![Complete Wisy 4" Overflow Protection Device Pro Version [vNen2VdA]](https://cdn.shopify.com/s/files/1/0026/4654/0361/products/WISY_MULTISIPHON_DEMONSTRATED.jpg?v=1629294565)
![Complete Wisy 4" Overflow Protection Device Pro Version [vNen2VdA]](https://cdn.shopify.com/s/files/1/0026/4654/0361/products/Multisiphoncut600dpitransparent170105-1.jpg?v=1629294636)
![Complete Wisy 4" Overflow Protection Device Pro Version [vNen2VdA]](https://cdn.shopify.com/s/files/1/0026/4654/0361/products/regenwasser-ueberlauf-fuer-zisterne-wisy-multisiphon-mit-anschluss.jpg?v=1629294648)
![Complete Wisy 4" Overflow Protection Device Pro Version [vNen2VdA]](https://cdn.shopify.com/s/files/1/0026/4654/0361/products/MS002_20080428.jpg?v=1629294659)
![Complete Wisy 4" Overflow Protection Device Pro Version [vNen2VdA]](https://cdn.shopify.com/s/files/1/0026/4654/0361/products/4INOVERFLOWDIMENSIONS1OF2.png?v=1629294671)
![Complete Wisy 4" Overflow Protection Device Pro Version [vNen2VdA]](https://cdn.shopify.com/s/files/1/0026/4654/0361/products/4INOVERFLOWDIMENSIONS2OF2.png?v=1629294720)
![Complete Wisy 4" Overflow Protection Device Pro Version [vNen2VdA]](https://cdn.shopify.com/s/files/1/0026/4654/0361/files/IMG_1141.jpg?v=1726575617)
Complete Wisy 4" Overflow Protection Device Pro Version [vNen2VdA]
To prevent backup in the system during heavy rains, the storage tank should always include an overflow protection device. The WISY overflow device has a flapper valve which allows water to overflow but protects water quality in the cistern with back
Secure Shopping
100% Safe Guarantee
Free Shipping
On orders over $30
Money-Back
30-Day Guarantee
To prevent backup in the system during heavy rains, the storage tank should always include an overflow protection device. The WISY overflow device has a flapper valve which allows water to overflow but protects water quality in the cistern with backflow prevention and vermin protection. The overflow device also contains an angled opening to provide skimming of small buoyant debris, such as pollen, on the water surface.
WISY Part Number: US 1002
Literature
What Our Customers Say
Absolutely no complaints!
I'm extremely satisfied with the features.
- Frank Garcia.
Absolutely no complaints!
The material quality is excellent for the price point.
- Piper Watson.
Absolutely no complaints!
A brilliant piece of engineering.
- George King.
