Oil Pressure Switch - 3 wire

Low Oil Pressure Safety Shut-Off Switch.   Typically used on carburetor engines with electric fuel pumps. 

Used on installations which require a method to shut off the fuel pump when the engine fails or is shut down. This switch senses low oil pressure and shuts the fuel pump off. 3-wire hook up to starter, pump, and ignition, Tee into oil pressure sending unit. 

1/4" NPT Threads