904 Flue Liner

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£234.59 Inc. VAT
£195.49 Ex. VAT


The range of 904-grade flue liner products we offer consists of adaptors, support components and terminals. 904-grade liner is the highest quality stainless steel chimney liner available. TecnoFlex liners are of 1st-grade stainless steel quality and produced to the highest standards. The liners are designed to withstand high temperatures and have excellent corrosion resistance.

TecnoFlex chimney liner flexibility allows it to be handled and installed with a minimum curve while avoiding any damage to the inside wall of the liner. It is a very flexible flue liner. Incorrect installation of flue liners can result in a faster build-up of soot deposits, and this can increase the chance of a chimney fire, so always ensure the installation is checked and approved. If you are unsure of the product and support components you need, please do not hesitate to get in touch; we will be happy to help. Stainless steel flue liner is suitable for wood-burning stoves, solid fuel appliances,  multi-fuel stoves, gas, oil and open fires.

Manufactured differently than most liners, TecnoFlex stainless steel chimney liner features an unbreakable lock between layers preventing it from pulling apart, and keeps the inside smooth for easy drainage. This layer also prevents soot and tar from building up on the inside of the liner, which could help avoid any blockages.

904 Features

  • Inner Skin Thickness - 0.12mm
  • Outer Skin Thickness - 0.12mm
  • Manufactured to - BS EN ISO 9001-2000
  • Tested and Approved by - TÜV to EN 1856-2
  • Continuous Firing Temp - 600°C
  • CE Mark TÜV Cert No - 0036-CPD-9195 025 Rev 02, Model 2
  • Fuels - Seasoned Wood, Multi fuels, Smokeless Fuels
  • Minimum Lifespan - 20 Years
  • Hetas Approved
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