Puretec water filters: the Australian range, what each model does, and where to buy it

Puretec is the brand Australian plumbers tend to recommend, which is both its strength and the reason most shoppers never see it on a shelf. Here is the range as a buyer sees it, with prices from the one mainstream retailer that lists it.

Where you can actually buy Puretec

Not Bunnings. We searched the Bunnings site on 4 October 2026 and the Puretec results were zero; the water filtration aisle is Stefani, Philips, Brita and Aquaport. Puretec’s own site has no shop and sends you to a dealer locator. Specialist water filter stores stock parts of the range, and Amazon AU lists the systems below with Prime delivery. Prices in this guide are from Amazon AU on 4 October 2026.

The range at a glance

Model	Type	What it is	Price
PureMix Z6	Under-sink inline	0.1 micron high-flow inline filter, runs your existing tap	Check price
PureMix X7	Under-sink inline	4-stage 1 micron high-flow inline filter	Check price
WH1 MaxiPlus 20	Whole house	Single 20 inch carbon block stage	Check price
WH2 MaxiPlus 20	Whole house	Sediment then carbon, 20 inch, 60 L/min	Check price
Hybrid G7	Whole house with UV	Filtration plus ultraviolet in one unit, for rainwater	Check price
Sparq H2	Under-bench boiling	Instant hot and ambient filtered water, 0.1 micron	Check price
Softrol SOL40-E1	Water softener	Automatic cabinet ion-exchange softener	Check price

The last three are listed on Amazon AU but we have not written them up as picks: the Hybrid G7 and Softrol are plumber-specified systems where the install dominates the price, and the Sparq competes with Zip and Billi boiling taps, which are sold through plumbers rather than the retailers this site covers. We mention them so you know they exist and roughly what they cost.

Under-sink: Z6 or X7

Both are inline filters: one long cartridge on the cold line feeding your existing mixer, no separate tap, no housing to unscrew. Both are rated high flow, which is the Puretec selling point against the slow trickle of a cheap under-sink unit.

The PureMix Z6 is rated at 0.1 micron, but Puretec calls the rating nominal and lists no NSF/ANSI certification, so treat it as a fine taste, chlorine and sediment filter rather than a proven barrier to bacteria or cysts. On tank water, get the water tested and talk to Puretec about UV. It is sold on Amazon AU, where the Z6-R replacement cartridge is also listed as a compatible, alongside the dearer genuine Z1-series cartridges.

The PureMix X7 is the same idea at 1 micron through four stages. The X7-R replacement cartridge is listed on Amazon AU. For a mains-water household that wants chlorine and taste gone with Australian support, the X7 is the sensible one; the extra spend for the Z6 buys the finer filtration that tank households and the cautious will want.

Neither listing states NSF/ANSI certification. Both are on the WaterMark register (licence 074617, models PUREMIX-Z6 and PUREMIX X7), which the certified Frizzlife units are not, so a licensed plumber can fit the Puretec. What you are buying is the brand’s own testing and a local company standing behind it. Both need a licensed plumber; the under-sink guide covers the rules.

Whole house: WH1 or WH2

Puretec’s MaxiPlus housings are 20 inch, which is the size we recommend for any family home, and the listings state they suit both mains and rainwater supplies with cartridge changes every six to twelve months.

The WH1 is one stage: a carbon block that handles chlorine, taste and odour, with the carbon doing double duty on sediment. It is for a mains-water house that wants chlorine out of every shower.

The WH2 adds a sediment stage ahead of the carbon and is rated to 60 L/min on the listing, which will not choke a large house running two showers and a washing machine. It is the dearest cartridge system we have priced, and it is also the one to buy on tank water, where a sediment stage ahead of the carbon is not optional. Replacement WH2-30 sediment cartridges are sold on Amazon AU, and compatible cartridges cost less.

Both are plumber installs on the mains inlet; our installation guide explains the bypass loop and placement, and the whole-house guide compares them with the Stefani and 3M systems. The WH1 and WH2 are on the WaterMark register too (models WH1-60 and WH2-60, licence 074617).

Puretec against the Bunnings and Amazon alternatives

Need	Puretec	Alternative	Difference
Under-sink, mains water	X7	Frizzlife MK99	Frizzlife is certified to NSF/ANSI 53 but not WaterMark-listed; Puretec’s Z6 and X7 are WaterMark-listed
Under-sink, tank water	Z6	Stefani twin housings, $159	Stefani takes any 10 inch cartridge; Z6 is finer and simpler
Whole house, two stage	WH2	Stefani 20 inch twin, $492, WaterMark	Both are WaterMark-listed; the Stefani is on the Bunnings shelf, and Puretec rates its flow and is a known plumber brand
Whole house, one stage	WH1	3M Aqua-Pure AP903, $564.54, WaterMark	Both are WaterMark-listed; 3M has quick-change cartridges

The pattern is consistent: Puretec costs more and does not put certification numbers on its listings, and in exchange you get a local company, local cartridges and products plumbers know. Whether that is worth the premium depends on how much you value the phone being answered in Adelaide.

The picks

The Z6 is the under-sink unit we would buy from Puretec, especially on tank water. The X7 is the value choice on mains water. The WH2 is the whole-house system for a family home or a tank supply; the WH1 suits a mains-water house that wants chlorine out of the showers and nothing more.

The one trap

Assuming “Australian brand” means “WaterMark certified and NSF tested”. The Puretec listings we read stated neither. The WaterMark register does list the Z6, X7, WH1-60 and WH2-60 (licence 074617, checked 21 October 2026); NSF/ANSI certification is still not stated. Look up every brand on this site in the WaterMark product database before a plumber connects it to the mains: a licensed plumber isn’t permitted to install a filter that isn’t on it.