Double Check Detector Assembly, Series Watts 709DCDA, Size 4 in., Connection Flanged, Body Material Cast Iron, Temp. Range 33 to 110 Degrees F, Max. Temp. 110 Degrees F, Max. Pressure 175 psi, Width 21 in., Length 52 in., Height 22-3/4 in., Features Detector Assembly with OSY Shutoffs, cu. ft. m, Standards AWWA Standard C510, Compliance CSA B.64, UL Classified, FM Approved, UPC, ASSE 1048, FCCCHR-USC