Hello Mgreenwo,
Thanks for reaching out to the Google Nest Community Forum. It seems you’re having doubts about determining if your Nest thermostat is compatible with your system. Don’t worry; it’s a pleasure to assist you.
Based on your wiring system description, it appears compatible. You can verify this using this compatibility checker.
According to this tool, the model that’s compatible with your system is the Nest Learning Thermostat.
For detailed instructions on identifying thermostat wires and proper installation, check out this article: Identify a thermostat wire.
Keep me updated if you need more assistance.
Best regards,
Daniel
