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904L Mi-FLEX 180mm x 32m COIL

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. Enhance y... More...
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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
Now only £2,591.49
Including VAT & Free Delivery Buy with confidence. If you find this cheaper within 48 hours of checkout, we'll refund the difference.

 

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

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Have Questions?
Phone: 01670 206999
Email: [email protected]

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

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.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, April 3rd. If you need faster stove or fireplace delivery please give us a call. We can often reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

Warranty & Returns +

All our products come with warranties. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

Price Match Guarantee +

We will match any price like for like. If you find it cheaper within 48 hours, we'll refund the difference.

Read our buyers guide for this 904L Mi-FLEX 180mm x 32m COIL

National Flues Ltd Verdict

The 904L Mi-FLEX 180mm x 32m Coil is a top-tier choice for reliable and durable flue liners. Praised for its robust construction and lifetime warranty, this product ensures your chimney systems function efficiently. As always, National Flues offers nationwide delivery and services both retail and trade customers.

The 904L Mi-FLEX 180mm x 32m Coil is designed to provide a flexible and durable solution for relining masonry chimneys, suitable for various fuel types.

National Flues is a leading supplier of high-quality fireplaces and flues, catering to both retail and trade customers across the UK. Renowned for competitive pricing and reliable delivery, National Flues ensures that every product meets the highest standards of performance and safety.

 

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Secure your 904L Mi-FLEX 180mm x 32m Coil today for reliable performance and enduring quality.

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