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My a.c. is in heat mode and its on and off and I switch the thermostat off but the ac still runing on and off

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Easy fix is pull dissconnect on ac compressor.Thats the big box outside with fan in it.should have a box next to it where you can pull out handle to cut power.if not check fise box for doubble breaker labled ac.Not a heat pump is it?if it is thenthats a different problem .other easy fix is go into furnace and dissconect wire running to ac.The small one.Finding the cause is pretty advanced trouble shooting

Posted on Dec 31, 2010

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