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r12 to r134a conversion on old beverage air refrigerator

Question asked by anytimeservices on Nov 30, 2018
Latest reply on Dec 6, 2018 by fixbear

Old beverage air refrigerator. the new compressor is rated for 134 unit is r12 with cap tube. What needs to be done to change refrigerant to 134.  Usually, we work on walk-ins where we can change txv