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

    Dec 9, 2009, 04:37 PM
    Oil furnace thermostat 2 wire programmable
    I have an older oil furnace and an older non-programmable thermostat with a mercury bubble in it. Only two wires: beige (white?) and black. Can I install a programmable thermostat? All the models I've seen seem designed for four, five or more wires.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
    Uber Member
    		  
    #2

    Dec 9, 2009, 05:42 PM

    A programmable stat that uses batteries. i.e. doesn't need the (C) wire hooked up.

    Make sure it can be configured for a "conventional furnace" (oil, gas) or electric.

    Then use (R) and (W)
    EPMiller's Avatar
    EPMiller Posts: 624, Reputation: 37
    Senior Member
    		  
    #3

    Dec 9, 2009, 09:12 PM

    Wish you were close to me. I have a cheap Hunter programmable laying on my parts shelf that I would like to be rid of. I don't like them, but it would work for this application.
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