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No. It comes with a kit that allows this to work if you do not have a c wire. Before installing the kit I would recommend checking inside your wall at the thermostat to see if there is a c wire hiding (happened to me).
Sorry, there was a problem. Please try again later.No, this model comes with a Power Extender Kit for homes without a common wire(C-wire).
Sorry, there was a problem. Please try again later.Yes it does require a c wire. If your unit does not have one it does come with a ac adapter that works fine.
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