EcoHero 4 Stage Reverse Osmosis with Remineraliser - Under Sink

Regular price
$799.00 Incl. GST
Sale price
Now $799.00 Incl. GST
Regular price
Was $999.00
Sold out
Unit price
- +
  • Free Shipping
  • In Stock 7-10 Business Days Delivery*
  • 3 Year Warranty For Parts & Labour*

Key Features

  • Effectively removes fluoride
  • Alkaline water on tap
  • EcoHero-50 membrane for up to 300% improved waste water efficiency*
  • Installs neatly under your sink
  • Watermark Certified
  • NSF 42 Certified components
  • Purified water great for drinking, washing fruit and vegetables, cooking with, tea and coffee, pets’ water dishes, watering plants and more!

Contaminants Removal

  • Unpleasant Taste and Odour
  • Bacteria and Viruses (e.g. E.coli)
  • Parasites and Cysts (e.g. Giardia & Cryptosporidium)
  • Sediment and Turbidity (e.g. sand, dirt and rust)
  • Chlorine and other Disinfection Chemicals
  • Fluoride and other Total Dissolved Solids (TDS)
  • Herbicides and Pesticides
  • Heavy Metals e.g. lead and mercury
  • PFOS and PFAS as found in some fire retardants
  • Volatile Organic Compounds (VOCs) e.g. benzene


*Online price is for supply only – installation is not included.

*This system requires installation by a licensed plumber in order to be covered under our 3 year parts and labour warranty. If located in a serviceable area, Pure Water Systems can organise installation on your behalf.  

*Cartridges may be subject to replacement earlier than the recommended period. This is dependant on individual usage and varying Australian water quality.

Product Description

The EcoHero 4 Stage Reverse Osmosis with Remineraliser – Under Sink system is perfect for those who want to enjoy purified drinking water of the highest quality, conveniently at the turn of a tap.

This system is neatly plumbed under your sink and ideal for pairing with a stylish mixer tap or faucet for an aesthetic and quality kitchen addition.    

Of all methods to purify water, the process of reverse osmosis is one of the most advanced and effective. More than standard water filtration, the intense water purification process of reverse osmosis removes almost all contaminants found in drinking water, including total dissolved solids (TDS).


  • Arsenic - 88%
  • Barium - 96.3%
  • Copper - 98.5%
  • Cadmium - 99.1%
  • Fluoride - 93.6%
  • Lead - 98.6%
  • Selenium - 97.9%
  • Hexavalent Chromium - 96.4%
  • Trivalent Chromium - 98.2%
  • Turbidity - 99.1%
  • Total Dissolved Solids – minimum of 90.8%

Better for the environment (and your home’s water usage), this system is fitted with the Pure Water Systems EcoHero-50 membrane. The EcoHero-50 is the latest in membrane technology, providing up to 300% improved waste water efficiency when compared to rival membranes.

Unlike standard carbon water filtration, the ultra-fine 0.0001-micron EcoHero-50 membrane removes a minimum of 90.8% of total dissolved solids (TDS) from water. This reverse osmosis system significantly reduces organic and inorganic compounds such as fluoride, viruses, bacteria, herbicides, pesticides, nitrates, algae, phosphates and more. The end result is great tasting, healthier and purified drinking water, conveniently at the turn of a tap.

While reverse osmosis is excellent for removing contaminants (such as heavy metals like cadmium, arsenic and chromium), healthy minerals and salts can also be removed leaving your water acidic. As part of this 4 stage reverse osmosis system, the Remineraliser cartridge actually adds healthy minerals back into your water after the intense purification process.

Adding minerals back into your purified water via the Remineraliser cartridge, raises your water’s pH balance to a level considered alkaline. Minerals like calcium, magnesium, potassium and sodium are added for great potential health benefits such as improved gut and kidney health. Calcium, magnesium, potassium and sodium are all minerals that humans need for healthy teeth, bones and overall wellbeing.

More than just great tasting and healthier for you, water produced from this system is great for washing fruit and vegetables, cooking with, tea and coffee, pets’ water dishes, watering plants and more!

The EcoHero 4 Stage Reverse Osmosis with Remineraliser – Under Sink system is Watermark Certified and has NSF 42 Certified components. This system comes ready to install, complete with cartridges and high-quality housing parts and fittings.


* Based on an inlet TDS of 100ppm. Internally tested using Pure Water Systems 4 stage reverse osmosis systems.


Watermark Official NSF Certified % Reductions 

TDS Reduction 90.8%
Copper 98.5%
Arsenic 88%
Fluoride 93.6%
Hexavalent Chromium 96.4%
Turbidity 99.1%
Trivalent Chromium 98.2%
Cadmium 99.1%
Barium 96.3%
Lead 98.6%
Selenium 97.9%

Total TDS Reductions PPM

Inlet TDS Reading 96PPM
Post Membrane Reading 3PPM

* Based on In house testing conducted 29/10/2018, results may vary dependant on water quality.

Remineralising Cartridge Laboratory Test Results*

Reverse Osmosis Purified Water

pH Results 5.8
Calcium 0.1mg/L
Magnesium < 0.1mg/L
Potassium 0.2mg/L
Sodium 0.2mg/L

Reverse Osmosis Purified Water with Remineraliser Cartridge

pH Results 9.7
Calcium 5.8mg/L
Magnesium 1.3mg/L
Potassium 3.8mg/L
Sodium 3.8mg/L

*Test results based on tests conducted 27/8/2018 on a 4 Stage Reverse Osmosis System and a 4 Stage Reverse Osmosis System with Remineraliser cartridge at SAFE Analytical Laboratories QLD.

Remineraliser Specifications

Material Food Grade Polypropylene
Pressure Rating 125 PSI
Temperature Rating < 51.7°C
Dimensions Cap Diameter: 78mm
Housing Lenght: 335mm


4 Stage Under Sink (ROUS4ALK-02) System L=385mm W=130mm H=440mm
Tank H=360mm D=280mm

Eco-Hero-50 Membrane Specifications

Pure Water Systems Membrane Part No. PWS-MEM-50
Membrane Type TLC (Thin Layer Composite)
Flow Rate 50 GPD (190 Litres Per Day)
Rejection % 90.8%
Recovery Rate 50%
Maximum Pressure 100 PSI
Maximum Temperature 49°C
Material Polyamide


Dimensions (H x D) 360mm x 280mm
3.2 Gallon (12 Litre)
Tank Holding Capacity 12 Litre tank with a production capacity of 6 to 8 litres depending on the air pressure in tank, inlet water pressure and also the temperature of the water.

Filter Cartridges

Position Cartridge
Sediment Pre Filter 1 Micron Polypropylene Spun Pre Filter (PWS-P1)
Carbon Pre Filter 5 Micron Modified Moulded Carbon Block (PWS-5+)
Carbon Post Filter GAC Inline (GS10JJ)
Remineraliser Remineralising Cartridge (S-ALK1-U/S)