Venting and Bleeding Valve, Inlet Size 3/8 in, Body Material EPDM, Connection Type Socket/Threaded, Float Material Polypropylene, Max. Pressure 240 psi, Min. Pressure 1 psi, Temp. Range 40 Degrees to 140 Degrees F, Vent Dia. 1/2 in, Vent Height 4 3/4 in