The Honeywell Central Heating Timer Programme ST699B1002 is a wall-mounted, corded electric device designed for use with boilers. It operates at a voltage of 230V and features a timer function for added convenience. Its sleek white design complements any home decor, making it both functional and visually appealing. With its reliable brand reputation and specific model number, this timer programme is a practical addition to any central heating system. changed due to new system installation.
eBay