WISY Multisiphon | Drain-Backflow-Prevention

Multifunctional Overflow for rainwater harvesting system
inlet/outlet: DN 100/4"
Material: impact-resitant ABS plastic
Effectively removes surface debris - skimming effect
6 litre water volume
Tilting resistant due to supporting device (support strut)
- Integrated drain-backflow valve
(including protection clamp for connection to DN 100 pipe)

The WISY Multisiphon is a rainwater tank overflow device with skimming-effect to remove fine floating debris such as pollen from the water surface. Equipped with drain-backlow prevention a potential backlog from the stormwater-pipe or mixed drain is unable to contaminate the rainwater tank.