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3 inch (80mm) Twin wall flue Dinak DW

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Dinak DW is a class 1 Twin wall flue system manufactured in Europe. This Twin wall flue is suitable for use with wood, coal, gas and oil appliances - Stainless steel - The Dinak Twin wall flue system is also perfect for biomass boiler installations.

  • Push fit jointing system - secures using locking band
  • 10 year warranty
  • 30mm of insulation
  • Internal joint system prevents moisture draw through
  • HETAS listed for use on solid fuel applications

Diameter is internal.

Dinak Twin wall flue stainless and black powder coated systems are fully interchangeable.

Note: For more information see the Twin wall flue Technical Guide.


Boiler adapter (3 inch) - Twin wall flue
£29.95
inc VAT  £35.94
Adapter used to connect your boiler to twin wall flue. Requires a locking band.
Locking band (3 inch) - Twin wall flue
£3.95
inc VAT  £4.74
Locking band is used to connect two pieces together at the join.
90 degree tee (3 inch) - Twin wall flue
£58.95
inc VAT  £70.74
90 degree tee provides cleaning access at the base of the flue. Requires a locking band.
Tee cap (3 inch) - Twin wall flue
£21.16
inc VAT  £25.39
Tee cap is used to close off and provide cleaning access at the base of a tee. Requires a locking band.
Tee cap with drain (3 inch) - Twin wall flue
£30.02
inc VAT  £36.02
Tee cap with drain is used to close off and provide a drain point at the base of the flue. Requires a locking band.

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Our commitment

We pride ourselves on our customer service and aim to get our flexible flue liners and flue liner accessories to you quickly, which is why we keep products in stock.

We welcome trade and retail customers and deliver nationwide from our Nottingham base, East Midlands. Free delivery on most orders.