Pressure Switch CW209400AV

Authentic Campbell Hausfeld replacement part designed to work with air compressors. The pressure switch is made to tell your compressor when to stop and when to start building up pressure. There are multiple reasons a pressure switch could be leaking air. Replacing switch should keep it running at optimum performance. To complete replace this pressure switch you will need: wrench set, nut driver set and a thread-sealing tape. • Shut off the electricity and drain the air tank • Remove the tank pressure gauge • Remove the pressure switch tube • Remove the pressure regulator assembly • Disconnect the wires • Remove the safety valve • Install the new pressure switch • Reinstall the safety valve • Connect the wires • Reinstall the pressure switch tube • Screw the pressure gauge onto the new pressure switch and tighten the gauge firmly • Test the air compressor