Friendly format provided to inquire about automotive a/c systems.
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Currently I have a Yellow Jacket vac pump and gauge set for R134A and bought those a few years ago after seeing the Robinair and Mastercool all being made in China. Need to work on cars with 1234yf now. Do I go with YJ again? And are there adaptors to use the new set with my existing pump? Or are there adaptors to keep using my R134 gauge set with R1234 systems?