What Replaces R12 Refrigerant?

What Replaces R12 Refrigerant? There are three replacement refrigerant options for R12 systems: R134a, R401a How do you convert R12 to R134a? Discard any R12 refrigerant still in the system by taking your vehicle to a licensed air-conditioning professional. … Open the engine compartment of your vehicle. … Push the high side retrofit R134a fitting