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Single install and cascade flue systems

Flues for commercial boiler systems

  • Designed specifically for Vaillant commercial boilers
  • Flues suitable for single and cascade installations
  • Range of accessories to cater for various requirements


To complement the wide range of wall-hung boilers available, Vaillant offers a selection of flue system components that can be specified according to the requirements of the installation. Vaillant’s proprietary components have been designed to perfectly match each model of boiler and should be used to ensure full compliance with the necessary certification for each installation.