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    cwalker's Avatar
    cwalker Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Nov 3, 2007, 02:20 PM
    Replacing Analog Thermostat with Non-Programmable Digital Thermostat
    Replacing Analog thermostat with White, Yellow, Red, & Black wiring with non-programmable digital thermostat Model #RTH3100C.

    Please help!!
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Nov 3, 2007, 04:21 PM
    Where did the White, Yellow, Red, & Black attach to on the old thermostat?

    Here is the wiring for your new stat.

    http://customer.honeywell.com/techli.../69-1891ES.pdf
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