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    philnglo's Avatar
    philnglo Posts: 5, Reputation: 1
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    #1

    Dec 19, 2011, 05:34 PM
    My ruud gas furnace won't stay on. The initial stage ignites then it shuts off.
    Is it the gas valve or the ifc.
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #2

    Dec 19, 2011, 09:18 PM
    Don`t know what a ifc is, but before you start replacing parts, try cleaning the flame senser real good with some fine steel wool or fine sandpaper, don`t cost anything,to give it a try

    Let us know how it turns out
    philnglo's Avatar
    philnglo Posts: 5, Reputation: 1
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    #3

    Dec 25, 2011, 06:26 AM
    The ifc or integrated furnace control board. Answer to wmproops question.
    The ruud silhouette gas furnace won't stay on to heat the house. The igniter lights up the pilot burner for a few seconds and then shuts off. However i am able to ignite the burners with a lighter. And they will burn until the thermostat is satisfied.
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