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Old 04-16-2009, 04:01 PM  
Chris Klinzing
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Join Date: Apr 2009
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Default Wall heaters keep running

I have 5 walls heaters connected to 1 thermostat that heat my living room, dining room, kitchen & family room. Last week the heaters all of a sudden would not stop running no matter what the setting on the thermostat, even 40 degrees. I replaced the thermostat with a new one but they still just keep running, wiil not shut off. The only way I can shutting them off is by stutting off the breakers.
Anyone have any ideas?
Thank You

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Old 04-16-2009, 08:02 PM  
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Welcome Chris:
The thermostat wire may be shorted somewhere along the line. Check it with an ohmmeter for continuity.

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Old 04-17-2009, 12:03 AM  
triple D
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Default hey neighbor!

Welcome Chris...I'm hoping when you changed the thermostat you found some 18ga low voltage wire hooked to it? Five heaters should be on a relay in a closet or attic, and you probably had to turn off two or three breakers before they all shut off? I am just guessin here, maybe the relay is stuck, closed, (failed) let us know what you found out, with these things....
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Old 04-19-2009, 06:01 AM  
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Did the heaters shut down when the thermostat was disconnected? If so, the aforementioned short circuit in the control leg is probable.
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