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-   -   Coleman gas furnace troubleshooting model#7700a series 856 (https://www.askmehelpdesk.com/showthread.php?t=702833)

  • Sep 17, 2012, 09:52 PM
    michaelKrank
    Coleman gas furnace troubleshooting model#7700a series 856
    Pre fan starts but won't ignite
  • Oct 29, 2012, 06:36 AM
    crabby22
    Furnace runs for short time turns off maybe 5-7 minutes starts again back and forth want can it be furnace 10 yrs old
  • Oct 29, 2012, 08:05 AM
    Grady White
    The thermostat might be exposed to a draft of cold air.

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