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Iwan22
Community Member
since ‎12-03-2023
‎12-06-2023

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Existing system has two C wires

12-03-2023
My existing system has two C wires hooked up, what do I use for my new nest learning thermostat? Both? Pick one?Existing system has these wires connected: C, C, Rc, Y, W, Gthanks