Does it require a c wire? null

It does not. That is the main reason for purchasing this model. It figures how much it can draw from the heating or cooling wires before it trips. It uses that draw to power the thermostat. There is also a battery to make up any extra that's needed. I change the battery every eight years just because eight years has passed, not because I needed to. It works best if you have both heating and cooling capabilities, so it can draw from either. The older the furnace, the better, as it takes more to trip on heating or cooling.

No, it does NOT. The product description even says "Common wire (c-wire) is not required in most applications". YouTube videos are very helpful for installation instructions, also.

“Does it require a c wire?”

Asked by jack 3 years ago

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It does not. That is the main reason for purchasing this model. It figures how much it can draw from the heating or cooling wires before it trips. It uses that draw to power the thermostat. There is also a battery to make up any extra that's needed. I change the battery every eight years just because eight years has passed, not because I needed to. It works best if you have both heating and cooling capabilities, so it can draw from either. The older the furnace, the better, as it takes more to trip on heating or cooling.
Answered by brnbrn 2 years ago
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No, it does NOT. The product description even says "Common wire (c-wire) is not required in most applications". YouTube videos are very helpful for installation instructions, also.
Answered by jgsw 3 years ago
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Yes
Answered by Anonymous 3 years ago
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