Amtrol 140N43 ST-5 Therm-X-Trol Inline Thermal Expansion Tank For Domestic (Potable) Water

Amtrol 140N43 ST-5 Therm-X-Trol Inline Thermal Expansion Tank For Domestic (Potable) Water Model ST-5 Description 140N43 Volume (Gal) 2.0 Max Acceptance Volume (Gal) 0.9 Shipping Dimensions L 8 W 8 H 13 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.

Helps eliminate BTU and water waste >