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

    Dec 5, 2007, 05:36 PM
    Electric Hot Water Furnace and zones/theromstats.
    Hi

    I have an electric hot water boiler I believe it is a HYDRA model. It has three zones and I recently replaced the thermostats to Honeywell RTH230B, 5-2 Day programmable. One of the zones, in the basement, is NOT working right. The thermostat is set at 70 F and 60 F. The problem is that the tempature never goes below 70F, in fact, tonight for instance, the temp. was at 76 F and the water starting circulating and heating up the area more. The temp would go up to 79 F before switching off. I hope I have explained this well enough to get some sort of advice because I am at wits end. I don't know if it is the thermostat and why would it call for heat when it already is above the set temp?

    Thanks.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Dec 6, 2007, 08:49 AM
    First thing. Disconnect the thermostat in the trouble area and see if that cures the problem. If it does you have a thermostat problem. If not post back.
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