Nest 2 Wire Thermostat

Nest 2 Wire Thermostat. The bottom one shows w,c,r, g, y wire labels, and there is no wire label b. Google is launching a new nest learning thermostat, the 4th generation, nearly a decade after the last one, and it's a big update.

Installing a nest thermostat with 2 wires is fairly straightforward. In this video we teach you how to hook up the nest thermostat with only 2 wires.