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904L Mi-FLEX 150mm x 40m COIL

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The 904L Mi-FLEX 150mm x 40m COIL is a top-quality, multi-fuel flexible liner crafted from durable 904L grade stainless steel. This liner is designed to provide a lasting, safe flue lining solution for various fuel types and comes with a lifetime manufacturer’s warranty when used with Screw-FIX accessories.

£1,928.99 incl VAT

  •   Description  
  •   Product Details  

The 904L Mi-FLEX 150mm x 40m COIL is a versatile and durable flue liner designed to fit masonry chimneys. Manufactured with high-grade 904L stainless steel, this double-skinned flexible liner is built to last. It boasts a smooth inner liner and a convoluted outer skin, each 0.105mm thick for enhanced durability. Featuring a unique quattrolock seal, the liner is resistant to corrosion and is CE approved and HETAS listed. Perfect for burning gas, oil, coal, coke, cured dry logs, cured dry peat, and approved smokeless fuels, this flue liner ensures optimal performance and safety. The product comes with a lifetime warranty when installed with Screw-FIX accessories.

  • SKU: 36Z-150-40
  • Item: 904L Mi-FLEX 150mm x 40m COIL 40m DRUM - 150mm (6 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 150mm x 40m COIL is designed for relining masonry chimneys, providing a durable, corrosion-resistant solution suitable for various fuel types.

Brand Summary

National Flues is a leading supplier of high-quality fireplaces and flues across the UK, offering reliable delivery, competitive pricing, and excellent customer service to both retail and trade customers.

National Flues Verdict

The 904L Mi-FLEX 150mm x 40m COIL is a top choice for robust and flexible flue lining. Ideal for a range of fuels, it comes with unbeatable quality and our renowned lifetime warranty. National Flues offers rapid, reliable delivery across the UK and serves both retail and trade customers.

Our Rating
9.5/10

FAQs

904L grade stainless steel is highly resistant to corrosion and extreme temperatures, making it ideal for multi-fuel applications. It ensures longevity and performance in demanding conditions.

Yes, this flue liner is suitable for burning gas, oil, coal, coke, cured dry logs, cured dry peat, and approved smokeless fuels.

To ensure a proper fit, pull a small section of the liner down your chimney before installation. This checks the compatibility of the liner's diameter with your chimney.

The flue liner should always be installed from the top of the chimney. Secure a string to the Nose Cone (sold separately), ensuring the arrows point upwards for correct gas flow. Pull the liner down the chimney using the string, with someone feeding it from the top. Finally, remove the Nose Cone once the liner is in place.

It is recommended to sweep and maintain chimneys serving solid fuel appliances at least once a year or as frequently as necessary to ensure safety and performance.

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

The flue liner comes with a lifetime manufacturer’s warranty when installed with Screw-FIX accessories, covering the lifespan of the appliance it is connected to.