Aquapurion 5-Stage Reverse Osmosis System

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Regular Price $433.26 As low as $259.95

5-Stage Professional Grade System
3 Year Warranty
Full 3/8" Flow From Tank To Faucet
High Pressure Permeate Pump Option
Includes faucet, filters, membrane, and all installation parts

made in usaAquapurion Logo

US Water Systems Aquapurion 5 Stage Reverse Osmosis System - A Cut Above the Rest...

Looking to get the best value from your RO System? Meet the US Water Aquapurion RO. Most other ROs have a 1-year warranty. The US Water Aquapurion has a three-year warranty and is built to last. This is a quality system that uses all NSF and WQA FDA-approved parts throughout. It includes all fitting and the chrome faucet for easy under-sink installation.

  • Full 3/8" Flow From Tank-to-Faucet
  • John Guest 3/8" Tank Valve
  • John Guest Inlet Valve
  • All-American Made Filters and Membrane
  • 3-Year Warranty
  • Upgraded Designer Faucet in Choice of Three Colors
  • 4.5 Gallon Tank
  • High Pressure Permeate Pump Upgrade Option For Houses With IceMakers, Multiple Outlets, Or Installations In Basements, Garages, and Mechanical Rooms

Stages Of Filtration

  • Stage 1 - 5-Micron Sediment Filter: Reduces Dirt, Sand, and Rust
  • Stage 2 - Carbon Block Filter: Reduces Chlorine Taste and Odors
  • Stage 3 - Carbon Block Filter: Reduces Chlorine Taste and Odors
  • Stage 4 - USA-Made RO Membrane
  • Stage 5 - Granular Activated Carbon Final Polishing Filter: Enhances the Taste of the Water

NSF Certified 4.5 Gallon Storage Tank

ADD Permeate Pump Option: All the Features of the Aquapurion... Plus Amazing Pressure!

The US Water Aquapurion 5-StagePermeate Pump RO System has all of the premium upgrades of the standard Aquapurion plus one more big one! If you have an icemaker or want higher pressure for your reverse osmosis system, then this Premium 5-Stage Permeate Pump RO is an incredible solution. Most RO systems lose 30% to 40% of their pressure in the reverse osmosis process but not this one! You wont believe the pressure and volume when you use the non-electric permeate pump reverse osmosis system. This system utilizes all NSF, WQA and FDA Certified components and can be installed neatly under your kitchen sink or remote-installed in a basement or utility room. All filters and membranes are made in USA and the systems includes a John Guest Inlet Valve and Tank Valve.

bpa freeThe Four Main Reasons To Buy the Aquapurion Permeate Pump Reverse Osmosis System

  • The Permeate Pump RO makes water twice as fast as an ordinary RO
  • The Permeate Pump RO makes higher quality water than an ordinary RO
  • The Permeate Pump RO wastes 80% less water than any ordinary RO
  • The Permeate Pump RO delivers the highest pressure at the faucet of any RO - Ideal for ice-makers that need pressure.

Completely BPA-Free

The BPA scare was directly due to information coming from some polycarbonate plastic materials. These are the hard shatter-resistant clear (or colored) drinking water bottles and things like baby bottles. Typically you will not see any BPA in plastics like polypropylene or PE as it is not one of the plastics used in the processing of the material. NSF does scan for BPA, so if there was elevated levels in the product it would fail the material extraction test.

Removes or Reduces the following

Typical Contaminant Removal

  • Arsenic
  • Barium
  • Cadmium
  • Chlorine
  • Copper
  • Cryptosporidium
  • Cysts
  • Fluoride
  • Giardia
  • Lead
  • Prechlorate
  • Radium 226/228
  • Selenium
  • TDS
  • Toxoplasma/Entamoeba
  • Turbidity
  • Hexavalent Chromium (6)


  • 3-Year Warranty (excludes filters, membrane is pro-rated)
  • Utilizes ALL NSF & FDA Approved Components
  • 4.5 Gallon NSF Certified metal tank with NSF liner (BPA Free)
  • NOTE: Tank can lay on its side
  • Utilizes Quick-Connect (Push-in) Fittings
  • Includes Automatic Shut-Off Valve (ASO) to shut down system when tank is full

Includes Everything for Under-Sink Installation

  • All Filters and Membrane
  • All Tubing
  • All Fittings Necessary for Installation
  • Tank Shut-off Valve
  • Chrome, Brushed Nickel, or Oil Rubbed Bronze Lead-Free Non-Air Gap Faucet
  • All Fittings Necessary for Installation
  • Installation Manual
  • On-Line Installation Videos
  • Telephone Tech Support 6 days a Week

additional information

DimensionsRO Module: 16" w x 19" h x 7" d RO Module (with permeate pump): 16" w x 19" h x 8" d Tank: 11" d x 16" h
Warranty3 Year Warranty
ManufacturerUS Water Systems
More Information