Dual Check Valve, Size 3/4 In., Connection SWV X NPT, Body Material Bronze, Max. Temp. 180 Degrees F, Max. Pressure 175 psi, Length 4 3/4 in, Standards ASSE 1003, IAPMO/ANSI/CAN Z1117, NSF/ANSI/CAN 372, NSF/ANSI/CAN 61, Compliance NSF 372