Double Check Detector Assembly Series Watts 774 Size 4 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max Temp 110 Degrees F Max Pressure 175 psi Width 14 1/2 in Length 40 in Height 22 3/4 in Features Detector Assembly with OSY Shutoff gal/min m Short Lay Length Standards AWWA C510 CSA B64.5 Compliance ASSE 1048 FM Approved UL Classified (OSY Only)