Wirquin is an innovative international family group with over 40 years of expertise in plumbing and sanitary products. Our strength lies in our ability to anticipate customer needs and create innovative plumbing and sanitary solutions that make life easier for users and help professionals and installers work more efficiently. We strive to improve the comfort and hygiene of homes but also to limit our environmental impact. We provide smart and sustainable solutions to live better. With over 40 years of expertise in sanitary and plumbing, the Wirquin range of flush and supply valves is compatible with all exposed tanks on the market. Known for inventing dual flushing, all products in the Wirquin range incorporate water-saving options with pre-set flushes 3 liter - 6 liters or with delayed tank filling. The Wirquin F80 is a side feed float valve using a lever arm to close the water supply. The amount of water in the tank can be adjusted with the wheel. Its simple mechanism requires no maintenance and can be adapted to any side feed tank. The F80 supports hard water and works with low pressure at the water supply.