Structural Locking Band – Twin Wall Pipe 125mm (Black)

£28.49 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.

Structural Locking Band – for Twin Walled Pipe

Sturdier Locking Band for added stability between twin wall pipes, ideally suited where Wall Brackets cannot be applied, such as rising above the roof.

All items designed to secure or fit around the flue pipe measure wide enough to accommodate the larger outer diameter of twin wall flue. Please see data below for exact diameters.

Available in Stainless and black finishes, for 125mm-200mm internal diameters.

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

  • Finish: Black
  • Suitable for: 125mm Twin Wall
  • Actual Diameter: 175mm
  • Connection: Tightens around pipe
  • Insulated: No
  • Warranty: 12yrs
  • Grade: 316

Additional information



Flue Diameter


Flue Parts

Locking band

To Fit

Twin wall pipe