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    DSBrand Posts: 1, Reputation: 1
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    Oct 20, 2012, 10:02 AM
    Replacing old thermostat wiring is very confusing
    We have an old thermostat with a new honeywell heat/cool rth111b. Our old wiring is only black and white and don't know how they were placed on the old thermostat since wires broke when trying to remove it.

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