28146 Electric Brake Vacuum Pump Switch Brake Vacuum Switch For Brake Booster Vacuum Pump Kit Electric Vacuum Pump

• PERFECT FIT - 28146 Vacuum Pump Switch fit for electric vacuum pump for power brakes, Many customers also like to use it for AC Delco (Hella) vacuum pump 

• WORKING VACUUM RANGE -  on at 16" of vacuum or less, turns off at 25-29" of vacuum based on the type of pump.

• PRESSURE SWITCH AUTOMATIC ADJUSTMENT -   on at 16" of vacuum or less, turns off at 25-29" of vacuum based on the type of pump.

• VACUUM PUMP SWITCH FUNCTION - It keeps the pump from constantly running and preserves pump life.Switch controls vacuum pump on/off bu typically uses a pilot relay between the switch contact and the vacuum pump motor.