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

    Feb 8, 2007, 05:29 PM
    Thermostat won't work? Or is it something else?
    Hi, I have multi-zone heating in my house. This morning the kitchen zone was not running. The heat worked in all the other zones. This is an old house with old thermostats-
    The kitchen thermostat had been knocked into... so I thought that perhaps I needed to replace the thermostat. I replaced the old round one with a honeywell RTH110B. Both the old and the new needed only two wires-so it SEEMED simple enough to do. The only problem is-there is still no heat. (hot water heat) The rest of the house is fine/and there is plenty of hot water... any suggestions? Thanks for the help
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    Feb 8, 2007, 06:04 PM
    The thermostat controls a solenoid valve that opens and closes allowing water into your zone. Use a muiltimeter and confirm that the valve is getting power to open it. Test your other valves so you know what a good reading looks like. If your power is Ok but the valve is not opening you may need to replace the solenoid.
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