AUTOMATIC RECOVERY: The G5Twin from Appion is a twin cylinder, twin condenser model that features a refrigerant-isolated crankcase and automatic liquid and vapor recovery. June 30, 2020 Refrigerant ...

For years, HVACR technicians have been used to primarily working with nonflammable (A1) refrigerants, such as R-410A, R-22, and R-404A. Now that HCFCs are being phased out and there is growing concern ...