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Re: How to identify r-134a from the high side??
Posted to HVAC Forum on 2/28/2005

Ok, I'll respond to myself on what I did:

The Neutronics sealant identifer connects to the high side. I took an old sealant filter, drilled the center out, fastened a section of fuel hose on it, on the other side of the hose I attached a 1/8" compression cou... Login to read more.