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    cscook's Avatar
    cscook Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 19, 2011, 09:12 PM
    Furnace
    I have a premiere attic furnace and fan will not shut off.what should the switch be set at
    drtom4444's Avatar
    drtom4444 Posts: 3,282, Reputation: 145
    Ultra Member
    		  
    #2

    Nov 20, 2011, 10:25 AM
    You have a fan switch with a sliding setting that you slide until it turns off. It should be at about 120-150 degrees. The lower it is the sooner it will come on and the longer it will stay on. You may need a new one if the relay points are welded together. DrTom4444
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