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Problems Vacuum Pumping Refrigerant Lines to the 500 Micron Level for HVAC
In this HVAC Evacuation Video, I go over problems that technicians may run into while trying to pull a 500-micron vacuum. I explain many of the problems with hoses, manifold gauge sets, as well as strategies and hose layouts needed for a proper and thorough vacuum. I also cover problems that I have seen with service valves.
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