Thread: All of the AC facts in one place.. Divine intervention needed???
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  #9  
Old 07-30-2003, 12:56 PM
Arthur Dalton Arthur Dalton is offline
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Join Date: Aug 1999
Location: Florida / N.H.
Posts: 8,804
134 expansion valves are designed for higher pressure than R12 .
It is my understanding that one can get away with a R12 valve when going to 134, but not going to R12 w/134 valve..
???????????????
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