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Re: Air contamination in freon
Posted to HVAC Forum on 4/20/2019

It was 70 lbs after I charged it. Before I charged it, 70 degrees out, engine cold and not running. I hook the gauges up and it wraps my low side gauge all the way around to 130 or 140.

It's definitely air contamination, I tested the freon with a identifier ... Login to read more.