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

    Nov 9, 2011, 09:18 PM
    Intertherm Thermostat Wiring Diagram?
    I Just installed an older intertherm mac 2450, I am only using the furnace for heat, I now need to wire the thermostat wires from the furnace to the thermostat, not having much luck finding anything useful on line.
    It would be great if I could get some help on this one.

    Thanks
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #2

    Nov 10, 2011, 10:09 AM
    Have you found the wires in furnace to connect tstat wires to?
    If so one wire goes to W on tstat the other probably red or pinkish-red goes to R post om tstat
    2 wires is all you need
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