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904L Mi-FLEX 100mm x 44m COIL

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Introducing the 904L Mi-FLEX 100mm x 44m COIL, a superior multi-fuel flexible liner made from durable 904L grade stainless steel. This high-quality product comes with a lifetime manufacturer’s warranty when installed using Screw-FIX accessories, guaranteeing long-term reliability and peace of mind.

£2,537.99 incl VAT

  •   Description  
  •   Product Details  

The 904L Mi-FLEX 100mm x 44m COIL is a double-skinned flexible flue liner specifically designed for relining masonry chimneys. Crafted from high-grade 904L stainless steel, this liner boasts a smooth inner surface and a convoluted outer skin, each with a thickness of 0.105mm. The unique construction, featuring a single strip of steel bent at 180 degrees and closely sealed with a quattrolock seam, ensures maximum durability and safety. Approved by HETAS and CE certified, this flue liner is ideal for use with gas, oil, coal, coke, cured dry logs, peat, and smokeless fuels. Installation is a breeze: simply feed the liner down your chimney from the top, ensuring the arrows indicate the direction of gas flow. Regular maintenance is essential, with an annual sweep recommended for chimneys servicing solid fuel appliances to maintain optimal performance.

  • SKU: 36Z-100-44
  • Item: 904L Mi-FLEX 100mm x 44m COIL 44m DRUM - 100mm (4 inch)
  • Designation:: BS EN 1856-2 T200 P2 W Vm L70011 O
  • Inner Material:: 904L - 0.105mm thick
  • Outer Material:: 904L - 0.105mm thick
  • Fuels:: Smokeless
  • Approvals:: HETAS
  • Manufacturer:: Mi-Flues Ltd
  • Manufacture:: Single Strip
  • Seam:: Omega-Lock
  • Warranty:: Lifetime

What is it for?

The 904L Mi-FLEX 100mm x 44m COIL is designed for relining masonry chimneys, suitable for various fuels including gas, oil, and solid fuels.

Brand Summary

National Flues is a leading supplier of fireplaces and flues, catering to both retail and trade customers across the UK. Known for competitive pricing and reliable delivery, National Flues ensures a seamless shopping experience with secure online payments and trade account options.

National Flues Verdict

The 904L Mi-FLEX 100mm x 44m COIL is a standout product in its category. With its robust 904L stainless steel construction and easy installation, it’s a top choice for both trade and retail customers. At National Flues, we deliver excellence nationwide, offering unbeatable prices and reliable service.

Our Rating
9.8/10

FAQs

The 904L Mi-FLEX is suitable for use with gas, oil, coal, coke, cured dry logs, cured dry peat, and approved smokeless fuels.

Installation involves feeding the liner down your chimney from the top, ensuring the arrows point upwards for proper gas flow. It's advisable to have someone assist from the top of the chimney while pulling the liner down using a secured string.

Yes, the 904L Mi-FLEX flue liner is approved by HETAS and is CE certified, ensuring it meets high safety standards.

Chimneys serving solid fuel appliances should be swept at least once a year. Regular maintenance helps ensure optimal performance and longevity.

Yes, the 904L Mi-FLEX is suitable for a gas boiler, along with other compatible fuels listed.

904L stainless steel provides excellent resistance to corrosion and high temperatures, making it ideal for demanding environments like flue systems.

While basic tools will suffice, it's recommended to use a Nose Cone and a strong, long piece of string for guiding the liner into place efficiently.