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WISY Rainwater Harvesting since 1989

Rainwater harvesting with WISY

WISY AG is a leading manufacturer of all components of a modern rainwater harvesting system. With over 25 years of experience, we manufacture our products in our factory in Hessen Vogelsberg – near Frankfurt. Own development, research and production ensures a high quality in durability and reliability.

In public buildings such as schools, hospitals, offices and football stadiums the WISY products guarantee outstanding rainwater supply. Homeowners will appreciate the easy functionality and low maintenance of WISY rainwater units.

With WISY you make the right decision for quality and long lasting utility!

Products 2016


Pump Controller ZETA 02