Double Check Valve Assembly Series Watts 709 Size 8 in Connection Flanged Body Material Cast Iron Temp Range 33 to 110 Degrees F Max Temp 110 Degrees F Max Pressure 175 psi Width 20 1/4 in Length 75 in Height 37 3/4 in Features OSY Shutoffs Standards AWWA C510-92 IAPMO PA 31 USC Manual for Cross Connection Control 8th Edition Compliance ASSE 1015 CSA B64.5 FM Approved Lead Free UL Classified UPC USC