Unlock to see our ratings and compare products side by side The primary power for this thermostat is supplied via c wire (24vac ... About The Google Nest Thermostat G4CVZ is part of the ...

Still, the biggest change for installation is that the Nest Learning Thermostat (4th gen) does not need a C wire for power. Instead, it draws power from all the wires to charge the battery.

The Nest Learning Thermostat features a 12-wire backplate, making it compatible with most existing thermostats and HVAC ...