Made from 99.97% Pure Aluminum. High Surface area due to "Micro Fin Technology". "Low Temperature Technology" Heat up quickly and efficiently even at low water flow and low water temperature. Compatible with thermostatic valves, central heating, heat pumps and solar panel heat supplies. Resistance to excess pressure up to 50 Bars. Light weight and easy to install. Equipped with height adjustable brackets. Tested and Certified to BS EN 442 Standards. Distance from Wall to Centre: 60 mm.