Thermostat not regulating the heat


  #1  
Old 01-18-01, 07:32 AM
Guest
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I have three heating zones in the house that we just bought. The upstairs zone was not responding to the thermostat (Honeywell) - the baseboard heat remained on even when the temperature was above the thermostat setting. I replaced the thermostat, and it worked for a week, but the uncontrolled heat has now returned. Any thoughts? Thanks.
 
  #2  
Old 01-18-01, 02:24 PM
fjrachel
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A zone valve may be open or zone circulator pump may not be shutting off. Which do you have? Type of t'stat? Honeywell makes quite a few. Could have a short in t'stat wire. Your new t'stat may have gone south.
 
 

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