If by "proper piece" you meant a specific replacement part like the or trim kit , these are sometimes available separately at Best Buy or through the Google Store's replacement part page , though individual bases are frequently out of stock.
Google Nest Learning Thermostat with Nest Temperature Sensor Dell& more Go to product viewer dialog for this item. where can you buy nest thermostat
This is the flagship model that includes the Nest Temperature Sensor (2nd gen). It is available at Target and Best Buy for approximately $279.99 $229.99–$235.00 when on sale. Google Nest Programmable Smart Thermostat Go to product viewer dialog for this item. If by "proper piece" you meant a specific