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Re: R1234yf refridgerant oil
Posted to HVAC Forum on 6/9/2023

Most r1234yf uses PAG oil like an R134a system. Some systems use POE oil, and you CANNOT mix these. POE oil has been very hard to find locally here. It's almost impossible to find with dye. I got lucky and bought every pouch available from a local store just y... Login to read more.