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Re: Leak testing an empty system
Posted to HVAC Forum on 4/27/2005 16 Replies

This is taken from the EPA's Prohibition on Venting.

#3 Releases of CFCs or HCFCs that are not used as refrigerants. For instance, mixtures of nitrogen and R-22 that are used as holding charges or as leak test gases may be released, because in these cases, t... Login to read more.

16 Replies Received (View Replies)