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    george molter's Avatar
    george molter Posts: 1, Reputation: 1
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    #1

    Jan 29, 2014, 11:59 AM
    Concord furnace pressure switch
    The diagnostic LED light indicates that "pressure switch is open while inducer is on . Does that mean that I have a bad pressure switch or is it something else
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Jan 29, 2014, 12:08 PM
    Check all the hoses and orifices on the pressure switch first. Sometimes they get clogged with dirt.
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