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-   -   Furnace fan works but no heat. I think it's the limit control again. (https://www.askmehelpdesk.com/showthread.php?t=808420)

  • Feb 18, 2015, 02:19 PM
    mcgip
    Furnace fan works but no heat. I think it's the limit control again.
    Fan working but automatic pilot won't ignite. How often will the limit control fail if nobody replaces the furnace filter regularly?
  • Feb 18, 2015, 03:00 PM
    bitters
    Limit switches rarely fail. When the filter get's to dirty the air flow will slow down and then the limit switch opens. Are you getting any flash codes?

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