SFA > Products > Rainwater Harvesting Systems Rainwater Harvesting Systems Sanirain: rainwater managers for efficient and safe non-potable water supply.With Sanirain, SFA Export offers solutions for the use of rainwater in buildings.These rainwater managers enable non-potable water supply to installations such as toilet, washing machines, or water points for irrigation and floor cleaning.In case of an empty supply tank, the system automatically switches to the drinking water network, ensuring continuity of service.Thanks to their ease of installation and automated operation, Sanirain devices not only ensure optimal management of rainwater but also complete disconnection between the drinking water network and the non-potable water network, in order to comply with health standards (EN 1717). Result (2) Sanirain 4Automated rainwater management system for clear water and rainwaterSanirain 6Automated rainwater management system for clear water and rainwater Find out more Learn more See more Arrow Quality Buy with confidence Made in France Made in France Many products have received the Made in France label. Extensive support Performance and Reliability Technologies and materials that ensure efficiency and longevity. Extensión de Garantía Warranty Up to 2 years warranty. Extensive support Extensive support A network of repair technicians. Expertos Desde 1958 Experts Since 1958 Creator of the Sanibroyeur macerating toilet.