Nest Learning Thermostat, 2nd generation, model 02A, with a silver-tone outer ring and black circular display. Includes the thermostat and backer shown. Tested and works. The rear label identifies FCC ID ZQAT20 and specifies Class 2 circuits only, 24V AC, 60Hz, 0.1A.

Preowned with scratches and scuffs on the front, marks on the ring, and dust and wear on the rear housing. Please examine the lower display area and all photos for cosmetic condition and the included components. Original box, instructions and installation tools are not shown.

Google ended Nest and Google Home app connectivity and software support for this generation on October 25, 2025. On-device temperature and scheduling controls remain available, while remote app control and connected cloud features are no longer supported. A practical replacement thermostat for a compatible heating and cooling system. Please verify compatibility with your HVAC equipment before purchase.