Flexible flue and chimney liners designed for lining an existing flue or chimney.

Triplelock Plus is a single wall stainless steel flexible flue liner designed for atmospheric gas and kerosene appliances where the flue gas temperature does not exceed 260°C.

Diameter range Triplelock plus 100 – 200mm.

Features

  • High corrosion resistance.
  • Deep corrugations for high crush resistance and better flexibility when installing.
  • Strong seam construction resists the rigours of pulling the liner into place during construction.

Technical Specification

Made from corrosion-resistant 316L stainless steel.
Leak resistant construction due to dovetail folded seam.

Applications

Triplelock is a single wall stainless steel flexible flue liner designed for atmospheric gas and kerosene appliances where the flue gas temperature does not exceed 260°C.

Components & Systems

  • Triplelock is available in drums for diameters 100, 125, 150, 180, 200.
  • Diameters 225, 250 and 300mm diameters are only available in 10m lengths.
  • Drum length 80 metres for 100mm and 125mm, reducing thereafter.

Triplelock is available in packs for 100mm and 125mm diameters in the following lengths:

Length 6 7 8 9 10 11 12 13 14 15
Code 20 23 27 30 33 36 40 43 46 49
Type of Fire Specification Type of Flue Box Flue Type & Size
Radiant Suitable for radiant and convector radiant gas appliances using natural gas or liquid propane Standard
Recessed
VRV T/Wall
VRV S/Wall
GF Box
Diameter 125mm Flex conforming to BS EN1856-2
Diameter 125mm B Vent conforming to BS EN1856-1
Back Boiler Unit Combined Appliances: Gas fires/Back boiler Back Boiler Box for Flex Diameter 125mm Flex conforming to BS EN1856-2
Diameter 125mm B Vent conforming to BS EN1856-1
Living Flame Fires Inset live fuel effect live fires up to 15kw ILFE Box Flex/TecnoFlex Plus Flex conforming to BS EN1856-2 Diameter as per appliance requirement

Downloads

Flexible Liners / Flue Boxes Brochure

Download now (4 MB)

Tripplelock DOP and Approvals

Download now (715 KB)

We also manufacture standard and offset reducers to customers requirement’s.
All our products are Ce Compliant and conform to section J of building regulations.

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