Owing to their round edges, making them much safer and elegant design. ATOL column radiators are often installed in high-traffic areas in public buildings. The steel columns contribute to the low weight of the radiator. Individual columns consist of a specific number of pipes, as indicated in the radiator's identification. For example: C3 refers to a column made up of three pipes. ATOL radiators feature optimum heating fluid circulation with high heat-transfer efficiency. They are also suitable for low-temperature systems. Their high output makes them a popular and sough-after choice for installation in renovated old residential buildings, while their shape facilitates cleaning and maintenance. Material: tube diameter 25 mm, thickness 1.25 mm Maximum operating overpressure: 1000 kPa (10 bar) Testing overpressure: 1300 kPa (13 bar) Maximum operating temperature: 95 °C Basic color: snow white RAL 9016 Connection threads: 2x G1/2" Width of one element: 46 mm +/- 1.5% Heating output, weight and water volume are given per element, the values must be converted to the number of elements.