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.