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Thread: Heil furnace

  1. #1
    Join Date
    Feb 2005


    I have a Heil furnace......when the target temperature is hit the furnace blower continues to run and does not shut off. I can even set the target temperature below the actual temperature and it still runs.
    What is going on with this thing?

  2. #2
    Join Date
    Mar 2004
    SE Michigan
    Make sure that the fan switch at the tstat is in the auto position. Other then that, you may have a bad relay, circuit board, or comb. fan/limit control and will need to patronize your local heating contractor.
    Behind the ostensible government sits enthroned an invisible government owing no allegiance and acknowledging no responsibility to the people.

    Theodore Roosevelt

  3. #3
    Join Date
    Sep 2002
    Doesnt shut off soon enough for YOU? or never shuts off?
    If I know I'm going Crazy,I must not be Insane

  4. #4
    Join Date
    Feb 2005

    Heil Furnace

    The blower will stay on always.......will not shut off unless I turn off power.
    I have checked the position of is in the auto position not the on position.

  5. #5
    Than you need to call for service.

  6. #6
    gasman Guest


    either the relay switch stuck closed or the fan switch is stuck on fan/limit control.

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