Specifications and features *Temperature control by tension thermostat. *Protection of the heating element by over-temperature cut-out. *The openings in the lid are covered by heat-resistant plastic 6-part ring sets. *Bath interior, heating element, frame with openings and 2-part perforated floor plate above the heating element are made of stainless steel. *Housing made of electrolytically galvanised sheet steel, powder-coated. *Adjustable water level regulator available as a standard scope of supply.