TE223 Series is one of our latest editions to our range of thermostatic heating elements for towel rails featuring a 1 to 5 hours booster/timer. It is packed with features such as anti-freeze protection, 1/5hrs booster timer, open window detection, radiator water temperature control, and safety thermal fuse. It is available in polished chrome, anthracite, and white finishes with 300 or 600 wattage options.