Thermogroup 12V Single Square Heated Towel Rail 832mm Matte BlackA Heated Towel Rail is an affordable luxury for every bathroom. The Thermorail single bar towel heaters are designed to be installed in a set of rails to create a stylish design feature in your bathroom. The Thermorail single bar heated towel rails are all 12 volt which means they are safe to be installed anywhere in the bathroom, even close to water. The single rails are designed to be installed in a series of rails limited only by your imagination.