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904L Mi-FLEX 125mm x 1m CUT LENGTH
Discover the exceptional 904L Mi-FLEX 125mm x 1m flexible flue liner at National Flues. Crafted from high-grade 904L stainless steel, this flexible, double-skinned flue liner is engineered for reliability and efficiency in relining masonry chimneys. As a trusted product in chimney relining solutions... More...
Discover the exceptional 904L Mi-FLEX 125mm x 1m flexible flue liner at National Flues. Crafted from high-grade 904L stainless steel, this flexible, double-skinned flue liner is engineered for reliability and efficiency in relining masonry chimneys. As a trusted product in chimney relining solutions, the 904L Mi-FLEX meets strict HETAS and CE standards, making it an ideal choice for both residential and commercial applications. National Flues provides quality, durability, and safety with every product, ensuring your chimney operates at peak performance. Less...
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At a Glance
Premium 904L stainless steel construction | Double-skinned with 0.105mm thick inner and outer layers | Optimised flexible design for relining masonry chimneys | Omega-Lock (Quattrolock) seam for an airtight join | HETAS and CE approved for safety and compliance | Lifetime warranty when used with Screw-FIX accessories
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£31.49
Including VAT
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.
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.
The 904L Mi-FLEX 125mm x 1m flexible flue liner by National Flues combines durability and versatility, making it perfect for relining masonry chimneys. Crafted from high-grade 904L stainless steel, this double-skinned flue liner boasts a smooth inner surface and a convoluted outer skin, each 0.105mm thick, ensuring both robustness and flexibility. Its unique quattrolock seam design provides an airtight seal.
Suitable for a wide range of fuels including gas, oil, coal, coke, and approved smokeless fuels, this liner meets stringent HETAS and CE standards. Installation is straightforward, but must always begin from the chimney's top, and thorough cleaning and inspection are recommended for optimal performance.
SKU: 36Z-125-1
Technical Specifications
SKU
36Z-125-1
Material
904L Stainless Steel
Inner Material
904L - 0.105mm thick
Outer Material
904L - 0.105mm thick
Flue Diameter
125mm
Length
1m (Cut Length)
Seam
Omega-Lock / Quattrolock
Fuel Compatibility
Gas, Oil, Coal, Coke, Smokeless Fuels
Approvals
HETAS, CE
Manufacturer
Mi-Flues Ltd
Warranty
Lifetime with Screw-FIX accessories
Installation of the 904L Mi-FLEX flue liner must always start from the top of the chimney. Ensure that the chimney is thoroughly cleaned and inspected before installation. The liner should be fed from the top using a proper Nose Cone attached with a string, while an assistant feeds the liner from the top. It is crucial to follow the installation guidelines provided with the product and to use appropriate accessories such as Screw-FIX fittings to ensure a secure and safe installation. Additionally, check for any obstructions or deteriorations in the chimney structure before proceeding.
The flue liner is made from high-quality 904L grade stainless steel with a smooth inner surface and a convoluted outer skin, each 0.105mm thick.
The 904L Mi-FLEX flue liner is suitable for burning gas, oil, coal, coke, cured dry logs, cured dry peat, and approved smokeless fuels.
Installation must always begin from the top of the chimney. Ensure the arrows on the liner point upwards, attach a Nose Cone with a string to pull it down the chimney, and have someone feed the liner from the top.
Yes, the 904L Mi-FLEX flue liner is approved and listed by HETAS and also has CE approval.
For optimum performance and safety, chimneys serving solid fuel appliances should be swept and maintained at least once a year.
Yes, but ensure your chimney pot is in good condition. If not using a suspended cowl, the pot should be removed from the stack during installation.
The quattrolock seal is a design feature where the steel strip is bent at 180 degrees and folded in four planes, creating a secure, airtight seam.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Wednesday, April 2nd.
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 125mm x 1m CUT LENGTH
Comprehensive Buyers Guide for the 904L Mi-FLEX 125mm x 1m Flexible Flue Liner
The 904L Mi-FLEX flue liner is a state-of-the-art solution for relining masonry chimneys, designed to offer superior performance, durability, and safety. In this guide, we will explore every aspect of this high-quality product, discuss its benefits, and answer some of the most frequently asked questions. Whether you are a homeowner or a professional installer, you will find the information you need to make an informed decision.
What Makes the 904L Mi-FLEX a Top Choice?
Durability and Reliability: The use of premium 904L stainless steel in both the inner and outer layers (each 0.105mm thick) ensures that this flue liner stands up to the demands of modern heating systems. Its double-skinned design not only provides robust construction but also excellent resistance to heat, corrosion, and physical wear. With this resilient construction, you can be confident that your chimney will remain safe and efficient for many years.
Flexibility and Ease of Installation: One of the standout features of the 904L Mi-FLEX is its flexibility. Unlike rigid flue liners, this product bends easily to accommodate the natural curves and bends of masonry chimneys. The installation process is simplified by starting from the top, where the liner can be effortlessly fed down the chimney using a Nose Cone and a guiding string. This ensures a smoother installation process and minimises potential issues during setup.
Enhanced Sealing with Omega-Lock Technology: The innovative Omega-Lock (or Quattrolock) seam design is integral to the product, ensuring an airtight seal throughout the length of the liner. This design helps in retaining heat, improving the overall efficiency of the chimney, and reducing energy costs. For many homeowners, this translates into a more cost-effective heating solution.
Safety and Compliance
When it comes to chimney installations, safety is paramount. The 904L Mi-FLEX flue liner is CE and HETAS approved, which means that it adheres to the highest safety standards in the UK. Such certifications are not only a testament to the quality of the product but also provide you with peace of mind knowing that your installation complies with national regulations. It is essential to choose products that not only perform well but are also backed by recognised certifications.
Technical Specifications and What They Mean For You
Understanding the technical specifications can help you appreciate the engineering behind the 904L Mi-FLEX. It is designed with a 125mm diameter, making it suitable for a variety of fuels including gas, oil, and even solid fuels like coal and coke. The precisely engineered 0.105mm thick material ensures durability and flexibility. These specifications are essential for both safety and performance, ensuring that the liner accommodates different types of installations without compromising on quality.
Installation Tips and Best Practices
Proper installation of the flue liner is critical. Here are some key points to consider:
• Always start installation from the top of the chimney, ensuring that the liner is fed smoothly into place.
• Use a Nose Cone attached to a guiding string to assist in the installation process.
• Inspect the chimney thoroughly before installation, ensuring that there are no blockages or structural weaknesses.
• Employ optional accessories such as Screw-FIX fittings to secure the liner in place. These accessories can significantly enhance stability and safety, reducing the risk of future maintenance issues.
Addressing Common Concerns
Q: Can I use this liner with my existing chimney pot?
A: Yes, the 904L Mi-FLEX is compatible with existing chimney pots; however, ensure that the pot is in good condition. Removing or replacing the pot may be necessary if it is compromised.
Q: How often should I perform maintenance on my chimney?
A: Regular cleaning and inspections are recommended at least once a year, especially for chimneys serving solid fuel appliances, to maintain optimal performance and safety.
Q: What if my chimney has bends or complex curves?
A: The flexible nature of the 904L Mi-FLEX means that it is ideal for installations in chimneys with bends. Its design allows it to conform to a variety of shapes without losing its structural integrity.
The Value of Optional Accessories
While the 904L Mi-FLEX flue liner is engineered for high performance, its true potential is unlocked when paired with the proper accessories. For example, Screw-FIX accessories are specifically designed to work with this liner, providing extra support and a secure fit. Investing in these complementary items ensures that your installation is not only efficient but also safe and long-lasting.
Why Choose National Flues?
National Flues stands out as a leader in the chimney and flue liner market. Our commitment to quality, customer satisfaction, and competitive pricing has earned us a reputation as a trusted supplier across the UK. With the 904L Mi-FLEX, you are not only purchasing a high-performance product, but you are also investing in the expertise and reliability that National Flues is known for. Our comprehensive support and nationwide delivery service make the buying process hassle-free and ensure you have the right products when you need them.
In conclusion, the 904L Mi-FLEX 125mm x 1m flexible flue liner is a wise investment for anyone looking to upgrade or renovate their chimney system. With its robust construction, innovative sealing technology, and easy installation process, this product is designed to deliver superior performance while meeting strict safety standards. Optional accessories like Screw-FIX further enhance its benefits, making it a complete package for your chimney relining needs.
Add this reliable and efficient flue liner to your home improvement project and experience the difference that quality makes. Buy now or call 01670 206 999.
National Flues Ltd Verdict
The 904L Mi-FLEX 125mm x 1m Flue Liner is a top-tier choice for both retail and trade customers. It's rare to find such high quality at a competitive price, coupled with our reliable nationwide delivery.
The 904L Mi-FLEX 125mm x 1m flue liner is designed for relining masonry chimneys to improve safety and efficiency when burning various fuels.
National Flues is a leading supplier of high-quality fireplaces and flues across the UK, renowned for competitive pricing, reliable delivery, and extensive support for both retail and trade customers.
Invest in unmatched quality and safety – order your 904L Mi-FLEX today!
