Product Catalogue No. 23 online

Aug, 26th 2019

See our new product catalogue no. 23

IFAT 2018: Thanks for your visit !

May, 19th 2018, Munich

A big thank you to all our visitors from North- and South America, Africa, Asia, Australia, from the Pacific Islands, Germany and Europe! It was a great pleasure to have you on our booth! IFAT 2018 was a great unique experience. Because of YOU!

WISY on South Africas Water Show with Tizagenix

Mar, 27th 2018, Johannesburg, South Africa

WISY-Partner Tizagenix presents innovative products and methods for rainwater harvesting on the Water Show in Johannesburg, South Africa.

ISH 2017: Thanks for your visit!

Mar, 18th 2017, Frankfurt Main, Germany

Certainly, we were able to inspire you with our new LineAr rainwater filter or the proven WISY filter principle. The fine, vertically standing stainless ...

Successfull FILTECH 2016

Oct, 13th 2016, Cologne, Germany

From October 11th to 13th Wisy presented itself at the FILTECH 2016 in Cologne received much international interest.

Visit us at FILTECH 2016 in Cologne!

Sep, 4th 2016, Kefenrod-Hitzkirchen

Visit us at FILTECH 2016 in Cologne!

Hydro-King presents WISY on Construma in Budapest

May, 13th 2016, Budapest, Hungary

Our Hungarian partner Hydro-King presented WISY with a funny booth on the Construma trade fair in Budapest. Have a look:

Only 5 cm height difference: LineAr 100 Rainwater Filter for horizontal pipes

Apr, 13th 2016, Kefenrod-Hitzkirchen, Germany

Sometimes a rainwater filter needs to be integrated seamlessly into a straight piping. Or there is so little space, that it has to be placed directly into the cistern. WISY's new LineAr 100 Rainwater Filter fulfills these requests at a height difference of only 5 cm between inlet and outlet.

New products for the rainwater downpipe: RainCollector RS and RainCatcher RC

Dec, 20th 2015, Kefenrod-Hitzkirchen, Germany

Proven WISY quality combined with unbeatable economy. The new products RainCollector RS and RainCatcher RC were developed with this challenge in mind! Both remove leaves or insects from rainwater and are functionally designed for this basic purpose.

Dr. Tauber, Member of the German Bundestag, visits WISY

Oct, 16th 2015

WISY is working at political level to promote the causes of rainwater harvesting and efficient energy use. Dialog with elected representatives from the German federal and state parliaments is helping us to achieve this goal.

Minister Al-Wazir visits WISY

Aug, 4th 2015

Mr. Al-Wazir took a keen interest in the potential energy savings that can be achieved with the WISY ZETA 02 pump controller. Thanks to this unique device, WISY rainwater units consume virtually zero energy in standby mode.

Product Catalogue No. 21

Nov, 26th 2014

Auflage Nr. 21: Der neue WISY-Produktkatalog zur Regenwassernutzung als PDF-Datei.


Oct, 17th 2014

Der Zisternenrechner ermöglicht es Ihnen die Nutzung von Regenwasser im Handumdrehen für neue und bestehende Gebäuden einzuplanen. Mit diesem neuen Werkzeug von WISY bestimmen Sie anhand weniger, leicht zu ermittelnder Eingabegrößen das korrekte Volumen der Regenwasser-Zisterne und das optimale WISY-Regenwasserwerk.

Standby-Revolution: ZETA 02

Aug, 15th 2014, Kefenrod-Hitzkirchen

wussten Sie, dass herkömmliche Regenwasserwerke im Bereitschaftsbetrieb (Standby) eine Leistungsaufnahme von bis zu 15 Watt haben? Und das Tag und Nacht, 365 Tage im Jahr. Dieser Standby-Verbrauch macht einen großen Teil der zur Regenwassernutzung benötigten Energie aus.

Produkt Catalogue No. 20

Feb, 25th 2014

No. 20 - download PDF here.

WISY is supplying BERLIN with rainwater !