Welcome to WISY
The careful use of our natural resources is the key to sustainability and environmental protection. Our aim is to make rainwater available to everyone as a decentralised water source. For this reason, you will find specially customised, high-performance products for private and commercial use in our range.
Recommendations
A selection of our product range
Product overview
Our product portfolio
We are your right contact for:
Rainwater filter
All WISY filters are low-maintenance and self-cleaning. Due to the vertical filter mesh, potential dirt is easily flushed away and solids stay out of your rainwater system.
More infoPumps & Pump controller
Suction and pressure pumps perfectly designed for transporting rainwater. Powerful and 97 % more economical in standby consumption thanks to the WISY pump controller!
More infoFloating suction filters
Suction filter that floats automatically and extracts rainwater at the cleanest water depth. Made of stainless steel, they withstand heavy use. Protects pump and rainwater unit.
More infoRainwater units
The rainwater unit draws water from the cistern. If the cistern is empty during dry periods, it automatically switches to using tap water. Rainwater units guarantee an uninterrupted supply of service water
More infoRainwater storage tanks, cisterns & rain barrels
The cistern for storing collected rainwater is an important component of the rainwater system. WISY offers you the right choice of storage tanks.
More infoBreak tanks and mains water top-up systems
We have the right break tanks and mains water top-up systems to safely separate process water from the public supply network for commercial or industrial use.
More infoCommercial & Industrial Filters
All our products are also suitable for robust and reliable use in industrial applications . Our rainwater filters are available in specially customised versions on request
More infoRainwater
Overflows
WISY offers a multifunctional overflow. Optionally with various options, e.g. backwater protection and vermin guard.
More infoSince 1989: WISY quality
Made in Germany
In many countries, tap water is monitored and treated to ensure drinking water quality at all times. However, a significant part of it is used for applications which do not require drinking water quality such as e. g. flushing toilets.
Therefore, we have specialised in developing first-class technology to make rainwater available for a wide range of applications. With our help, you can reduce your water costs and make a valuable contribution to protecting the environment.
References
A selection from our worldwide projects
Google Headquarters
New York, USA