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    bigleg2's Avatar
    bigleg2 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Feb 25, 2012, 07:03 PM
    Honeywell rth221?
    How to install
    bigleg2's Avatar
    bigleg2 Posts: 2, Reputation: 1
    New Member
    		  
    #2

    Feb 25, 2012, 07:18 PM
    I have a round thermostat what do I do change to programmable one
    Httow to change from round thermostat to a programmable honeywell thermostat
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #3

    Feb 25, 2012, 07:22 PM
    What type of heating system do you have? Not all tstats work on all systems. Do you know how many wires come out of your wall going to the old stat, colors too if you know them.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #4

    Feb 25, 2012, 07:27 PM
    I just read your other post. Still answer my question in post #2 but also read this http://customer.honeywell.com/techli.../69-2448ES.pdf
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