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Re: 'A/C Schrader Valves' and/or 'Plastic A/C Lines/Valves!'
Posted to HVAC Forum on 8/13/2022

For anyone EPA Section 608 certified, and handling (non-automotive) R-410A:

R-410A is notorious for leakage if using the wrong positive stop valve cores or reusing a removed core. My recommendation is to replace any positive stop valve cores, once removed. H... Login to read more.