is 254.03 KB, has a resolution of 640x640 pixels and was uploaded on May 22, 2020 @ 2:28 am by user: alicyer. It is filed under the tags: nest thermostat 2nd generation, nest thermostat e, central heating, heater, heat pump. Click the blue button at the top to freely download: Thermostat System Nest Learning Labs Smart (3rd Generation) png.