Reduced Pressure Zone Assembly, Backflow Preventer, Size 1-1/2 In., Connection FNPT, Material of Construction Bronze, Temp. Range (F) 33, Max. Temp. (F) 140, Max. Pressure (PSI) 175, Width (In.) 10, Length (In.) 22, Standards ASSE 1013, B64.4, FM, UL, USC,