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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.
    To put the world in order, we must first put the nation in order; to put the nation in order, we must put the family in order; to put the family in order, we must cultivate our personal life; and to cultivate our personal life, we must first set our hearts right.
    -- Confucius

  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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