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Residential Gas Tank Water Heaters

From high-efficiency ENERGY STAR® certified water heaters to economical standard efficiency gas water heaters, A. O. Smith has a complete line of natural gas and liquid propane tank water heaters to fit your needs.

A. O. Smith
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ProLine® Master 50-Gallon Ultra-Low NOx Atmospheric Vent Tall Natural Gas Water Heater
ProLine® Master 50-Gallon Ultra-Low NOx Atmospheric Vent Tall Natural Gas Water Heater Model HUR-50 450
  • 40,000 BTU input
  • 84-gallon first hour rating
  • 8-year limited tank and parts warranty
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ProLine® Master 40-Gallon Atmospheric Vent Tall Natural Gas Water Heater
ProLine® Master 40-Gallon Atmospheric Vent Tall Natural Gas Water Heater Model HWR-40 410
  • 40,000 BTU input
  • 80-gallon first hour rating
  • 8-Year Warranty
|
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ProLine® Master 50-Gallon Ultra-Low NOx Atmospheric Vent Tall Natural Gas Water Heater
ProLine® Master 50-Gallon Ultra-Low NOx Atmospheric Vent Tall Natural Gas Water Heater Model HUC-50 400
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ProLine® Master 50-Gallon Atmospheric Vent Tall Natural Gas Water Heater
ProLine® Master 50-Gallon Atmospheric Vent Tall Natural Gas Water Heater Model HWRT-50 400
  • 50,000 BTU input
  • 89-gallon first hour rating
  • 8-Year Warranty
|
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ProLine® Master 40-Gallon Ultra-Low NOx Atmospheric Vent Tall Natural Gas Water Heater
ProLine® Master 40-Gallon Ultra-Low NOx Atmospheric Vent Tall Natural Gas Water Heater Model HUR-40 400
  • 40,000 BTU input
  • 81-gallon first hour rating
  • 8-Year Warranty
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ProLine® Master 40-Gallon Atmospheric Vent Short Natural Gas Water Heater
ProLine® Master 40-Gallon Atmospheric Vent Short Natural Gas Water Heater Model HWRL-40 400
  • 40,000 BTU input
  • 67-gallon first hour rating
  • 8-Year Warranty
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ProLine® Master 50-Gallon Atmospheric Vent Short Natural Gas Water Heater
ProLine® Master 50-Gallon Atmospheric Vent Short Natural Gas Water Heater Model HWRL-50 400
  • 40,000 BTU input
  • 81-gallon first hour rating
  • 8-Year Warranty
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ProLine® Master 40-Gallon Ultra-Low NOx Atmospheric Vent Short Natural Gas Water Heater
ProLine® Master 40-Gallon Ultra-Low NOx Atmospheric Vent Short Natural Gas Water Heater Model HURL-40 400
  • 40,000 BTU input
  • 72-gallon first hour rating
  • 8-Year Warranty
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ProLine® Master 50-Gallon Atmospheric Vent Short Liquid Propane Gas Water Heater
ProLine® Master 50-Gallon Atmospheric Vent Short Liquid Propane Gas Water Heater Model HWRL-50 401
  • 40,000 BTU input
  • 81-gallon first hour rating
  • 8-Year Warranty
|
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ProLine® Master 50-Gallon Ultra-Low NOx Atmospheric Vent Tall Natural Gas Water Heater
ProLine® Master 50-Gallon Ultra-Low NOx Atmospheric Vent Tall Natural Gas Water Heater Model HUR-50 500
  • 40,000 BTU input atmospheric vent design
  • 78-gallon first hour rating
  • 8-year limited tank and parts warranty
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ProLine® Master 40-Gallon Ultra-Low NOx Atmospheric Vent Tall Natural Gas Water Heater
ProLine® Master 40-Gallon Ultra-Low NOx Atmospheric Vent Tall Natural Gas Water Heater Model HUR-40 450
  • 40,000 BTU input
  • 83-gallon first hour rating
  • 8-Year Warranty
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ProLine® Master 50-Gallon Atmospheric Vent Tall Liquid Propane Gas Water Heater
ProLine® Master 50-Gallon Atmospheric Vent Tall Liquid Propane Gas Water Heater Model HWG-50 401
  • 37,000 BTU input
  • 82-gallon first hour rating
  • 8-Year Warranty
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ProLine® Master 50-Gallon Ultra-Low NOx Atmospheric Vent Tall Natural Gas Water Heater
ProLine® Master 50-Gallon Ultra-Low NOx Atmospheric Vent Tall Natural Gas Water Heater Model HUC-50 450
  • 40,000 BTU input
  • 84-gallon first hour rating
  • 8-year limited tank and parts warranty
|
View Model
ProLine® Master 50-Gallon Atmospheric Vent Tall Natural Gas Water Heater
ProLine® Master 50-Gallon Atmospheric Vent Tall Natural Gas Water Heater Model HWR-50 400
  • 40,000 BTU input
  • 84-gallon first hour rating
  • 8-Year Warranty
|
View Model
ProLine® Master 50-Gallon Atmospheric Vent Tall Natural Gas Water Heater
ProLine® Master 50-Gallon Atmospheric Vent Tall Natural Gas Water Heater Model HWRT-50L 400
  • 50,000 BTU input
  • 89-gallon first hour rating
  • 8-Year Warranty
|
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Showing 1-15 of 29
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