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I just don't want to wind up missing a digit or limb. I can sometimes get in a hurry to get results.
I thought they could pump out the R22 & pump back in the new stuff?
I think Don meant R44, for home/industrial cooling direct replacement. R134a is the auto version, that replaces R12.
I think you should get it moving on it's own power then worry about the ac.......
My system uses Puron, is that the 22? System is 15 years old but runs great.I have a full container of 134 stored and have been getting a universal freon for use now called Enviro-safe. Anyone used that, supposed to be 12 and 134 compliant.