Pennsylvania WaterFurnace Series 7 Discoloration

Discussion in 'Maintenance and Troubleshooting' started by stevelion, Aug 15, 2021.

  1. stevelion

    stevelion New Member

    My WaterFurnace Series 7 is in use about 6 years. I was cleaning the condensate pan and noticed discoloration on what I believe the be the coaxial heat exchanger - see attached photo. Does this look normal?
     

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  2. SShaw

    SShaw Active Member Forum Leader

    Mine looks like that also. Maybe it's from brazing the HX.
     
  3. stevelion

    stevelion New Member

    Thanks for your input. Technician was out today on unrelated call and theorized the same!
     
  4. SShaw

    SShaw Active Member Forum Leader

    Good that it sounds like it's not an issue with the unit.
     
    stevelion likes this.

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