Particularly efficient, universal application. In cooperation with Viega, Villeroy & Boch has developed an innovative water distribution system that, thanks to the perfectly coordinated technology of WC and frame system, enables a water saving of more than 40%. A DIN 90/80 drainage pipe is the only prerequisite for extremely economical flushing. GREENGAIN is thus regarded as the perfect solution for new buildings and comprehensive renovation projects and, thanks to the adjustment option, can be used with an economical 4.5 litres and also a conventional 6 litres of water.
