COVID-19 UPDATE -Auckland: All stores are closed to the public. Essentials are available online for contactless home delivery. Rest of NZ: Stores outside Auckland are open with extra safety protocols in place. Visit our Covid-19 Update page for details. Trade Customer FAQs here.
First Flush Delta Commercial 150mm and 225mm
The Delta Commercial is available to suit 150mm and 225mm downpipes. Allowing you to enjoy the easy install benefits of using 100mm pipes for the first flush chamber. For larger volumes, consider the Delta manifold installation options
Isolates the first flush of contaminated-laden water from your roof.
High volume chamber uses multiple 100mm pipes for simple installation & high volume diversion.
Advanced Release Valve allows you to program how frequently the first flush chamber empties.