$100 · AMTROL ST-5 Water Heater Expansion Tank

Inline thermal expansion tank *Accepts expanded water caused by thermal expansion *Returns water to the system when hot water is used *Prevents dripping faucets, intermittent toilet fill and pressure relief valve discharge *Protects water heater, appliances and fixtures *Accepts expanded water caused by thermal expansion *Returns water to the system when hot water is used *Prevents the relief valve from going off Dimensions : ‎20.32 x 20.32 x 33.02 cm; 2.09 Kilograms