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WaBack® Non-return chamber

The WaBack non-return chamber is a tried-and-tested product that provides immediate and automatic protection against backflow. The product is usually used as protection against basement flooding, and is fitted to service pipes and pipe networks. 

Technical specifications

WaBack is made of resistant materials: PE, EPDM and stainless steel. A standard WaBack chamber comprises a chamber with a backwater stop and a sealing ring for the corrugated PP shaft. 

Common installations: 

  • In sewers
  • In outlets for surface water
  • In overflow and emergency drains

The product is available as standard for pipes from NPS 4" to NPS 12". We also customise in accordance with the customer's requirements.  


Drawings and technical specifications

We at Wapro believe in opportunities. By being an open organization, we can learn from our customers and share our experiences. Below you will find all the information about our products and also other useful and interesting information. Contact us if you are missing something.



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Contact Richard Neal for more information
Richard Neal
South East Regional Sales Manager

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