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Re: Supco VG64 -best way to connect to system?
Posted to HVAC Forum on 8/9/2007 2 Replies

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All I can say is air isn't a refrigerant. Moisture isn't a refrigerant. Oil isn't a refrigerant. You have to have oil. You shouldn't have air or moisture. I think the confusion comes from teachers an... Login to read more.

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