Full double-skin general construction with counterbalanced and thermally insulated door. The tank is entirely press-moulded and equipped with a full-width integral stainless steel surface filter, which, thanks to its large size, avoid debris causing machine blockages. The pressed rack guides have rounded edges. The wash chamber is free of internal pipes, sharp corners and areas where debris may collect. Dishwasher operates at high temperatures, to minimize the heat loss and electricity consumption, the most sensitive areas such as the door, the flanks and the boiler have been insulated with special heat-insulating materials. smartscreen user interface: four soft touch keys combined with large LCD multi-colour control interface provides the user with an easy to understand informative colour changing display indicating the machine status and progress of any current wash cycle. Also further information on wash and rinse temperatures, cycles completed counter and automatic system diagnostics are displayed. All displays are in clear text and icons. Chemical dosing is easily adjusted from the control Interface. Equipped with protected USB port for easy data transfer (up to 150 cycles) as per HACCP protocol. Version 33 D may be combined with osmosis device system WS140.