Question

q1: what must be done before replacing any air conditioning component? refrigerant flush procedure refrigerant filtering procedure refrigerant replacement refrigerant recovery

Explanation:

Before replacing any air - conditioning component, the refrigerant must be safely removed from the system to avoid environmental damage and safety hazards. Refrigerant recovery is the process of removing refrigerant from the air - conditioning system and storing it in an external container.

Answer:

Refrigerant recovery