The Grip-Rite PACP492 Pressure Switch helps control pressure levels in compatible air compressor systems. This replacement switch monitors the system pressure and operates the compressor according to the preset pressure range. It is designed to replace a worn or damaged pressure switch during equipment maintenance or repair. Proper installation helps maintain the intended pressure con... https://www.wholetoolbox.com/grip-rite-pacp492-pressure-switch/PACP492.html