CVR 12 Volt Electric Vacuum Pump
Unit draws 6 amps
VP555 contains same features as VP612.
The pump is set to turn on when vacuum drops below 15 in. of vacuum, the pump activates and increases the brake vacuum level to 20 in. of vacuum.
Self contained unit with no need for wiring of relays and switches!
Simply connect the positive/negative power and the unit will regulate the vacuum level itself.