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Product information

  • Delivers filtered water compliant with standards for filling heating systems
  • Ensures that backflow from the heating water does not enter the drinking water system
  • Meets the requirements of ÖNORM (Austrian standards) H5195-1 (: filtered water (25µm) & EN1717: prevents backflow
  • Pressure regulator (pre-set at 1.5 bar, manometer, closing off, insulation shell)
more product details

BWT AQA therm HFB – heating filling block

The AQA therm HFB fills the heating system with 25µm of filtered water in accordance with ÖNORM H5195-1. It also protects the drinking water system from the backflow of heating water into the system, as stipulated in EN1717 for all heating systems. Ideally, the AQA therm HBF should be combined with AQA therm HES (heating softener station).

Main features:

  • Heating filling block
  • Integrated system separator prevents heating water backflow into the drinking water system
  • Integrated filter for filtered water compliant with relevant standards
  • Integrated pressure regulator controlling the pressure (pre-set at 1.5 bar, manometer, closing off, insulation shell)
  • Ideal in combination with AQA therm HES (heating softener station)
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