Øs Varme ØS Alu-18 is a 230 V aluminium-sheathed heating cable rated 160 W over an active length of 9 m, delivering 18 W per metre. The single-conductor cable is intended for embedded installation in concrete or screed for radiant floor heating. Supplied ready to install as a fixed-length coil. Typical applications include small bathrooms, entry mats, and other short runs of electric floor heating.