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OT - use of a pneumatic vacuum pump (auto A/C use), converting R12manifold gages to R134A?
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Richard J Kinch
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OT - use of a pneumatic vacuum pump (auto A/C use), converting R12 manifold gages to R134A?
nick hull writes:
Of course you could rinse & purge using propane; a small amount left in
is so similar to refrigerants that it is no problem
Yes, aside from the nuisance of the mercaptan odorants.
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