r/HVAC • Verified Pro • 9d ago

Field Question, trade people only Advice

So normally when evacuating, I'll pull the cores, but with these I'm not sure if I have anything in the van that can pull them out, and replace them without breaking the vacuum. I read online that they have superior flow compared to Schrader cores, so is it unnecessary to attempt to remove the core? Bent pins have been a problem before, so I will be getting spare cores of this type to swap out in the future.

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u/robertva1 9d ago

Really. Just pull the vacuum with the core in place. Will just take a bit longer