Semcto 28146SW Brake Vacuum Switch Vacuum Pump Switch for Electric Brake Booster Electric Vacuum Pump Kit

ADDED CHECK VALVE - 28146 vacuum pump switch prevents the pump from constantly working and extends the life of the pump. After the vacuum pump is stopped, the vacuum will be lost. Simply place the check valve between the pump and switch and you're ready to go WORKING VACUUM RANGE - Our booster vacuum pump is designed to work when the vacuum runs below 0.04 MPa and approximately 0.06 MPa kickoff. This switch turns the pump off or on at the pre-set vacuum volume. Pressure automatic adjustment switch Pressure Switch Automatic Adjustment - The adjustment screw on the switch is glued with glue to prevent the screws from loosening during transportation. This range is pre-set and cannot be adjusted. Turn the pump off or turn on with the pre-set vacuum volume PERFECT FIT - 28146 vacuum pump switch fits our brake electric vacuum pump. Many customers prefer to use with AC Delco vacuum pumps, 79 Corvettes, etc IMPORTANT TIPS - Always tighten the connections. Otherwise, it will cause leakage and affect the use of the pump. Once installed correctly, it will work as intended. If you have any questions, please contact us

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