Product details:

Cash-Acme 95451 1" Double Check Valve Assembly Backflow Preventer Product Product Features: Size: 1" Provides maximum protection against back pressure and back siphonage Consist of two independently acting check valves and a relief valve Designed to streamline the number of working parts making maintenance easy The uniqute design top entry cover allow quick access to both check valves and relief valves Designed for maximum working pressure of 175 PSI and maximum working temperature of 180 f (82 C) Constructed from unleaded bronze and corrosion resistant internal components