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- 40,000 BTU input
- 80-gallon first hour rating
- 6-Year Warranty
- 40,000 BTU input
- 80-gallon first hour rating
- 8-Year Warranty
- 40,000 BTU input
- 72-gallon first hour rating
- 6-Year Warranty
- Mobile Home Approved
- 57-gallon first hour rating
- 6-Year Warranty
- ENERGY STAR® Qualified
- High efficiency operation with up to 0.90 UEF
- Thermal Efficiency up to 93%
- ENERGY STAR® Qualified
- High efficiency operation with up to 0.90 UEF
- Thermal Efficiency up to 93%
- Delivers 75-gallon first hour rating
- 40,000 BTU input power direct vent design delivers up to 0.70 Uniform Energy Factor
- 6-Year Tank & Parts Warranty
- Delivers 74-gallon first hour rating
- 40,000 BTU input power direct vent design delivers up to 0.68 Uniform Energy Factor
- 6-Year Tank & Parts Warranty
- Delivers 74-gallon first hour rating
- 40,000 BTU input power direct vent design delivers up to 0.68 Uniform Energy Factor
- 6-Year Tank & Parts Warranty
- Delivers 87-gallon first hour rating
- 50,000 BTU input power vent design for rapid recovery
- 6-Year Tank & Parts Warranty
- Delivers 65-gallon first hour rating
- 36,000 BTU input atmospheric vent design delivers up to 0.66 Uniform Energy Factor
- 6-Year Tank & Parts Warranty
- Delivers 87-gallon first hour rating
- 50,000 BTU input power vent design delivers up to 0.70 Uniform Energy Factor
- 6-Year Tank & Parts Warranty
- Delivers 74-gallon first hour rating
- 40,000 BTU input power direct vent design delivers up to 0.68 Uniform Energy Factor
- 6-Year Tank & Parts Warranty
- Delivers 73-gallon first hour rating
- 40,000 BTU input power vent design delivers up to 0.67 Uniform Energy Factor
- 6-Year Tank & Parts Warranty
- Delivers 74-gallon first hour rating
- 40,000 BTU input power direct vent design delivers up to 0.68 Uniform Energy Factor
- 6-Year Tank & Parts Warranty
Showing 1-15 of 100
Gas tank water heaters typically last 8-12 years with proper maintenance, though some models may begin showing signs of failure around 6-10 years, depending on usage and water quality. Lifespan depends on factors like water hardness, maintenance frequency, installation quality, and usage patterns. Regular maintenance, including annual tank flushing, anode rod inspection, and proper professional installation, helps maximize the life of your gas water heater. Units over 10 years old experiencing frequent issues or leaks usually need replacement rather than repair.
Gas water heaters require proper venting to safely exhaust combustion gases outside your home, adding installation complexity and cost. They need a connection to natural gas or propane lines, and some models require larger gas line sizes than what's currently installed. Gas models have more components that can fail compared to electric heaters, including gas valves, burners, and venting systems. They also require attention to safety concerns like gas leaks and proper combustion, though modern models include safety features that shut down if issues are detected
Gas water heater installation costs vary based on several factors including your location, the specific model chosen, venting requirements, and whether gas line upgrades are needed. Installation complexity increases if you're converting from electric to gas, need to run new gas lines, or require special venting configurations. Labor costs depend on local rates and accessibility of the installation location, with units in attics or crawlspaces costing more. Tank size, efficiency rating, and additional features also affect total cost, so contact local certified installers for accurate pricing.
A. O. Smith is a leading gas water heater manufacturer with over 80 years of expertise and the world's largest water heater factory in Tennessee. Their comprehensive residential gas tank line includes Good, Better, and Best tiers with options ranging from standard efficiency to ENERGY STAR® certified models. A. O. Smith offers multiple venting configurations, various gallon capacities, and warranties up to 10 years. Their products feature ultra-low NOx emissions, advanced safety features, and are backed by extensive professional installer networks and A. O. Smith University training programs for contractors.
