Systems that operate with HCFC refrigerants, such as R-22, use __________ oil or __________ oil. Systems that operate with HFC refrigerants and HFC blends, such as R-410A, use __________ oil.

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The Answer of Systems that operate with HCFC refrigerants, such as R-22, use __________ oil or __________ oil. Systems that operate with HFC refrigerants and HFC blends, such as R-410A, use __________ oil.

Systems That Operate with HCFC Refrigerants, Such as R-22, Use