Skip to content
COVID-19 COVID-19 Updates here

Our stores in Greater Auckland are now open under Level 2 restrictions. All other stores in New Zealand are open under Level 1 restrictions. All of our stores continue to have a comprehensive range of measures in place to keep team members and customers safe.

Plan Ahead Plan ahead - Research online & make a list
Shop Smart Shop Smart - Download our product finder app to minimise time spent in store. Avoid shopping in groups
Physical Distancing Physical Distancing - Maintain 2m between yourself & others
Cashless Payment Cashless Payment - Use cashless payment to minimise contact
Shop online Covid 19 Update
Locating nearby store...
Please enter at least 3 character
Suggested Suburbs
Suggested Stores
Previous Stores
Change Store
  • Isolates the first flush of contaminant-laden water from your roof, by keeping organic and inorganic fine particles out of the rainwater you harvest
  • High volume chamber uses multiple 100mm pipes for simple installation and high volume diversion
  • Transparent, rapid release exit funnel allows for easy visual inspection and draws sediment into the exit flow for reduced buildup and blockages
  • Advanced release valve allows you to program how frequently the first flush chamber empties

First Flush Delta Post/Wall is a large volume first flush diverter that makes installation easy by utilising 100mm pipes for the chamber and incorporates the patented first flush plus tee and advanced
Release valve to optimise first flush performance.

We will gladly assist with returns and exchanges of this product in accordance with our returns and exchanges policy

Returns policy