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    TALRSDADD's Avatar
    TALRSDADD Posts: 3, Reputation: 1
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    #1

    Dec 9, 2009, 08:04 PM
    Intertherm furnace
    My 8 year old Intertherm forced air furnace won't fire. Igniter is good red led is blinking twice says it's a pressure switch is open. Anything I can do myself?
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
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    #2

    Dec 9, 2009, 08:08 PM
    Try tapping on the pressure switch while observing the status light. If operation is restored, pressure switch may be failing.
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    TALRSDADD Posts: 3, Reputation: 1
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    #3

    Dec 9, 2009, 08:16 PM
    Nice it fired.Gonna let it run get some heat in here then I will see if it will fire again
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    #4

    Dec 9, 2009, 08:53 PM
    Nice it fired.Gonna let it run get some heat in here then I will see if it will fire again
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