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I'm fairly comfortable working on automotive R-134a air conditioners but haven't worked on a home R-410a system before. I have a manifold gauge set, charge hoses, and electric vacuum pump.

I know I will need new charge hoses because the fittings are different but can I re-use the manifold set and vacuum pump?

I'm also planning on getting certified for EPA Section 608 so I can legally buy refrigerant.

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  • So what are the respective refrigerant temperatures and pressures?
    – Solar Mike
    Sep 9, 2022 at 17:34
  • Rules have changed. It's not enough to sit a class and take a test. You must now also have recovery equipment, and also a supply chain/vendor relationships to return the recovered refrigerant into for destruction/recycling. Sep 9, 2022 at 17:46

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