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-   -   Why won't my furnace turn on unless I physically flip the switch.. (https://www.askmehelpdesk.com/showthread.php?t=529155)

  • Nov 26, 2010, 07:57 AM
    Rick1982
    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.
  • Nov 26, 2010, 08:30 AM
    ballengerb1

    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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