Adjustable Antisiphon Relief Valve, Body Material PVC, Inlet Type FNPT, Outlet Type FNPT, Inlet Size 1 1/2 in, Outlet Size 1 1/2 in, Factory Set Pressure 150 psi, Pressure Range 5 to 100 psi, Not Applicable BtuH, Overall Height 12 in, Application Anti-Siphon, Back-Pressure Regulator, Back-Pressure Valve, By-Pass Applications, Relief, Overall Length 5 in, Seat Material PTFE, Spring Material Zinc Plated, Temp. Range 32 Degrees to 140 Degrees F, Test Lever Test Lever Not Included. This item has been restricted from sale in the following state (s): []