VIAIR 90111 Pressure Switch with Relay, Black, 7.3 x 3.5 x 2.3 inches

VIAIR 90111 Pressure Switch with Relay, Black, 7.3 x 3.5 x 2.3 inches Product Details Is Discontinued By Manufacturer : No Product Dimensions : 2 x 2 x 5 inches; 7.68 ounces Item model number : 90111 Manufacturer : Viair Corporation Pressure switch turns air compressor on at 110 PSI, off at 145 PSI Has a built in relay to carry longer loads and prolong life. For 12 volt systems Pressure sensor connects via 1/8" NPT M Port Viair pressure switches allow compressors to be turned on and off automatically at pre-set pressures, removing the possibility of operating your compressor over its rated pressure.