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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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  • 40,000 BTU input
  • 80-gallon first hour rating
  • 8-Year Warranty
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  • 89-gallon first hour rating
  • 8-Year Warranty
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  • 84-gallon first hour rating
  • 8-Year Warranty
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  • 50,000 BTU input
  • 89-gallon first hour rating
  • 8-Year Warranty
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  • 40,000 BTU input
  • 80-gallon first hour rating
  • 8-Year Warranty
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  • 40,000 BTU input
  • 81-gallon first hour rating
  • 8-Year Warranty
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  • 40,000 BTU input
  • 81-gallon first hour rating
  • 8-Year Warranty
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