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    Droopy737 Posts: 1, Reputation: 1
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    #1

    Oct 17, 2010, 06:24 PM
    trying to switch from trane weathertron to Honeywell RTH230B thermostat
    How do I wire the old to the new?
    The old one has
    X2
    O
    G
    Y
    T
    R
    W
    F
    B
    but the new one only has
    Rh
    Rc
    W
    Y
    G

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