The ESI 2 Channel Programmer ES2247B is a programmable heating timer switch designed for central heating radiators. With a 7-day 5/2 or 24-hour programming capability, this white rectangular-shaped thermostat allows for easy control of your heating system. Powered by batteries and featuring a digital display, this wall-mounted timer switch is compatible with 24-hour heating systems and tank models. The ESI brand ensures quality and reliability in maintaining a comfortable home environment. NO REFUNDS
