• Test and control - use this solenoid service magnet to test, troubleshoot or manually activate and control a direct connected or pilot operated two-way solenoid, three-way reclaim or 4-way reversing valve typically found in a reverse cycle air conditioner or heat pump Recovery and evacuation - this magnet can also be used to hold a solenoid valve open during recovery and evacuation so the entire system can be accessed Use in place of the power head on a hot water oil shutoff valve to eliminate the need to wait for the delay on open, temporarily replace faulty coil to open solenoid valve, use it to turn the power on or replace the solenoid if it's bad

The Yellow Jacket Solenoid Valve Service Magnet is the quickest and easiest way to manually operate solenoid valves. It works by magnetically lifting the stem assembly and plunger to actuate the valve during service.