Stainless steel outer shells and feet. Height of the work surface adjustable from 840 to 900 mm. Tops with a thickness of 2 mm. Available with iron, and stainless steel tanks . Robust, double-walled, self-balancing lids made of stainless steel to reduce heat loss. Water loading via solenoid valve. Cooking temperature controlled by thermostat with adjustment from 100 to 280°C. Heating via armoured incoloy heating elements.