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Re: R-1234yf Servicing
Posted to Tool & Equipment Forum on 4/10/2023

Nitrogen and soapy water works. We use dye as well with R1234yf as we did with R-12 and R-134A but as you said the expense for all refrigerants is making it a need to pressure check first before filling.

We have a Eco Tech Next One R1234YF unit, same company... Login to read more.