The primary power for this thermostat is supplied via 24 vac source. A "C" wire is required ... About The Trane XL624 Control is part of the Thermostats test program at Consumer Reports.

The Tado° Wired Smart Thermostat Kit V3+ comes with the Tado° app, so you can easily control your heating while you’re on the go. It also contributes to reducing energy and saving you money on ...