Backflow Preventer Series Wilkins 350XL Size 1 1/4 in Connection MNPT Body Material Bronze Stainless Steel Temp Range 33 Degrees to 180 Degrees F Max Temp 180 Degrees F Max Pressure 175 psi Width 2 1/4 in Length 14 7/8 in Height 6 1/4 in Features Low Lead Design is Suitable for Drinking Water Patented Removable Pressure Vessel Top Mounted Test Cocks Ease Installation Standards ASSE AWWA CSA IAPMO Compliance ASSE 1015 C510 CSA B64.5