A.O. Smith 2-Gallon Expansion Pressure Tank

A.O. Smith 2-Gallon Expansion Pressure Tank

A.O. Smith
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  • Expansion tank for heater overflow works on heaters up to 50 gallon

  • Powder coated interior shell protects against corrosion, assures long trouble free life

  • Exterior powder coat paint for long life and anti-corrosion, certified to automotive ASTM standards

  • Proper tank sizing is critical to the performance of your water heater

  • NSF and IAPMO approved

  • If your home was built in 1985 or is newer, you should use an expansion tank

  • There is a check valve on your meter closing the system and creating negative thermal expansion impact