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BWT - Perfect Water

BWT AQA therm optimises your heating water for even more efficient heating

Electricity, gas and heating oil prices are likely to go one way only in the future − up! Which is why you should exploit every opportunity to save energy, even when heating water. Your heating system should therefore be filled with the correct type of heating water for it to work as efficiently as possible.
Limescale can build up and form deposits if conventional drinking water is used for filling heating systems, leading to sludging in your heating system and blocked and malfunctioning pumps, mixers and valves. BWT’s solution is the AQA therm heating water protection system:


  • Prevents malfunction from limescale deposits and the build-up of sludge
  • Keeps heating costs down
  • Inhibits flow noise resulting from air trapped in the system
  • Ensures your heating system works more efficiently for longer