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Posts Tagged: R-134a into R-1234yf system

R-134a into R-1234yf system

Can you retrofit R-134a into R-1234yf system? No, not legally Legality aside, can you do it? There are many reasons why this won’t work 1) The R-1234yf expansion valve is incompatible with R-134a The expansion valve for R-1234yf refrigerant will not work with R-134a refrigerant. Retrofitting R-134a into an R-1234yf expansion valve will result in improper refrigerant flow causing a loss of cooling performance or durability concerns. 2) The R-1234yf suction line heat exchanger will cause compressor problems Most compressors used in R-1234yf systems use a control valve for pressure … Read More


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