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  1. #1
    Join Date
    Dec 2010
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    Furnac gas valve allowing gas through

    Is it normal for a very small amount of gas to leak through to the burners when a furnace is off? I am a getting 1%LEL reading at the burner ports when my unit is off. Is that normal? Is that safe?

  2. #2
    Join Date
    Apr 2007
    Langley, BC, Canada
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    Ummmm...negative ghost rider....100% shutoff means exactly that. Not safe, not good. Call a pro my friend.
    *Proud Member of UA LOCAL 516*

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