This is the installation and set up of a Haive smart heating system for a boiler and seperate hot water system. For Combi boilers you require a different receiver. These smart system allow control either from the Thermostat contoller, remotely online via a Hive app or with Alexa voice commands.
Installation instructions can be found at https://www.hivehome.com/guides/hive-heating.
You will need to create a Hive account at https://www.hivehome.com/register.