Double Check Detector Assembly Series Watts 007 Size 2 1/2 in Connection Flanged Body Material Cast Iron Temp Range 33 to 110 Degrees F Max Temp 110 Degrees F Max Pressure 175 psi Width 16 5/16 in Length 33 1/4 in Height 16 3/8 in Features Detector Assembly with Domestic OSY Shutoff gal/min m Standards AWWA Standard C510 CSA B64.5 IAPMO PS 31 Compliance ASSE 1048 FCCCHR-USC UL Classified (OSY Only)