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Residential Gas Tank Water Heaters

Reliance has the gas tank water heater to help bring comfort and quality to your home.

Reliance Water Heaters
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40-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty - 6 40 UNBRT 450
40-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty - 6 40 UNBRT 450 Model 6-40-UNBRT 450
  • 6-year limited tank & parts warranty, 1-year labor warranty
  • 83-gallon first hour rating
  • Flammable vapor ignition-resistant design
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30-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty
30-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty Model 6-30-UNORT 500
  • 6-year limited tank & parts warranty, 1-year labor warranty
  • 67-gallon first hour rating
  • Flammable vapor ignition-resistant design
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40-Gallon Short Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty
40-Gallon Short Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty Model 6-40-UNBCS 500
  • 6-year limited tank & parts warranty, 1-year labor warranty
  • 85-gallon first hour rating
  • Flammable vapor ignition-resistant design
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40-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty - 6-40-UNBRT
40-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty - 6-40-UNBRT Model 6-40-UNBRT 500
  • 6-year limited tank & parts warranty, 1-year labor warranty
  • 83-gallon first hour rating
  • Flammable vapor ignition-resistant design
|
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40-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 9 Year Warranty - 9-40-UNKCT 450
40-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 9 Year Warranty - 9-40-UNKCT 450 Model 9-40-UNKCT 450
  • 9-year limited tank & parts warranty, 1-year labor warranty
  • 83-gallon first hour rating
  • Flammable vapor ignition-resistant design
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30 Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty
30 Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty Model 6-30-UNORT 400
  • 6-year limited tank & parts warranty, 1-year labor warranty
  • 62-gallon first hour rating
  • 33,000 BTU input for faster recovery
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50 Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty
50 Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty Model 6-50-UNBRT 400
  • 6-year limited tank & parts warranty, 1-year labor warranty
  • 84-gallon first hour rating
  • 40,000 BTU input for faster recovery
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50-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 12 Year Warranty - 500
50-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 12 Year Warranty - 500 Model 12-50-UNACT 500
  • 12-year limited tank & parts warranty, 1-year labor warranty
  • 78-gallon first hour rating
  • Flammable vapor ignition-resistant design
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50 Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty
50 Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty Model 6-50-UNBCT 400
  • 6-year limited tank & parts warranty, 1-year labor warranty
  • 84-gallon first hour rating
  • 40,000 BTU input for faster recovery
|
View Model
40-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 9 Year Warranty - 9-40-UNKRT 500
40-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 9 Year Warranty - 9-40-UNKRT 500 Model 9-40-UNKRT 500
  • 9-year limited tank & parts warranty, 1-year labor warranty
  • 83-gallon first hour rating
  • Flammable vapor ignition-resistant design
|
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50-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty - 6-50-UNBRT
50-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty - 6-50-UNBRT Model 6-50-UNBRT 500
  • 6-year limited tank & parts warranty, 1-year labor warranty
  • 76-gallon first hour rating
  • Flammable vapor ignition-resistant design
|
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40-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty - 6 40 UNBCT 450
40-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty - 6 40 UNBCT 450 Model 6-40-UNBCT 450
  • 6-year limited tank & parts warranty, 1-year labor warranty
  • 83-gallon first hour rating
  • Flammable vapor ignition-resistant design
|
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50-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 9 Year Warranty - 9-50-UNKRT 500
50-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 9 Year Warranty - 9-50-UNKRT 500 Model 9-50-UNKRT 500
  • 9-year limited tank & parts warranty, 1-year labor warranty
  • 76-gallon first hour rating
  • Flammable vapor ignition-resistant design
|
View Model
40-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 12 Year Warranty - 500
40-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 12 Year Warranty - 500 Model 12-40-UNACT 500
  • 12-year limited tank & parts warranty, 1-year labor warranty
  • 83-gallon first hour rating
  • Flammable vapor ignition-resistant design
|
View Model
40-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 12 Year Warranty - 450
40-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 12 Year Warranty - 450 Model 12-40-UNACT 450
  • 12-year limited tank & parts warranty, 1-year labor warranty
  • 83-gallon first hour rating
  • Flammable vapor ignition-resistant design
|
View Model
Showing 1-15 of 162
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Reliance water heaters are available at select local retailers near you.
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