Purchase a backflow device with Union End Ball Valves for easy installation and un-installation to prepare for the winter.
Master Series 860U Reduced Pressure Zone Assemblies with Union End Ball Valves are used to protect against high hazard (toxic) fluids in water services to industrial plants, hospitals, morgues, mortuaries, and chemical plants. They are also used in irrigation systems, boiler feed, water lines and other installations requiring maximum protection. They feature a bronze body and union ball valve shutoffs. Maximum Working Pressure: 175psi (12.1 bar). The FEBCO Series 860U Reduced Pressure Zone Assemblies are designed for and suitable for use in health hazard applications. End Connections NPT ANSI / ASME B1.20.1Pressure - Temperature
Typical Installation: SERIES 860U 1/2" - 2" (15-50mm) Outdoor Installation