Hive Thermostat Mini for systems with a hot water tank. hub not included. taken from a working system following a heat pump install. The Hive Mini Smart Thermostat in White is a programmable thermostat compatible with central heating radiators. It features a square-shaped design and can be wall-mounted for easy control. With smart home compatibility with various platforms like Apple HomeKit, Google Home, and Amazon Alexa, this thermostat offers convenient app control and digital display for enhanced efficiency. Powered by AAA batteries, the Hive Mini thermostat from Hive combines sleek design with advanced technology for optimal heating and cooling in your home.