Comes with thermostat screen + backing plate, 2 drywall screws, and optional larger trim piece.
Works with 95% of 24V systems: gas, electric, oil, forced air, heat pump & radiant
Heating: 1, 2 and 3 stages (W1, W2, W3)
Cooling: 1 and 2 stages (Y1, Y2)
Power (C, Rh, Rc)
Fan (including multi-speed) (G or G1,G2,G3)
Humidifier or dehumidifier (HUM, DEHUM)
Heat pump: with auxiliary/alternate and
emergency heat (O/B, AUX, ALT, E)
See Google Nest support documentation for complete compatibility list and installation instructions.