Fully WaterMark certified
A complete WaterMark-certified whole-home system for Australian plumbing applications.
The right system should be understandable before it is sold. Purenest Australia combines clear advice, documented performance, professional installation and ongoing support so homeowners can make an informed decision.
We start with the property and the outcome the homeowner wants, not with pressure to choose a product. We explain the system, the evidence and the ongoing ownership before a decision is made.

A complete WaterMark-certified whole-home system for Australian plumbing applications.
Installation coordinated with licensed plumbing professionals.
Where performance data exists, the result is presented together with the relevant test conditions.
Standard 20 x 4.5 in cartridge housings support a practical replacement pathway.
Stage-by-stage visual pressure reference supports checking and servicing.
Replacement cartridges and selected serviceable components are supported through Purenest Australia where available.
Full detail lives on the Whole-Home Filtration page; these are the facts the comparison usually turns on.
First-stage filtration for suspended particles such as rust, sand, dirt and silt.
Carbon filtration for chlorine taste and odour treatment together with finer filtration.
Selected for your water and home: anti-scale or resin-based treatment where appropriate. The standard anti-scale configuration is not a traditional ion-exchange softener.
Purenest Australia does not assume Australian mains water is unsafe. Not every property needs the same treatment, and a larger marketing percentage does not automatically mean a better fit for a home.
Our role is to explain what a system is designed to do, what evidence supports it and where the limits are.
The water education hub explains scheme water, groundwater and bore supplies in WA, and what filtration can and cannot change.
Read the water education hubPurenest Australia provides clear written warranty positioning and remains available for servicing, cartridges and selected serviceable components after installation.
Australian Consumer Law rights apply in addition to the written warranty.
Warranty & Support
Serving homes from Alkimos to Dunsborough, including Perth, Mandurah, Bunbury, Busselton, Northam, Collie and surrounding areas. Service availability varies by location and property. Purenest Australia works with local plumbing professionals and supports customers after installation.
Systems positioned around the property, its incoming plumbing and future servicing access.



Purenest Australia publishes customer reviews only where there is a genuine source and permission to use them. Individual experiences vary and are not a guarantee that every customer will experience the same outcome.
Ask these of anyone quoting on whole-home filtration, Purenest Australia included. A company that can answer all ten in writing is a company you can compare properly.
Share the postcode, the property stage and what you would like to improve.
Purenest Australia reviews the property and asks any additional questions needed.
We explain the appropriate system or next step, and why.
You receive clear pricing before deciding whether to proceed.
Installation is coordinated with a licensed plumbing professional.
We remain available for cartridges, servicing and selected serviceable parts.
Tell Purenest Australia what you notice, where you live and what you want to improve. We will help you understand the appropriate next step before you decide.