Double Check Valve Assembly Series Watts 774 Size 3 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max Temp 110 Degrees F Max Pressure 175 psi Width 7 1/2 in Length 38 in Height 22 5/8 in Features OSY Shutoff Short Lay Length Standards AWWA C510-92 CSA B64.5 Compliance ASSE 1015 FM Approved (4 in to 10 in OSY Only) UL Classified (OSY Only)