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R-404A and R-134a are not compatible for use in the same system. R-404A is a blend of refrigerants, primarily used in low-temperature applications, while R-134a is a single-component refrigerant commonly used in medium-temperature applications. Mixing them can lead to reduced efficiency, system damage, and operational issues. Always consult manufacturer guidelines and refrigerant compatibility charts before making any changes to refrigerant types.

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1mo ago

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