Nest Thermostat 4 Wire Installation

Nest Thermostat 4 Wire Installation. Unlike the nest learning thermostat, the nest thermostat does need a c wire in some setups. You’ll need to check your current thermostat’s wires to tell if your system is nest thermostat compatible, and which thermostat models it will work with.


Nest Thermostat 4 Wire Installation

Connect the wires to your nest thermostat’s base by following the wiring diagram from the nest app. I call it the glass or mirror nest thermostat.

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