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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.

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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
  • 32,000 BTU input
  • 65-gallon first hour rating
  • 6-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
  • 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
  • 100,000 BTU input
  • 170-gallon first hour rating
  • 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 XCRL-30R
  • 32,000 BTU input
  • 55-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 GCB-30R
  • 32,000 BTU input
  • 62-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 GCR-30R
  • 32,000 BTU input
  • 52-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-30R
  • 32,000 BTU input
  • 55-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 XCB-30R
  • 32,000 BTU input
  • 62-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 XCR-30R
  • 32,000 BTU input
  • 52-gallon first hour rating
  • 10-Year Warranty
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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
  • 33,000 BTU input
  • 62-gallon first hour rating
  • 6-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
  • Mobile Home Approved
  • 63-gallon first hour rating
  • 6-Year Warranty
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Polaris™ 34-Gallon Power Direct Vent Natural Gas Water Heater
High Efficiency
Polaris™ 34-Gallon Power Direct Vent Natural Gas Water Heater Model GSP-150
  • 150,000 BTU input
  • 190-gallon first hour rating
  • 10-Year Warranty
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