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gas furnace valve
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  1. HVAC
    So my York natural gas furnace (YP8C080B12MP11A) has 10 red blinks ("Unexpected Gas Flow"). The heat will not turn on, and the blower runs non-stop. I have replaced the gas valve, but the error is still there. What next? The control board costs $1500! Is this perhaps a bad sensor? Thanks...
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