Double Check Valve Assembly Series Watts 709 Size 3 in Connection Flanged Body Material Cast Iron Temp Range 33 to 110 Degrees F Max Temp 110 Degrees F Max Pressure 175 psi Width 8 in Length 40 3/8 in Height 10 1/4 in Features NRS 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