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2 Hose Vacuum Pump Procedure VS 1 Hose Vacuum Pump Setup for HVAC!
In this HVAC Training Video, I show How to set up and Perform a Vacuum on an Air Conditioner. I time how long it takes to perform a vacuum using the two hose method and then I break the vacuum with nitrogen to 0 psig. I then time how long it takes to perform a vacuum using the single vacuum hose set up and then I break the vacuum with refrigerant from the bottle. I use valve core removal tools to remove the Schrader valves during the vacuum.
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