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Dialysis water supply

Dialysis water supply, Fresenius Medical Care

Comprehensive water treatment systems for dialysis units

  • Comprehensive range of reverse osmosis systems
  • Individualised water treatment systems
  • High standard of water purification for dialysis
  • AquaA, AquaBplus, AquaC

Dialysis water supply at a glance

In order to ensure the required quality of fluids, our product range includes a variety of systems for different purification stages, such as reverse osmosis systems. The right system can be assembled based on personal preferences and local requirements.

AquaA Product Group

Our innovation meets your evolving needs


AquaA is the advanced system for permeate preparation in a dialysis centre and provides a permeate capacity up to 4,000 l/h.

Advantages of the AquaA:

  • Integrated sample ports for quality assurance procedures
  • Integrated control system before and during dialysis operation
  • Energy- and water-saving operation
  • Remote control
  • Emergency operation
  • Prepared for integration into dialysis and hospital IT management systems


AquaA2 is an additional (second stage) reverse osmosis module for the AquaA, designed to meet higher permeate quality of a modern dialysis centre.

Advantages of the AquaA2:

  • Full redundancy
  • Higher permeate quality
  • Can be operated as a stand-alone unit in case of emergency


AquaHT is a hot water disinfection module designed to be integrated into the AquaA product group. It enables the heat disinfection of modules AquaA and AquaA2 modules.

Advantages of the AquaHT:

  • Integrated heat disinfection of up to 40 HD machines in parallel
  • Heat disinfection is performed automatically and is documented by the system, as specified by ISO 23500-2:2019
  • AquaHT allows for continuous disinfection: a thermal disinfection of the permeate ring can be followed by a subsequent disinfection of the RO membranes


AquaUF is an ultrafiltration module for higher permeate quality.

Advantages of the AquaUF:

  • Increased permeate quality
  • Removal of microorganisms, bacteria and viruses
  • Heat disinfection of the ultrafiltration module
  • Bypass possibility
  • High chemical resistance, double-layered

AquaBplus Product Group

The right fit for your budget


AquaBplus is a basic module for permeate preparation in the dialysis centre.

Advantages of the AquaBplus:

  • Sensors and hydraulic systems are controlled by integrated functional test routines
  • User-friendly interface
  • Upgradable by a range of options
  • Network connectivity

AquaBplus B2

AquaBplus B2 is the second stage of the AquaBplus product group. It is designed to meet the needs and quality standards of a modern dialysis centre.

Advantages of the AquaBplus B2:

  • Both stages can be operated together or individually (for redundancy or higher permeate quality)

AquaBplus HF

AquaBplus HF allows hot disinfection of the permeate loop, dialysis unit tubing and the dialysis units themselves.

Advantages of the AquaBplus HF:

  • Sequential disinfection of up to five HD machines
  • Can be retrofitted
  • Reduction of biofilm formation by permeate ring and connected user points without additional chemical disinfection
  • Continuous monitoring of temperature

AquaC Product Group

When independence matters


AquaC UNO H provides a thermal disinfectable single patient RO.

Advantages of the AquaC UNO H:

  • Significant risk reduction by using hot water instead chemicals for disinfection
  • Heat disinfection of the membrane and the ring
  • Interface heat disinfection in combination with FME 5008S CorDiax HD devices
  • Automated data logging and monitoring
  • Network connection
  • Start/stop communication with HD devices
  • Ring main length up to 20 m


AquaUNO is a mobile single patient reverse osmosis model.

Advantages of the AquaUNO:

  • Automatic rinse cycles
  • Monitoring of cleaning cycles
  • Start/stop communication with HD devices

High flexibility: optional porters for AquaC UNO H and AquaUNO

Porter S - Fresenius Medical Care

Porter S

Porter S with single pre filter - Fresenius Medical Care

Porter S with single pre filter

Porter S with double pre filter - Fresenius Medical Care

Porter S with double pre filter

Porter standard - Fresenius Medical Care

Porter standard

Porter extended - Fresenius Medical Care

Porter extended


AquaWTU is a complete reverse osmosis water treatment system designed to supply up to 5 dialysis machines. The complete system is housed and comprises pre-treatment and reverse osmosis.

Advantages of the AquaWTU:

  • Production of dialysis permeate from drinking water
  • Automatic rinse cycles
  • Programmable start/stop function
  • User-friendly interface
  • Integrated pre-filtration, including softener

If you would like to order this product via the NHS Supply Chain Catalogue, please visit the following link: NHS Supply Chain Online Catalogue

Additional information relating to multiBic or Calrecia can be found in the critical care section of our product information page.

Adverse Events Reporting 

Adverse events should be reported. Reporting forms and information can be found at or search for MHRA Yellowcard in the Google Play or Apple app store. Adverse events should also be reported to Fresenius Medical Care on 01623 445100.

UK/HEMA/FME/0922/0005 Date of Preparation: November 2022

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