WCTNZ® is the Official NZ Agent for GreyFlow™ Greywater Systems by AWWS Advanced Waste Water Systems

GreyFlow™ World Leading Greywater Diversion Technology

✓ Reduce water bills

✓ Use fewer water resources

✓ Irrigate your garden during water restrictions (as land application only)

✓ Decrease demand on energy for sewage transport

All GreyFlow™ Greywater Diversion Devices (GWDD) are WaterMark™ certified and approved

Winner of 2018 Australian Water Association Award for Innovating for Sustainable Water & Environmental Outcomes

If you're looking to enhance sustainability and efficiency in your home, GreyFlow™ greywater filtration systems are your perfect solution. GreyFlow™ systems provide exceptional screening of greywater, removing problematic particulates and ensuring compliance with professional land application field discharge standards through high-reliability dripper systems.

Designed by a qualified hydraulic and wastewater engineer and fully WaterMarked, GreyFlow™ systems have been the gold standard in the Australasian market for over 20 years. Their excellence was recognized with the 2018 Australian Water Association Award for Innovating for Sustainable Water & Environmental Outcomes.

GreyFlow™ offers scalable solutions tailored to your needs, from compact systems ideal for standalone tiny homes to more extensive setups for commercial application. Before installation, be sure to consult with your local authorities to ensure compliance with regional regulations.

Choose GreyFlow™ and join the movement towards a more sustainable and efficient lifestyle.

Greywater systems are great for water recycling and reuse, however, please note that it is not legal to use greywater to irrigate with current NZ regulations.

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