The ImProv curved 540 × 600mm chrome radiator is a small, superior quality steel radiator with a simple, clean design. It has a heat output of 244 watts (833 BTUs). It's low height makes it perfect to sit underneath a window in a smaller bathroom. It has been tested to EN442 at a temperature delta of 50 degrees. This type of radiator must be used on closed heating system which contain a rust inhibitor. Radiator valves should be purchased separately if required.