Delonghi towel rails are functional and aesthetically pleasing. Special sheet metal with a deep stamping thickness of 1.25 mm. All Delonghi radiators are tested at a pressure of 13 bar to ensure proper operation at 10 bar. Maximum operating temperature of 110 degrees Celsius. Thermal performance of radiators is measured in watts, according to EN 442 standards. The rounding of the corners and the length of the grille openings are limited to 8 mm.