Answer
Sep 12, 2024 - 12:48 PM
No, PAG (Polyalkylene Glycol) oil and Ester oil are not the same. PAG oil, such as the "2501 PAG Oil 46 w/Dye - Gallon," is typically used in automotive air conditioning systems with R-134a refrigerant. Ester oil, however, is more versatile and can be used with both R-134a and older R-12 systems. Each oil type has distinct chemical properties tailored to specific refrigerants and system requirements.
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