Twin to Flex Adapter – Twin Wall Pipe 175mm (Stainless)

£66.70 Inc VAT

HETAS approved, black and Stainless Twin Wall flue components and associated parts for creating new internal and external flue systems.

Available in 125mm-200mm internal diameters, all insulated parts feature a 25mm layer of Rockwool insulation, creating a 50mm greater outer diameter and come supplied with a Locking Band where applicable.

Twin to Flex Adapter – Twin Walled Pipe

Adapter to convert from Twin Wall pipes up to Flexible Flue Liner. Typically required for installations where the existing chimney has been removed downstairs and starts from the first floor onwards.

Designation number T450-N1-D-Vm-L50050-G60.

Available in Stainless finish only, 125mm-200mm internal diameters.

This item features a male insulated Twin Wall on the underside, a female Flexible Liner connection on the top and is supplied with a locking band.

Please note – As with all twin wall parts the diameter quoted is the internal diameter – The external diameter is 2 inches larger due to the surrounding insulation.

  • Finish: Stainless
  • Inner Diameter: 175mm
  • Outer Diameter: 225mm
  • Connection: Push-Fit
  • Insulated: Yes (25mm Rockwool)
  • Locking Band Included: Yes
  • Warranty: 12yrs
  • Int / Ext Grade: 316 / 304

Additional information



Flue Diameter


Flue Parts


To Fit

Twin wall pipe