My existing thermostat has an X2 and a T wire, in addition to a R, O, G,
Y, B, and W. Any assistance you could provide to a first generation Nest
thermostat would be appreciated as to connection of the wires.
Hi Manuel, Thank you for your reply. Yes, I am planning on connecting
with a Nest thermostat 1st Generation that I purchased a few years ago
and never used. I have attached a photo of the existing thermostat’s
wiring. If you are able to help, that wo...
