The Flomasta 8mm x 21mm White/Chrome Angled Modern Manual Radiator Valve is a stylish and efficient central heating radiator suitable for both horizontal and vertical radiator orientations. With a BTU heating rating of 2000-2999 BTU and energy efficiency ratio of 3.1-4, this radiator offers effective heating with a modern design. The valve has a timerless control style with a rotary knob, making it easy to adjust the heat output. This hydronic radiator is powered by hot water and includes a thermostat for added convenience. Perfect for adding a touch of sophistication to any room while keeping it comfortably warm.