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316L Mi-FLEX 80mm x 44m COIL (35Z-80-44)

The 316L Mi-FLEX 80mm x 44m COIL from National Flues offers a premium flue liner solution for relining masonry chimneys across the UK. Crafted from durable 316L stainless steel, this flexible and multi-fuel compliant flue liner is ideal for gas, oil, coal, and more. Read more...
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At a Glance

  • Premium 316L stainless steel construction
  • Durable double-skinned design with Omega-Lock seal
  • Versatile for multiple fuel types including gas, oil, coal, coke and more
  • HETAS approved and CE certified
  • Lifetime manufacturer''s warranty when used with Screw-FIX accessories

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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 316L Mi-FLEX 80mm x 44m COIL is a premium double-skinned flexible flue liner designed for relining masonry chimneys. Crafted from high-quality 316L grade stainless steel, both the inner and outer liners boast a thickness of 0.105mm, ensuring durability and long-lasting performance. This flue liner is ideal for use with multiple fuels, including gas, oil, coal, coke, cured dry logs, and cured dry peat.

For added reliability, it features an Omega-Lock seal formed by folding the steel in four planes after bending it at 180 degrees. Approved by HETAS and CE certified, the flue liner meets stringent safety and performance standards. Installation is straightforward, with steps to ensure a secure fit from the top of the chimney, emphasizing the importance of pointing the arrows upwards to match the gas flow.

Regular maintenance, such as annual chimney sweeping, is recommended to ensure optimal performance.

SKU: 35Z-80-44

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.

Technical Specifications
SKU35Z-80-44
Dimensions80mm x 44m
Material316L stainless steel (0.105mm inner & outer layers)
DesignDouble-skinned with Omega-Lock seal mechanism
Fuel CompatibilityWood, Oil, Gas, Low sulphur coal, Coke, Cured dry logs, Cured dry peat
CertificationsHETAS approved, CE certified
WarrantyLifetime (with Screw-FIX accessories)
Installation is straightforward when following our recommended guidelines. Begin by fitting the liner from the top of your masonry chimney. Ensure that the directional arrows are aligned upwards to match the gas flow direction, ensuring optimal venting. Secure the liner using the appropriate accessories, such as Screw-FIX fittings, and remember to attach a piece of string to the Nose Cone to pull the liner down carefully into position. Regular maintenance, including an annual chimney sweep, is essential to ensure longevity and performance. Always refer to the detailed installation manual provided by Mi-Flues Ltd for safety precautions and step-by-step guidance.

The flue liner is constructed from 316L grade stainless steel, with a 0.105mm thick smooth inner layer and an equally thick convoluted outer layer.

Yes, the 316L Mi-FLEX flue liner is suitable for burning gas, oil, coal, coke, cured dry logs, and cured dry peat.

The 316L Mi-FLEX flue liner is HETAS approved and CE certified, ensuring it meets high safety and performance standards.

The flue liner should be fitted from the top of the chimney, with the arrows pointing upwards to match the gas flow. It's recommended to secure a piece of string to the Nose Cone and pull the liner down while feeding it from the top.

Both the inner and outer layers of the flue liner are 0.105mm thick, providing durability and reliability.

Chimneys serving solid fuel appliances should be swept and maintained at least once a year to ensure optimal performance and safety.

Yes, it carries a lifetime manufacturer's warranty if installed with Screw-FIX accessories.

 

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