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    yurino's Avatar
    yurino Posts: 1, Reputation: 1
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    #1

    Sep 19, 2008, 02:12 PM
    Hunter digital thermostat 42995b compatibility
    I have gas heating and electric A/C. Can I replace old mechanical thermostat with hunter 42995b?
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #2

    Sep 19, 2008, 05:10 PM
    NO! Use any other brand.

    Assume this is a non dual fuel system (Conventional 1heat/1cool) and uses 4 wires. You may need to add a common wire depending on the stat or if you like replacing batteries.
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