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Re: Problems with Mastercool4000 R1234YF machine
Posted to HVAC Forum on 5/28/2025

I bought a Robinair 1234YF machine several years ago. We do a lot of body shop work so it was a necessity early on. I have nothing but good things to say about it. Do not buy a hybrid machine, R134/1234YF. We have gone through over 150LBS of YF so far with the... Login to read more.