Originally Posted By MONC

If I wanted to go back to R12 then Classic Air would have to re-restore compressor and drier at the least...


Why? If the components were "rebuilt to be compatible for BOTH R134a and R12" a simple change in refrigerant shouldn't be a problem.

Most current driers are compatible with both refrigerants, as is ester oil, so you can swap back and forth as desired.

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