Pressure Regulator, Series A, Body Material Brass, Inlet Size 1/2 in, Outlet Size 1/2 in, Length 2 7/8 in, Height 6 1/8 in, Application Water and Fuel, Connection Type FNPT, Pressure Adjustment Range 20 to 60 psi, Gauge Port Size 1/4 in, Max. Temp. 180 Degrees F, Max. Pressure 400 psi