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904L Mi-FLEX 150mm x 1m CUT LENGTH (36Z-150-1)
The 904L Mi-FLEX 150mm x 1m Flue Liner by National Flues is a premium quality, multi-fuel flue liner ideal for relining masonry chimneys. Crafted from superior 904L stainless steel, this flue liner meets UK safety standards with HETAS and CE approval, ensuring both durability and efficiency. Perfect for gas, oil, and solid fuel applications, it delivers reliable performance and is an essential upgrade for modern heating systems.
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£35.99
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At a Glance
Made from high-grade 904L stainless steel for superior durability
Double-skinned design with 0.105mm thickness on both inner and outer layers
HETAS and CE approved for safety and quality assurance
Suitable for multi-fuel applications including gas, oil, coal, coke, cured dry logs, and smokeless fuels
Lifetime warranty when paired with our Screw-FIX accessories
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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 150mm x 1m Flue Liner from National Flues is a double-skinned, flexible flue liner ideal for relining masonry chimneys. Crafted from 904L grade stainless steel, both the inner and outer layers boast a thickness of 0.105mm, ensuring durability and longevity. The smooth inner liner coupled with a convoluted outer skin not only meets but exceeds performance expectations.
This liner supports burning gas, oil, coal, coke, cured dry logs, cured dry peat, and approved smokeless fuels. Recognized by HETAS and CE approved, you can be assured of its quality and safety. Installation is straightforward: always fit from the top, ensure arrows point upwards (indicating the gas flow), and use a Nose Cone and string for smooth insertion.
Regular maintenance is essential, especially for chimneys serving solid fuel appliances, and sweeping at least once a year is recommended for optimal performance.
SKU: 36Z-150-1
Technical Specifications
Product Name
904L Mi-FLEX 150mm x 1m CUT LENGTH Flue Liner
Material
904L Grade Stainless Steel
Thickness
0.105mm (inner and outer layers)
Length
1m (with options up to 15m available)
Application
Masonry chimneys for multi-fuel use
Approvals
HETAS, CE
Warranty
Lifetime with Screw-FIX accessory usage
Manufacturer
Mi-Flues Ltd
Installation should always be carried out from the top downwards. Ensure that the arrows on the liner indicating the gas flow are pointed upwards. For an efficient installation, secure a string to the provided Nose Cone, and gently pull the liner through the chimney with assistance from above. Regular maintenance is advised, especially if the chimney services solid fuel appliances – a yearly sweep is recommended to maintain optimal performance and safety. Be sure to check that all recommended accessories, such as the Screw-FIX system, are used to guarantee the lifetime warranty.
Yes, the 904L Mi-FLEX 150mm x 1m Flue Liner is suitable for use with gas, oil, coal, coke, cured dry logs, cured dry peat, and approved smokeless fuels.
To ensure a proper fit, pull down a small section of the diameter liner you plan to use to check the fit within your chimney.
Yes, our 904L Mi-FLEX flue liner is HETAS approved and also holds CE approval, underscoring its quality and safety standards.
Installation involves fitting from the top, ensuring the arrows point upwards (indicating gas flow), securing a string to the Nose Cone, and carefully pulling the liner through the chimney with someone feeding it down from the top.
For chimneys serving solid fuel appliances, it's recommended to sweep and maintain the chimney at least once a year to ensure optimal performance and safety.
904L stainless steel is used for its superior corrosion resistance, strength, and longevity, making it ideal for a variety of fuel types and ensuring long-lasting performance.
We recommend using a Nose Cone and string for smooth installation. Additionally, using Screw-FIX accessories will help you take full advantage of the lifetime manufacturer's warranty.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Wednesday, April 30th.
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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.
Read our review in our 904L Mi-FLEX 150mm x 1m CUT LENGTH buyers guide
904L Mi-FLEX 150mm x 1m Flue Liner Buyers Guide
Welcome to our comprehensive buyer's guide for the 904L Mi-FLEX 150mm x 1m Flue Liner, brought to you by National Flues, a trusted name in quality chimney solutions. This guide is designed to help you understand why this product stands out, how it meets the diverse needs of UK homeowners and professionals alike, and how it ensures safe and efficient performance for your heating system.
Why Choose the 904L Mi-FLEX Flue Liner?
The 904L Mi-FLEX Flue Liner is engineered from premium 904L stainless steel, known for its exceptional corrosion resistance and durability. This ensures that your chimney remains protected against the harsh by-products of combustion, extending the lifespan of your installation. Its dual-layer construction not only improves thermal efficiency but also provides a robust barrier against potential damage. The liner’s compatibility with a wide variety of fuels—ranging from gas and oil to solid fuels like coal and cured dry logs—means it is adaptable to numerous heating environments. Safety is paramount, and with HETAS and CE approvals, you can rest assured that you are using a product that meets stringent UK standards.
Key Features and Benefits
- High-Quality Materials: The use of 904L stainless steel makes the flue liner highly resistant to corrosion, ensuring longevity even under continuous exposure to extreme temperatures and harsh chemicals.
- Dual-Skinned Design: With an inner smooth layer for optimal gas flow and a convoluted outer layer for enhanced strength, the design offers both efficiency and durability.
- Versatility: Whether you’re using gas, oil, or even smokeless fuels, this flue liner adapts seamlessly to your needs. This versatility makes it an ideal choice for modern, multi-fuel heating environments.
- Lifetime Warranty: By pairing the liner with our Screw-FIX accessories, you benefit from a lifetime warranty, giving you lasting confidence in your investment.
- Ease of Installation: Designed for simplicity, the installation process is streamlined with clear instructions, recommended accessories like a Nose Cone and string, and the assurance of professional quality control.
Installation and Maintenance
Installing the 904L Mi-FLEX Flue Liner is straightforward when following the provided guidelines. Always install the liner from the top of your chimney. Ensure the arrow markers, indicating gas flow, are always pointing upwards. This is critical for maintaining the correct draft and ensuring the efficient evacuation of combustion gases. Remember, having an extra pair of hands to help guide the liner can make the process smoother and prevent potential issues.
Regular maintenance is also essential. For chimneys servicing solid fuel appliances, it is advised to schedule an annual sweep. This not only aids in maintaining the overall efficiency of your heating system but also helps prevent the buildup of soot and other deposits that could lead to blockages or hazardous conditions. Regular checks can help identify any early signs of wear or damage, allowing you to address issues before they become serious problems.
Frequently Asked Questions (FAQs)
Can this flue liner be used with both gas and oil appliances?
Yes, the 904L Mi-FLEX Flue Liner is designed for compatibility with gas, oil, coal, coke, cured dry logs, and even smokeless fuels.
How do I ensure that the liner fits correctly within my chimney?
Always measure your chimney dimensions carefully before installation and perform a small trial fit. This helps ensure that the 150mm inner diameter is suitable and will provide the best performance.
What accessories are recommended during installation?
To guarantee a seamless installation and to maintain the product warranty, we highly recommend using a Nose Cone and string. Additionally, our Screw-FIX accessory system is available to enhance the fitting experience and extend the longevity of your installation.
Benefits of Choosing National Flues
National Flues is a leader in chimney and flue solutions, known for providing quality products with unbeatable prices and reliable nationwide delivery. Our dedication to customer satisfaction is reflected in our robust after-sales support and expert installation advice. When you choose the 904L Mi-FLEX Flue Liner, you are investing in a product that combines innovative design, top-quality materials, and stringent adherence to safety standards. This flue liner not only improves your heating system's efficiency but also safeguards your property against the risks associated with improper chimney lining.
Final Thoughts
Whether upgrading an existing chimney or undertaking a new installation, the 904L Mi-FLEX 150mm x 1m Flue Liner offers the perfect blend of performance, safety, and convenience. Its robust construction and versatile fuel compatibility make it an ideal choice for a range of applications. With clear installation guidelines and a lifetime warranty when used with Screw-FIX accessories, it is a smart, long-term investment in the safety and efficiency of your heating system.
Make the informed choice for your home or business by investing in the 904L Mi-FLEX Flue Liner. For a more efficient, safer chimney system that complies with the highest UK standards, look no further. Enhance your comfort and security with this premium flue liner from National Flues.
Buy now or call 01670 206 999.
Upgrade your chimney with the premium 904L Mi-FLEX Flue Liner today – add to cart now for a reliable, efficient heating solution!
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