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HVAC 2 Position Service Valve: Front Seat & Fully Open Positions!

In This HVAC Training Video, I show the Front Seat and Fully Open Positions of the Common Two Position Service Valve found on Air Conditioners and Heat Pumps. This Valve does not technically have a Back Seat position. I discuss the Schrader valve core and accessing the port to read pressure. I also discuss the pump down of a system.

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