Robinair A/C service parts and components including service couplers, hoses, solenoids, and related items for refrigerant recovery and recharge equipment. These are the consumable and wear components that keep existing A/C service machines running correctly.
Right. Couplers differ by refrigerant type by design, specifically to prevent connecting the wrong refrigerant to a system. Use the couplers matched to the refrigerant and equipment you are working with — this is a safety and contamination control feature, not a convenience.
They are different refrigerants with different handling requirements, and service equipment and connections are not interchangeable. Vehicles built more recently commonly use R-1234yf. A shop servicing both needs the correct equipment and couplers for each.
Replace when the outer cover shows cracking or damage, when fittings leak, or per the equipment manufacturer's guidance. Refrigerant hoses degrade with age and UV exposure even when not heavily used.
They electrically control refrigerant flow within the machine during recovery, evacuation, and charge cycles. A failing solenoid typically shows up as a machine that will not complete a cycle or that behaves inconsistently between vehicles.
Provide the machine model and the Robinair part number where you have it. Parts vary across machine models and refrigerant types, so both matter when ordering.
Generic service components such as some couplers and hoses may cross over, but machine-internal components are model-specific. Confirm compatibility rather than assuming, particularly for anything in the refrigerant path.
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