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Re: A/C charge spec
Posted to HVAC Forum on 9/25/2009 3 Replies

If the spec was 28 ozs of R12 as stated, FJC states to put in 1 lb 8 ozs.

When retrofitting from R12 to R134a I have always followed the charts in FJC, Inc. "A Guide to Retrofitting R12 to R134a". I have never had a single problem or complaint when following... Login to read more.

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