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First Flush Delta Post/Wall Diverter

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  • First Flush Delta Post/Wall (WDPW10)
  • Delta-PostWall-crop-web
  • Delta-PW
  • 100mm-Delta-PostWall-crop-web
  • 150mm-Delta-PostWall-crop-web
  • Delta-PostWall-outlet-on-an-angle-crop-web
  • Delta-PostWall-two-chamber-crop-web
Calculated at checkout

 Product Description

Large volume first flush diversion made easy. The First Flush Delta Post / Wall incorporates a revolutionary chamber design that uses 100mm pipe for simple installation and high volume diversion. Every 1m of Delta chamber = 73 litres of diversion!

Size 100mm WDPW10


First Flush Delta Extra Chamber

Delta High Volume Chamber

Easily divert large volumes of first flush with the Delta High Volume Chamber. Using multiple 100mm pipes to create the diversion chamber, the Delta’s revolutionary design makes installation simple. The Delta chamber is customizable up to 2 metres. Every 1m of Delta chamber = 73 litres of diversion.

For larger volumes, consider the Delta manifold installation configurations.

Delta Postwall Kit

Integrated ball and seat

This unique design ensure that the first flush ball remains close to the seat, even in high flow events, ensuring the diverter seals as soon as the chamber is full. No more lost balls when cleaning your outlet either!


Arv Web Kit

Divert larger volumes

By allowing you to determine the frequency of first flush, the Advanced Release Valve ensures that the Delta’s first flush diversion is optimized. The transparent, rapid release exit funnel reduces build up and blockages while allowing for easy visual inspection.

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