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Why does copper tubing between indoor and outdoor unit discolours

  • Others
  • Others
  • Troubleshooting
  • AIR CONDITIONING, Home Air Conditioning
  • Last Updated 19/06/2015


Why does the field copper piping which terminates between the indoor and outdoor unit pipe turn black?




             Copper tubing between indoor and outdoor unit discolours (Black in composure0.




             Long term exposure to sunlight, will cause the copper tubing to discolored.


 How to fix


           Discolored pipes do not affect the product performance.

              Please be assured that it is safe to use the product


            Pipe exposed to sunlight

                           Pipe exposed to sunlight >

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