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Amtrol ST-5 (Therm-X-Trol) is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of water expansion. Water heater expansion tank is commonly installed in a domestic hot water system that contains a backflow preventer, a check valve or a pressure reducing valve.
Features
Tank volume: 2 gallons
Eliminates the waste of energy and water, thus saving money
Protects the water heater and plumbing fixtures from premauture failure
Reduces potential safety hazards associated with thermal expansion
Prevents a dangerous pressure build-up in the system
Prevents the relief valve from going off
Therm-X-Trol brand is the #1 choice of Professional Installers
