Backstop A101 ST-5 2 Gallon Thermal Expansion Water Heater Tank

Backstop system is a residential diaphragm type pre-charged thermal expansion n tank designed for the protection of potable hot water systems. The tank is designed for installation between the backflow preventer and the water heater to accept expanded potable hot water, keeping systems pressures below relief valve settings. the water is contained in a food grade polypropylene reservoir with a patent butyl rubber diaphragm separating the expand water from air cushion. Volume: 2.1 Gallon, Height: 12 1/2", Diameter: 8", system Connection: 3/4"

Backstop model A101 is comparable to:

Amtrol ST-5, AO Smith PSC-2X, B&G PT-5, ELBI DXT-8, Flexcon WH-8, State ETC-2X, Sparco TX-5, Watts DET-5, Wessels TXC-5, and Wilkins XT-8