Hello AT321,
Thank you so much for posting in this community. I understand you have questions about whether your wiring system is compatible with our Google Nest Thermostats. No worries; it’s a pleasure to guide you through.
Based on the information, I can determine that the wiring system is compatible with most of our thermostats. For your reference, please check out this website: Compatibility Checker.
Additionally, unlike most traditional thermostats, Google Nest Thermostats don't require jumper wires. If your current thermostat has jumper wires, do not connect them to your Nest Thermostat during installation. To get more information, please refer to this article: Learn about thermostat jumper wires.
Best regards,
Daniel
