Radiator connecting pipe made of semi-rigid nickel-plated d12 or d15 copper with 90° press-fit adaptor tee made from non-porous metallised brass, incl. support sleeves with O-rings and steel or stainless steel press-fit sleeves; "not pressed, not sealed" fittings;

Attention! Follow the installation instructions of the screw fitting manufacturers and if necessary use support sleeves for copper connections!