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    RH Consultant's Avatar
    RH Consultant Posts: 1, Reputation: 1
    New Member

    Feb 15, 2009, 04:53 PM
    Carrier Natural Gas Furnace main gas valve will not open every call for heat
    We have a Carrier Weather Maker 8000 Natural Gas Furnace not functioning properly. We have replaced pressure switch, hot surface ignitor, flame sensor and control board. It will cycle 3 to 4 times and then not come back on. Is it possibly a bad coil on gas valve?:rolleyes:
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
    Ultra Member

    Feb 15, 2009, 05:00 PM
    Are you familiar with the normal operating sequence? If you observe that the inducer is running and the ignitor is glowing, but ignition does not occur, the gas control is a possibility. Do you notice any "clicking" coming from the gas control? Weathermaker 8000 is just a model name - can you locate and post the actual, complete model # ? You will find it on a label inside the unit.

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