“Does this thermostat require the C wire to work?”

1-5 of 5 Answers

• If you don’t have a C wire, you can use the adaptor that is in the Ecobee box.

  Answered by Brad 8 years ago

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• While I have a ‘C’ wire, the device does come with a little adapter for those who don’t have a C wire (at least my purchase did at a different store)

  Answered by ImStillaYankee 8 years ago

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• Yes, it requires a 24 VAC source to operate. This is two wires in addition to the two wires to operate the heating systems.

  Answered by Nhskier 8 years ago

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• The ecobee 3 lite does not require a C Wire for installation. There are installation instructions in the box, including a device you can install to power the thermostat without the C Wire. The installation instructions are fairly straightforward, and can be downloaded online if you want to check out how to install before you buy...which is what I did.

  Answered by yahootey 8 years ago

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• I just installed mine and I did not have a C wire. The instructions are VERY clear about how to install both with and without a C wire.

  Answered by Zach 8 years ago

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