The Horstmann 425 Diadem Central Heating & Hot Water Programmer Timer Controller is a programmable thermostat made by the renowned British brand Horstmann. This controller allows users to set specific heating and hot water schedules to suit their daily routines and preferences. With its precise programming capabilities, this timer controller helps households efficiently manage their energy usage and maintain comfortable temperatures throughout the home. Perfect for those looking to improve the control and efficiency of their central heating and hot water systems.
