08-30-2021 08:03 AM
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Original Poster:Glenn Bickford
Where to Connect green 3rd wire in thermostat control box
08-30-2021 08:04 AM
Hi Glenn,
Thanks for reaching out to us and welcome to the community! That's exciting that you've chosen a Nest Thermostat for your home. We'd be happy to help set up your device with you.
Can you provide a picture of your wiring setup? This way, we can double-check your wire ports and see what kind of system you have.
I look forward to your reply and hope we can resolve this together.
-From Garrett DS, Community Specialist.