Double Check Detector Assembly Series Watts 774 Size 12 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max Temp 110 Degrees F Max Pressure 175 psi Width 21 in Length 57 1/2 in Height 53 1/8 in Features cu ft m Detector Assembly with OSY Shutoff Short Lay Length Standards AWWA C510 CSA B64.5 Compliance ASSE 1048 FM Approved UL Classified (OSY Only)