Thread: Which Wifi thermostat?
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      07-15-2018, 11:09 AM   #54
WingZeroX5
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Quote:
Originally Posted by dinonz View Post
Mine does not.
Nest has an internal battery. The C wire from your HVAC controls is tapped into a 24v supply to keep the battery charged. Remove the C wire and see what will happen in a day.
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