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View Full Version : Faulty high pressure switch


Oscar52
May 21, 2008, 11:16 AM
Hi.I need to know if I can change out a faulty high pressure switch screw type on a Rheem with out losing any freon.

hvac1000
May 21, 2008, 03:57 PM
Not unless they changed the pressure switch from years ago to a depressor type that is in use on some systems especially autos. I would be safe and recover the refrigerant,chenge switch and pull a good Vac and recharge to proper operating pressures/temps.