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Re: Identifying Pag vs Ester oils in R-134
Posted to HVAC Forum on 7/23/1998

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YOU CAN USE AN UNIVERSAL 134A DYE, I USE ONE AND IT WORKS JUST FINE WITH EITHER OIL. WHERE IN STRONGSVILLE ARE YOU LOCATED?? I USED TO LIVE IN NORTH ROYALTON AND GRADUATED THERE IN 62. I STILL HAVE A ... Login to read more.