Protect your rainwater quality by diverting the most contaminated water that washes off your roof with the first few millimetres of rainfall with a First Flush Downpipe Diverter. Supplied in a kit with:
- T junction
- Ball and drip-drainer
- Chamber pipe
This first flush diverter can be installed on walls, posts, stands or even under your eaves. Simply add a customised length of pipe to divert your desired volume of dirty, contaminated water from each downpipe
Size: 100mm

About Promax
Promax water tanks are built tough for New Zealand conditions, combining strength, durability, and long-lasting performance. The premium corrugated ENDURO range delivers maximum reliability over many years, while the XPRESS range provides the same trusted Promax quality at a more affordable price point.
Available in a wide range of sizes, shapes, and colours, Promax tanks are designed to blend into your property and meet any water storage need – from residential rainwater harvesting to commercial or agricultural use. With options for both above-ground and underground installation, there’s a Promax tank for every project.
Shop the full Promax range at Turfrey – your trusted supplier of water storage solutions in New Zealand.
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