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    IImorrow67 Posts: 1, Reputation: 1
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    Dec 18, 2011, 06:36 PM
    Where is "open high limit device" in furnace?
    I can't seem to find the "open high limit device" anywhere in the gas furnace (Trane XE80)... Where is it locate? On motherboard? The motherboard already been replaced about 4 yrs ago... can't be bad already, can it? Warranty?

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