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    bobbyfp's Avatar
    bobbyfp Posts: 1, Reputation: 1
    New Member
     
    #1

    May 24, 2007, 01:12 PM
    Changing out an old thermostat for a new one
    In my house I have a Honeywell Chronotherm III (Model T8621A) that I am replacing with a Honeywell Thermostat - TH8110U1003 for a 1 heat and 1 cool A/C system. I would like to know what wires from the old thermostat go to what connections on the new thermostat. Please help. Thank you.
    NorthernHeat's Avatar
    NorthernHeat Posts: 1,455, Reputation: 132
    Ultra Member
     
    #2

    May 24, 2007, 02:52 PM
    I hope this helps
    https://www.askmehelpdesk.com/heatin...tml#post268211

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