[A/S] Re: Armstrong AC Units & R12 R22 R134

I forgot to mention that R-134a is a refrigerant that requires special oils and elastomers. It should not be mixed into a system with R-4-1B

Ken

--- In AirstreamList@yahoogroups.com, Stan <ssnod@...> wrote:
>
> I did not know that the RV used R22. Much easier to find that R12. In the aviation community we still need the R12. It can be obtained but has finally gotten so expensive that even aviation looks for an alternative.
>
> I have see "Hot Shot" used in place of R12 and R134. The gas will mix with both and cools well enough.
>
> Stan
>

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