The Optim 1100mm straight radiator is a medium sized, superior quality steel radiator with a simple, clean design. Finished in white, it offers something a little bit different to a chrome radiator, adding uniqueness and interest. It has a heat output of 508 watts (1733 BTUs), making it perfect for an averaged sized family bathroom or en suite. It conforms to EN442 standards having been tested 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.