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Product Features:

  • Accepts expanded water caused by thermal expansion
  • Returns water to the system when hot water is used
  • Prevents the relief valve from going off
  • Inline thermal expansion tank
  • Prevents dripping faucets, intermittent toilet fill and pressure relief valve discharge
  • Protects water heater, appliances and fixtures

Product Description

AMTROL ST-5 Thermal Expansion Tank