ColdMachine kits now come with "quick-connect" fittings for easy attachment. Unlike old "one-shot" connections, "quick-connect" fittings are self-sealing, and can be disconnected and reconnected whenever necessary, without loss of refrigerant or exposing the system to air or moisture.
This 755570000 Adapter Set consists of a pair of copper tubing lengths with old one-shot fittings on one end, and new self-sealing/quick-connect fittings on the other.
They allow the joining of old and new Cold Machine components, should replacing a component become necessary.
Professional installation is required the first time these adapters are used, since the older component will need to be evacuated and recharged with refrigerant.