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With reference to US legislation relating to air conditioning refrigerants, J2845 Technician Training for Safe Service and Containment of Refrigerants Used in Mobile A/C Systems (R-744, and HFO-1234yf), states that under no circumstances should any part of the air conditioning system be serviced, dismantled, or replaced by anyone other than suitably qualified and certified personnel. Make sure that the refrigerant is correctly contained at all times.


All replacement parts for the air conditioning system must be new and equivalent to the manufacturer's Original Equipment (OE). All replacement parts must comply with the relevant SAE Standard. Contact your Retailer/Authorized Repairer for advice.

The following symbols may be used on an under hood label and are relevant to the refrigerant fluid.


Flammable refrigerant.

Required registered technician to service A/C.