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    clarue65's Avatar
    clarue65 Posts: 2, Reputation: 1
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    #1

    Jan 18, 2010, 05:30 PM
    Heil furnace fan loud
    I have a heil furnace when the fan comes on it is very loud. I am wondering what might be wrong.
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
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    #2

    Jan 18, 2010, 06:17 PM

    Which fan. Is it the draft inducer fan, or the main blower fan?
    clarue65's Avatar
    clarue65 Posts: 2, Reputation: 1
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    #3

    Jan 18, 2010, 07:59 PM
    Quote Originally Posted by mygirlsdad77 View Post
    which fan. is it the draft inducer fan, or the main blower fan?
    The main blower fan I think it controls the carbon monoxide
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
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    #4

    Jan 18, 2010, 08:42 PM

    The draft inducer fan exhuast burnt gas out of the house through a vent(including carbon monoxide) the main blower circulates air within the house. So it sounds like your draft inducer is making the noise. Sometimes you can rebuild them(depending on if it's the motor or the fan assembly that is causing the noise),but you are usually best off to just replace the complete draft inducer, motor and all. Hope this helps. Let us know if you have further questions and we will do our best to help you out.
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