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904L Mi-FLEX 180mm x 32m COIL (36Z-180-32)

Discover the superior 904L Mi-FLEX 180mm x 32m COIL from National Flues—a premium flexible flue liner designed for robust performance, durability, and safety. Ideal for relining masonry chimneys, this product supports multiple fuel types including gas, oil, coal, wood, and smokeless fuels. Read more...
904L Mi-FLEX 180mm x 32m COIL
IN STOCK
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Now only £3,502.99
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At a Glance

  • Superior double skinned design for enhanced durability
  • Made from high-grade 904L stainless steel ensuring exceptional resistance to heat and corrosion
  • HETAS approved and CE certified for safety and reliability
  • Lifetime warranty available when fitted with Screw-FIX accessories
  • Versatile performance with multi-fuel compatibility including gas, oil, coal, wood, and smokeless fuels

We Won't Be Beaten On Price

At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:

  • Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
  • Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
  • Operational Efficiency: We have streamlined processes to reduce overhead.

Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).

“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.

Have Questions?
Phone: 01670 206999
Email: sales@nationalflues.com

The 904L Mi-FLEX 180mm x 32m COIL is a superior double skinned flexible flue liner designed to meet the demands of modern heating systems. Crafted from high-grade 904L stainless steel, this flue liner boasts exceptional resistance to corrosion and heat. With a 0.105mm smooth inner lining and a convoluted outer layer, it's engineered for optimal performance.

Approved by HETAS and CE certified, this flue liner is perfect for use with gas, oil, coal, wood, and various smokeless fuels. Installation requires careful chimney inspection and sweeping, ensuring the flue liner fits correctly and functions efficiently. Maintenance is straightforward, with annual chimney sweeps recommended for solid fuel appliances.

SKU: 36Z-180-32

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, November 14th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

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Technical Specifications
SKU36Z-180-32
Dimensions180mm x 32m
Material904L Stainless Steel
Inner Thickness0.105mm
Outer Thickness0.105mm
CertificationsHETAS, CE
Fuel CompatibilityGas, Oil, Coal, Wood, Smokeless Fuels
WarrantyLifetime
It is essential to begin installation by performing a comprehensive chimney inspection and sweep to ensure the flue liner fits correctly. Always install from the top of the chimney, ensuring that the arrows on the liner point upwards to guide the correct gas flow. A nose cone is advised to facilitate feeding of the liner down the chimney. If using screw-fix accessories, double-check the compatibility with your existing system. Note that for installations without a suspended cowl, removal of the chimney pot may be necessary. Following these guidelines will optimise the performance and longevity of your new flue liner.

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

Yes, it is approved and listed by HETAS and also holds a CE certification, ensuring it meets stringent safety and performance standards.

The flue liner should always be fitted from the top of the chimney, with the arrows pointing upwards to ensure correct gas flow direction. A nose cone should be used for feeding the liner down the chimney.

For solid fuel appliances, it is recommended to sweep the chimney and maintain it at least once a year to ensure optimal performance and safety.

The liner is made from 904L grade stainless steel which is known for its high resistance to heat and corrosion, ensuring longevity and reliability.

Yes, the 904L Mi-FLEX Flue Liner is designed to be flexible and can be used for relining within a masonry chimney, making it ideal for both new installations and refurbishments.

Before installation, ensure that the liner fits the chimney by testing with a small section, sweep the chimney, and check the chimney pot's condition. If not using a suspended cowl, the pot should be removed.

 

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