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Thread: charging R410a with no vacuum !!
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02-09-2010, 08:50 PM #9
Re: charging R410a with no vacuum !!
Flushing with ofn or any other gas can't get rid of moisture. You pull a deep vacuum so that the moisture boils off in the system and the pump can pull it out. If u got a call for a system that u knew had moisture in it would u just dump bottle after bottle into the sytem trying to flush it or would u pull a vacuum???
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