BWT AQA Nano | 23301

Sale price€1.310,70


Limescale Protection System

  • Basic limescale protection of up to 356 PPM and flow rates of up to 25 litres per minute
  • Stabilises the limescale dissolved in the water - important minerals remain in the water
  • Suitable for 1-3 persons in the household
  • Fully automatic operation
  • Water treatment capacity up to 110 m³

Best limescale protection for drinking water installations

The BWT limescale protection systems such as AQA nano or AQA total Energy use the unique nano-​crystal technology. Tiny nanocrystals are formed which stabilize the limescale dissolved in the water. Therefore, the limescale remains in the water, but cannot be deposited. And all other valuable minerals are retained in the water at the same time. We recommend an installation of the BWT E1 Single-​Lever Filter to help optimise performance of the AQA nano and prevent dust particles like rust and sand from entering the domestic water system therefore providing high-​quality whole house filtration.  This product doesn’t include a pressure reducing valve or other extras that may be needed. Please feel free to CONTACT US in advance if you would like our experienced customer service team to advise you about your specific project.

Installation in domestic water systems

The systems are installed directly downstream of any drinking water filter.

Efficient limescale protection

Thanks to the BWT technology, the pipes remain clear. Limescale in the bathroom or kitchen is easier to remove and household appliances stay protected from limescale for longer.

Mineral-​​rich water

All valuable minerals are retained in the water. With every sip you take you are ingesting valuable calcium and magnesium.

Technical details

AQA Nano
 Item number 23301
Dimensions (W x H x D, mm) 300 x 710 x 290
Household size for up to 3 persons
Assembly Wall mounting
Water treatment capacity ca. 1100 m3
Maximum flow rate 25 l/min
Flow rate  1.5 m3/h
Limescale. Operating pressure (max.) 20 °dH
Energy consumption 0,018 kWh/m3
Operating pressure 16 bar
Power in standby mode 1.8 Wh


BWT quality

Our promise of quality

Made in Austria

BWT limescale protection systems are manufactured to the highest quality standards at the Mondsee site. In addition, BWT is certified in accordance with the strict rules of ISO 9001 and 14001.


BWT AQA Nano Installation Manual

AQA Nano Technical Data Sheet

BWT Alternative Water Treatment

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