This radiator is made of welded steel pipes (Ч 0146), of material DC01 in standard EN 10305-3, EN 10305-5, of “D” profile with dimensions of 30×40 mm, and the ribs are made of round pipes with a diameter of Ø22 mm. Hot water is used as the heating fluid, while heat is transferred by convection and radiation. The radiator has 4 connections of 1/2″ dimension.