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

    Feb 9, 2012, 03:35 PM
    Replacing old Mears m7-d thermostats
    Picked up a programmable one but it was too big to fit back into the box. Had to settle for a basic dial-type. Any ideas/suggestions?
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #2

    Feb 9, 2012, 07:37 PM
    Be sure to turn off breaker to furnace before starting
    Tag or mark in some way what each color wire as to what post it was removed from so you can put in right place on new tstat

    Good luck
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