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Re: Air contamination in freon
Posted to HVAC Forum on 4/21/2019 1 Reply

Thanks, Glenn; I've argued for years that just because it holds vacuum in the bay for 5 minutes doesn't mean that there CAN'T be a vacuum leak under some operating conditions. My initiation to the problem was on 70's-80's cars from the mfr who used metal gaske... Login to read more.

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