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

    Sep 6, 2010, 04:13 PM
    Honeywell rth6400 thermostat installation?
    I have only 2 wires low voltage to my thermostat i.e. black and white. The manual does not appear to cover this situation hence could you advise which connections to use?
    Antoninus's Avatar
    Antoninus Posts: 1, Reputation: 1
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    #2

    Sep 6, 2010, 04:15 PM
    How do you Johnsnon
    steve_reno's Avatar
    steve_reno Posts: 2, Reputation: 1
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    #3

    Oct 1, 2011, 08:53 AM
    I have the same problem any ideas
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