---- J Stewart <fonman4277@COMCAST.NET> wrote:
> I ordered one, it came while I was out of town. Before ordering I called and asked if it was R-134 compatible and was told yes, either R12 or R134. It has a sticker on it that says "R12" and thats it-so is it safe to assume it is NOT compatible with R134? In which case it is going back, I never would have purchased a an R12 only compressor! Any have any experience with this?

I can't speak for the Bus Depot sourced compressor.  I did have my AC system converted to R134a by a very reputable (and capable in my experience) shop.  They did not change the compressor, but rather cleared the system with a solvent for the purpose, and used the new R134a compatible oil.  I would discuss the matter with the vendor and perhaps the manufacturer.   R134a is a higher pressure gas than is R12, and a compressor special for it might run at higher pressure.  But my system cools well.

That said, a lot of labeling on products is CYA motivated.  I wash wool items in my washing machine on delicate setting with mild detergents all the time.  Almost all of them are labeled "Dry Clean Only."  But, I learned from my mother, who learned from her mother how to wash clothes.  I doubt my grandmother, and certainly not her grandmother, ever took anything to a dry cleaning establishment.  Good luck.  mcneely

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David McNeely