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Re: 80--90 percent R12 to R134a Retro. ???
Posted to HVAC Forum on 7/26/2002

Rod,

The concept of what was told to you about 100% is mainly correct. The need to keep the accumulator/drier saturated helps to insure return of lubrication to the compressor. But, not all areas of the globe utilizes 100%. Based on demograph, ambient and se... Login to read more.