensor, over heat cut-off limit switch, gas leak detector sensor, water leak detector sensor, exhaust temperature sensor, pressure sensor, heating supply temperature sensor
Internal pump used as primary closed loop for heating mode and pre-heating of internal plate heat exchanger in domestic mode
3/4" gas pipe connection
15 - 15 psi operating pressure
Pre-mixed metal fiber burner
1 years limited heat exchanger warranty for residential use and 5 years limited parts warranty

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Noritz CB199-DV-NG

Item#:

CB199-DV-NG

Manufacturer Item:

CB199-DV-NG

Manufacturer:

NORITZ

CB199-DV-NG-Parts_Misc

CB199-DV-NG_Install

CB199-DV-NG_Spec

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Residential Direct Vent Natural Condensing Tankless Water Heater 180K BTU

Noritz GQ-C2857WS-FF-US Residential Direct Vent Natural Condensing Tankless Water Heater 180K BTU,
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Noritz GQ-C2857WS-FF-US

Item#:

GQ-C2857WS-FF-US

Manufacturer Item:

GQ-C2857WS-FF-US-NG

Manufacturer:

NORITZ

GQ-C2857WS-FF-US_Install

GQ-C2857WS-FF-US_Parts

GQ-C2857WS-FF-US_Spec

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Indirect Hot Water Heater 53 Gallon

ECR International H2OIG50DK Indirect Water Heater 53Gallon
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ECR International H2OIG50DK

Item#:

H2OIG50DK

Manufacturer Item:

H2OIG50DK

Manufacturer:

ECR INTERNATIONAL, INC.

H2OIG50DK

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Tankless Water Heater 240K BTU 120 VAC

Navien NPE24 A Cold Rolled Carbon Steel Premium Wall-Hung Natural/Propane Gas Condensing Tankless Water Heater, 11.2 gpm at 35 deg F, 5.6 gpm at 67 deg F, 199 - 1999 BTU

Field convertible gas system
Ultra condensing efficiency
Low NOx emissions (less than or equal to 2 ppm)
Cascading capable
SCH 4 , 2" venting up to 6 feet
Less water pressure drop
The negative pressure gas valve and fan with dual venturi operation allows for better adaptability to low gas pressure applications
Intelligent preheating technology

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Navien NPE-240A

Item#:

NPE-240A

Manufacturer Item:

NPE240A

Manufacturer:

NAVIEN

NPE-240A_Install