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

    Jan 22, 2011, 03:06 PM
    White rodgers to honeywell RTH221- wiring help
    Hi- I have a white Rodgers Thermostat- aprpox 1997- w/mercury tube -
    It has 5 wires coming to it- 2 from my heat / 3 from ac
    Honeywell says ignor the colors and use the letering
    They have 5 terminals on the 221
    Can anybody give me the right wiring as honeywell isn't clear w/the 3 wires
    From my a/c
    Thanks
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
    Ultra Member
    		  
    #2

    Jan 22, 2011, 07:44 PM
    Its hard to say with out knowing what system you have. Give us the wiring info of the old thermostat if you can. All info will help.
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