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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® 30-Gallon Atmospheric Vent Short Natural Gas Water Heater
ProLine® 30-Gallon Atmospheric Vent Short Natural Gas Water Heater Model GCBL-30R 400
  • 32,000 BTU input
  • 65-gallon first hour rating
  • 6-Year Warranty
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Polaris™ 34-Gallon Power Direct Vent Liquid Propane Gas Water Heater
Energy Star
High Efficiency
Polaris™ 34-Gallon Power Direct Vent Liquid Propane Gas Water Heater Model GSP-100 201
  • 100,000 BTU input
  • 170-gallon first hour rating
  • 10-Year Warranty
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Polaris™ 34-Gallon Power Direct Vent Liquid Propane Gas Water Heater
Energy Star
High Efficiency
Polaris™ 34-Gallon Power Direct Vent Liquid Propane Gas Water Heater Model GSP-130 201
  • 130,000 BTU input
  • 165-gallon recovery rate
  • 10-Year Warranty
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Polaris™ 34-Gallon Power Direct Vent Natural Gas Water Heater
Energy Star
High Efficiency
Polaris™ 34-Gallon Power Direct Vent Natural Gas Water Heater Model GSP-100 200
  • 100,000 BTU input
  • 170-gallon first hour rating
  • 10-Year Warranty
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Polaris™ 34-Gallon Power Direct Vent Natural Gas Water Heater
Energy Star
High Efficiency
Polaris™ 34-Gallon Power Direct Vent Natural Gas Water Heater Model GSP-130 200
  • 130,000 BTU input
  • 165-gallon recovery rate
  • 10-Year Warranty
|
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ProLine® 30-Gallon Atmospheric Vent Short Natural Gas Water Heater
ProLine® 30-Gallon Atmospheric Vent Short Natural Gas Water Heater Model GCRL-30R 400
  • 32,000 BTU input
  • 55-gallon first hour rating
  • 6-Year Warranty
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ProLine® 30-Gallon Atmospheric Vent Short Natural Gas Water Heater
ProLine® 30-Gallon Atmospheric Vent Short Natural Gas Water Heater Model GCRL-30 400
  • 35,500 BTU input
  • 66-gallon first hour rating
  • 6-Year Warranty
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ProLine® 30-Gallon Atmospheric Vent Short Natural Gas Water Heater
ProLine® 30-Gallon Atmospheric Vent Short Natural Gas Water Heater Model XCRL-30R 400
  • 32,000 BTU input
  • 55-gallon first hour rating
  • 10-Year Warranty
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ProLine® 30-Gallon Mobile Home Atmospheric Vent Natural Gas Water Heater
ProLine® 30-Gallon Mobile Home Atmospheric Vent Natural Gas Water Heater Model FMHR-30 400
  • Mobile Home Approved
  • 63-gallon first hour rating
  • 6-Year Warranty
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ProLine® 30-Gallon Atmospheric Vent Short Natural Gas Water Heater
ProLine® 30-Gallon Atmospheric Vent Short Natural Gas Water Heater Model XCRL-30 400
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ProLine® 30-Gallon Ultra-Low Nox Atmospheric Vent Tall Natural Gas Water Heater
ProLine® 30-Gallon Ultra-Low Nox Atmospheric Vent Tall Natural Gas Water Heater Model GUC-30 500
  • 33,000 BTU input
  • 62-gallon first hour rating
  • 6-Year Warranty
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ProLine® Atmospheric Vent 30-Gallon Gas Water Heater
ProLine® Atmospheric Vent 30-Gallon Gas Water Heater Model GCR-30 401
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ProLine® 30-Gallon Atmospheric Vent Tall Natural Gas Water Heater
ProLine® 30-Gallon Atmospheric Vent Tall Natural Gas Water Heater Model GCR-30R 400
  • 32,000 BTU input
  • 52-gallon first hour rating
  • 6-Year Warranty
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ProLine® 30-Gallon Atmospheric Vent Tall Natural Gas Water Heater
ProLine® 30-Gallon Atmospheric Vent Tall Natural Gas Water Heater Model XCR-30R 400
  • 32,000 BTU input
  • 52-gallon first hour rating
  • 10-Year Warranty
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ProLine® 30-Gallon Atmospheric Vent Tall Natural Gas Water Heater
ProLine® 30-Gallon Atmospheric Vent Tall Natural Gas Water Heater Model XCB-30R 400
  • 32,000 BTU input
  • 62-gallon first hour rating
  • 10-Year Warranty
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