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    Rick1982's Avatar
    Rick1982 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 26, 2010, 07:57 AM
    Why won't my furnace turn on unless I physically flip the switch..
    I replaced my thermastat (aprilaire) with a LUX TX1500E. The furnace will not turn on unless I physically flip the switch.. It worked fine last night, however, this morning the furnace will not turn on.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    Nov 26, 2010, 08:30 AM

    It is most likely a mismatch with your wires to the stat. What type of furnace do you have and what are the colors of all the wires coming out of the wall?
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