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    Danielharl's Avatar
    Danielharl Posts: 1, Reputation: 1
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    #1

    May 15, 2011, 03:14 PM
    Furnace works for while then limit switch trips on purge blower
    Furnace works then limit switch on purge blower trips
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
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    #2

    May 15, 2011, 07:21 PM
    Its hard to say not knowing the make or model of your furance. Stab in the dark---- If you have a 90% furnace, vented with PVC, Check your drain line for restrictions.
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