Hose/Line HVAC: Service and Repair

Refrigerant line

Replacement
1. Discharge refrigeration system. (Refer to operating instructions of your refrigerant recovery/recycling/charging station for proper procedures.)
2. Replace faulty pipe or hose.

Note:
- Immediately plug open fittings to keep moisture out of system.
- Apply clean compressor oil to O-ring before connecting fittings.
- Do not apply compressor oil to fitting nuts.

3. Evacuate, charge, and test refrigeration system.