Amtrol 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. Height: 15.5″ Diameter: 11″ Size: 0.75″ Material: Steel Application: Plumbing.
- Eliminates the waste of energy and water thus saving money
- Prevents a dangerous pressure build-up in the system
- Prevents the relief valve from going off