Skip to main content
Bunnings

Sign in or sign up

No Bunnings account? Sign up
PowerPass customer?
Visit the dedicated trade website
Lowest Price Policy^
+40,000 Products
0
1/5
Rain Harvesting
Special Order
Rain Harvesting

Rain Harvesting First Flush Boost Expansion Kit

I/N: 0635695

$124.30

How to purchase

Special Order

This item can only be purchased online or in-store from the Special Orders desk. Learn more(opens in a new tab)

Click & Collect

Select a store for availability

In-store

Select a store for availability

Delivery

Enter postcode or suburb for estimate

  • Enhance Water Quality – Increase the volume of diverted water to reduce contaminants and improve the quality of the water captured in your tank.
  • Seamless Integration – The Expansion Kit is designed to be installed during the initial setup, ensuring optimal system performance from day one.
  • Complete Your System – Order the Expansion Kit with your First Flush Boost to maximise the effectiveness of your rainwater harvesting system.
The Expansion Kit has been designed for the First Flush Boost to increase your diversion volume by 20L (5gal) at a time. You can install up to two of them, to bring your total diversion volume to 40L (10gal) or 60L (15gal) total.