CONCEALED MODULES / BENEFITS / 5-year warranty on the cistern of the concealed module. 10-year warranty on the frame of the concealed module. Flushing mechanism with a 6-litre or 3-litre water volume option. Factory setting for the concealed module is 3l/6l. Flushing mechanism with a 2-litre or 4-litre water volume option. Economic flushing mechanism with a 4,5-litre or 3-litre water volume option. Load capacity of the module is tested at 400 kg. Construction of the module saves on space.