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Flex to Twin Wall Adaptor Ø 80 (2-80-101)
National Flues presents the Flex to Twin Wall Adaptor Ø 80, a premium chimney fitting designed for seamless integration between MI-Flues multi-fuel liners and TWPro Twin Wall systems. Engineered from high-quality stainless steel with robust insulation, this adaptor is the ideal solution for woodstoves, gas appliances, oil boilers, and coal effect fires. With HETAS and CE certifications, National Flues ensures that safety and performance are never compromised.
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£43.99
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Seamless connection between MI-Flues multi-fuel liners and TWPro Twin Wall Chimney systems
Constructed from premium 304 and 316 stainless steel for superior durability
Compressed rockwool insulation at 200kg/m3 for enhanced thermal performance
HETAS and CE certified, meeting EN1856-1 standards
Enforces a safe 50mm clearance to combustible materials
Easy screw-fix coupling with a secure Locking Band for installation
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Please Note: All dimensions refer to the internal diameter of flues.
If unsure, please call 01670 206999 to ensure you choose the correct products.
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 Flex to Twin Wall Adaptor Ø 80 is a vital component for connecting MI-Flues multi-fuel liners to TWPro Twin Wall Insulated Chimney systems. Designed for use with solid fuel, gas, and oil appliances—such as woodstoves, gas coal effect fires, and boilers—this adaptor boasts superior construction quality. The outer skin is crafted from 304-grade stainless steel, and the inner skin from 316-grade stainless steel, both with a 0.4mm thickness.
Compressed rockwool insulation ensures a density of 200kg/m3, offering robust heat resistance. Each piece is fully welded to ascertain durability and reliability. For safety, a 50mm clearance to combustible materials is mandatory.
Certified by CE and HETAS, it meets the stringent standards EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20, making it a dependable choice for both domestic and commercial installations. Installation is straightforward with the use of a Locking Band to secure components together, ensuring a tight and secure fit.
SKU: 2-80-101
Technical Specifications
Model
Flex to Twin Wall Adaptor u00d8 80
Outer Material
304 Stainless Steel (0.40mm)
Inner Material
316 Stainless Steel (0.40mm)
Insulation
Compressed Rockwool (200kg/m3)
Certification
HETAS / CE
Standards
EN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 W V2 L50040 O20
Clearance
50mm to Combustibles
Appliance Compatibility
Woodstoves, Gas Appliances, Oil Boilers, Coal Effect Fires
• Ensure the adaptor is installed inside an existing Class 1 chimney to avoid any visible transitions outside the brick or clay structure.
• Maintain a minimum 50mm clearance from the outside of the flue to any combustible material such as wood, plasterboard, or insulation.
• Secure all components using the recommended Locking Band to ensure a tight, secure, and long-lasting fit.
• Follow the detailed manufacturer’s guidelines and local regulations to guarantee proper installation and safety compliance.
• Always verify that all joins are fully welded and no gaps exist for optimal performance and security.
The adaptor seamlessly connects MI-Flues multi-fuel liners to TWPro Twin Wall Chimney systems, facilitating safe and efficient chimney transitions.
It is suitable for solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, and boilers.
The outer skin is made from 304-grade stainless steel, and the inner skin is made from 316-grade stainless steel—both at a thickness of 0.4mm. The insulation is comprised of compressed rockwool with a density of 200kg/m3.
Yes, it is CE marked and HETAS approved, meeting EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20 standards.
Ensure a distance of 50mm is maintained from the outside of the flue to any combustible material (such as wood or plasterboard). Secure the components using a Locking Band during installation.
No, the transition should be made inside an existing Class 1 chimney, ensuring no flex is visible outside the brick or clay chimney.
Absolutely, National Flues provides reliable delivery services across the UK and caters to both retail and trade customers.
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 Flex to Twin Wall Adaptor Ø 80 buyers guide
Flex to Twin Wall Adaptor Ø 80 - The Ultimate Chimney Fitting
Choosing the right chimney adaptor is essential for the safe and efficient operation of your heating system. The Flex to Twin Wall Adaptor Ø 80 by National Flues is engineered to bridge the gap between MI-Flues multi-fuel liners and TWPro Twin Wall systems, offering both durability and compliance with high safety standards. This guide provides in-depth information on all aspects of this product, from its key features to installation details, ensuring you make an informed purchasing decision.
Key Features and Their Benefits
Premium Construction: The adaptor is built using high-grade 304 stainless steel for the outer layer and 316 stainless steel for the inner layer, both with a thickness of 0.40mm. These materials are chosen for their excellent resistance to heat and corrosion, ensuring that your chimney system remains secure and operational even under extreme conditions.
Rockwool Insulation: Compressed rockwool with a density of 200kg/m3 is used as insulation. This not only enhances thermal performance but also provides an extra layer of safety by preventing excessive heat transmission to adjacent combustible materials.
Safety Certifications: With both HETAS and CE certifications, the Flex to Twin Wall Adaptor meets rigorous EN1856-1 standards. These certifications affirm that the product adheres to strict safety norms, giving you confidence in its performance over time.
Versatility in Application: Suitable for a wide range of heating appliances including woodstoves, gas appliances, oil boilers, and coal effect fires, this adaptor offers flexible application. Whether you are a homeowner upgrading your domestic heating system or a business looking for a robust solution, this adaptor is up to the task.
Ease of Installation: Designed for straightforward installation, the adaptor employs a screw-fix coupling system along with a secure Locking Band. This ensures that every connection is tight and reliable, reducing the risk of installation errors and ensuring long-lasting performance.
Safety and Reliability
Safety is paramount when dealing with chimney systems. The adaptor’s design includes a mandatory 50mm clearance to any combustible material. This separation is crucial not only for fire prevention but also for maintaining the efficiency of your heating system. Additionally, the use of fully welded joints in the fabrication of the adaptor minimizes the risk of leaks and structural failures. This robust construction is supported by national safety standards, making it a trusted choice among professionals and DIY enthusiasts alike.
Installation Process
Installing the Flex to Twin Wall Adaptor Ø 80 is a straightforward process, provided that the necessary precautions are taken. Here are the essential steps:
1. Preparation: Ensure that the existing Class 1 chimney is clean and in good condition. Remove any debris or obstructions that could interfere with the installation.
2. Positioning: Fit the adaptor into the existing chimney ensuring that it is properly aligned for a seamless transition between the MI-Flues multi-fuel liner and the TWPro system.
3. Securing: Use the Locking Band as recommended to secure the adaptor. Verify that all fittings are tight and that the screw-fix coupling is correctly engaged.
4. Verification: Check that there is a consistent 50mm clearance from any combustible material, as stipulated in the installation guidelines.
Following these steps carefully will ensure that the adaptor functions optimally, maintaining the integrity and performance of your chimney system.
Why Choose National Flues?
National Flues is a trusted supplier in the UK, known for delivering high-quality, competitively priced chimney systems and accessories. By choosing the Flex to Twin Wall Adaptor Ø 80, you are investing in a product that guarantees both performance and safety. The company’s commitment to quality is evident in every aspect of this adaptor, from the choice of materials to the precision of its construction. Moreover, National Flues’ dedication to customer service means that you can rely on expert support and prompt delivery across the UK.
Overcoming Common Concerns
Is the adaptor compatible with my existing system?
Yes, the Flex to Twin Wall Adaptor Ø 80 is specifically designed to bridge MI-Flues multi-fuel liners with TWPro Twin Wall systems, ensuring a smooth integration with most Class 1 chimneys.
Will the installation require professional assistance?
While the installation process is designed to be straightforward, we always recommend consulting with a certified professional if you are unsure about any aspect of the setup. Safety should always be your top priority.
What about long-term durability?
The robust stainless steel construction and high-quality rockwool insulation mean that this adaptor is built to last, even under demanding conditions. Regular maintenance and compliance with the 50mm clearance guideline will ensure optimal performance for years to come.
How does this product contribute to overall safety?
With strict adherence to national safety standards and certifications from HETAS and CE, the adaptor provides a reliable and secure connection, reducing the risks associated with improper chimney installations.
Conclusion
The Flex to Twin Wall Adaptor Ø 80 by National Flues is more than just a component; it is a crucial element in ensuring that your chimney system operates safely and efficiently. Combining durability, ease of installation, and adherence to high safety standards, this adaptor represents a smart investment for anyone looking to upgrade or maintain their heating system. With its proven performance and comprehensive safety features, it is a standout choice in the market.
Take the next step towards a safer and more efficient chimney system by opting for the Flex to Twin Wall Adaptor Ø 80, and experience the peace of mind that comes with trusted quality. Add to cart or call 01670 206 999.
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