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Re: Fails vacuum leak test (badly) but can't find leak
Posted to HVAC Forum on 4/8/2021

When I was young (r12 days) I was taught, that if a system came in with good static pressure, you know 70 psi or so, It was going to be okay for the season. This has never let me down. Now of course you can always develop a leak. But as a rule of thumb, good s... Login to read more.