The Honeywell T4 Wired 7 Day Programmable Thermostat (T4H110A1021) is a reliable and efficient heating control system for your home. With its sleek square design and easy push-button control style, this thermostat is both stylish and user-friendly. Powered by AA batteries and connected via a 2-wire wire configuration, it is compatible with Combi-Boilers and Gas Boilers, making it a versatile choice for any heating system. Its programmable 7-day schedule allows for precise control over your home's temperature, while the white colour and compact size make it a seamless addition to any room. Trust in the Honeywell brand for quality and performance.