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    jkdoob's Avatar
    jkdoob Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Dec 28, 2009, 10:26 AM
    Draft inducer troubleshooting
    I have a 5 yr. old dunkirk xeb3 boiler. This year on starting I noticed a smell of burnt gas coming out from around the draft inducer housing. I checked housing and gasket, both seemed fine. Fan only runs for approx. 5 seconds before ignition, and shuts off right after flame stops. Could this be faulty fan or switch? Boiler works except for odor. Any ideas or help is appreciated.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Dec 28, 2009, 01:26 PM
    Check the vent or flue pipe for restrictions. If it is plastic pipe going outside you might be surprised what you may find. Ice,birds etc.
    jkdoob's Avatar
    jkdoob Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Dec 28, 2009, 04:20 PM

    Vent pipe is clear. Horizontal steel venting clear to outside. Thanks
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #4

    Dec 28, 2009, 04:54 PM

    At this point, I think its time to have a pro in to check for carbon monoxide. IF you are smelling something out of the ordinary, its best to be safe and have it checked out. Wish I had a better answer for you, but with smells, it all guesswork. Good luck and please let us know what you find.
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