Furnace keeps running


Old 10-19-13, 07:21 AM
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Join Date: Oct 2013
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Furnace keeps running

Our oil furnace keeps running, even after the house thermostat reaches temp. Is it possible we need to just replace thermostat or could it be something more detailed. Thanks so much!
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Old 10-19-13, 07:39 AM
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Welcome to the forums.

We need some more information.

Does your system have multiple zone valves and thermostats ?
If it does..... check and make sure they have returned to the closed position. If stuck open that can cause boiler to keep running.

If there is only one thermostat try removing it from the base or remove the W wire from the back of it.

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