The Google Nest Learning Thermostat (3rd generation) T3028GB is equipped with temperature, humidity and proximity sensors to sense, learn and maintain the desired temperature when you are at home, and to automatically adjust the boilers heat output to save energy when you are away.
The Nest thermostat has a backlit LCD and Wi-Fi connectivity. It has multi-home support, allowing up to twenty thermostats to be deployed to create separate zoning levels that can be remotely controlled from anywhere via phone, tablet or computer.
Furthermore, the Nest Learning Thermostat is compatible with combination boilers, domestic hot water tanks and hydronic underfloor systems.