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

    Oct 7, 2013, 09:43 PM
    How do I wire a 2 RH and W to a 3 honeywell which wire can I attach to get power
    Ok I have the 2 wire system and would like to add a wire to make a Honeywell or other thermostat work. Which wire connection can I get the power from? I will add an extra wire but need to know in the 2 wire system where to connect it?
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
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    #2

    Oct 8, 2013, 07:49 PM
    You would need to come from the common side of the transformer. You could also make life simpler by getting a battery powered thermostat.
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