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4-5 inch Convesa KC Increasing Adaptor Single Wall to Twin Wall

4-5 inch Convesa KC Increasing Adaptor Single Wall to Twin Wall

£20.00 inc VAT

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The INCREASING ADAPTOR FROM SINGLE WALL TO TWIN WALL is designed to connect any single skin pipe to Twin Wall insulated flue with a one inch increased internal diameter only. This adaptor can also be situated directly in the flue outlet of your stove if no single skin pipe is to be used. Convesa KC Twin Wall is compatible for use with all solid fuels as well as gas and oil appliances and has a safe distance to combustibles of 60mm. It is also available powder coated to black.


Please see our Technical Information section for easy to understand guides for all the Building Regulations involved with stoves and flues.

For more information about twin wall flue installations, see our guide.

  • Distance to Combustibles: 60mm
  • Brand: Convesa KC
  • Warranty: 12 Years
  • Finish: Stainless
  • Internal Diameter: 125mm
  • External Diameter: 175mm
  • Connections: Push Fit (Does not require locking band)
  • Grade of Steel: 316 Internal, 304 External
  • Thickness of Steel: 0.4mm
  • Insulation: 30mm Compressed Rockwool
  • Temperature Resistance: 600°C
  • Approvals: CE, HETAS, EN1856-1 T600 N1 D V2 L50040 G6