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

    Sep 21, 2011, 07:04 AM
    How to replace 1E56W309 White Rodgers old thermostat with Honeywell RTH4300
    Hi
    How can I replace old 1E56W309 White Rodgers with Honeywell RTH4300 thermostat in terms of wiring as there is Blue and White wire terminals on old thermostat whereas new one needs WH, YL, GRN,RED wires. Can some one guide me please...
    rodri's Avatar
    rodri Posts: 48, Reputation: 8
    Junior Member
    		  
    #2

    Sep 21, 2011, 02:05 PM
    How many wires does your old T. STAT has?
    rodri's Avatar
    rodri Posts: 48, Reputation: 8
    Junior Member
    		  
    #3

    Sep 21, 2011, 02:07 PM
    How many wires does your old T. STAT has?
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