Used vertical stainless steel rectangular melting tank with volume 29 l. Rectangular shape. Tank has internal dimensions: 326 mm x 326 mm x 280 / 278 mm depth (from the discharge outlet side). Discharge outlet at wall side, has diameter 25 mm and manually operated valve. Top covered with stainless steel lid. Tank has heating jacket equipped with electrical heater and thermostat. Working temperature of thermostat in range 15-70 C. Tank is mounted on mobile stainless steel supporting frame.