Make sure this fitsby entering your model number. Gas Air Compressor unloader valve pilot check valve combination 145-175 NG1 1/2″ FPT Inlet TOP x 1/2″ FPT Outlet bottom 30 scfm This piloted discharge check valve is a combination of a pilot valve, a pressure discharge valve, and check valve in one complete piece to make a constant run air compressor with gas engine or electric motor. Unloader valve (continuous run unloader) for gas & electric powered air compressors 145-175 factory setting. Pressure can be adjusted 30-40 psi up or down 1/2″ Female Pipe Thread Inlet x 1/2″ Female Pipe Thread outlet. Includes complete with hand unloader and muffler/silencer. 30 scfm Rating Continuous Run Air Compressor Piloted Discharge Check Valve
