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Twin Wall to Flex Adaptor Ø 175 (2-175-099)

National Flues proudly presents the Twin Wall to Flex Adaptor Ø 175, a premium solution engineered to deliver a seamless transition between Twin Wall chimney systems and MI-Flues flexible liners. Perfect for solid fuel, oil, gas, and wood appliances, this high-quality adaptor is HETAS Approved and CE marked, ensuring performance, safety, and durability. Read more...
Now only £78.99
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At a Glance

  • HETAS Approved & CE marked
  • Crafted from premium 304 and 316L stainless steel
  • Durable 0.40mm wall thickness for enhanced longevity
  • Superior thermal insulation with compressed rockwool (200kg/m3)
  • Secure screw fix coupling ensures robust transition
  • Designed for solid fuel, oil, gas and low sulphur coal appliances

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.

Have Questions?
Phone: 01670 206999
Email: sales@nationalflues.com

The Twin Wall to Flex Adaptor Ø 175 is a high-quality transitional adaptor designed for use with solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and boilers. Both the outer and inner skins are crafted from top-grade stainless steel (304 and 316 respectively), with an impressive thickness of 0.4mm to ensure longevity and resistance to high temperatures. The insulation comprises compressed rockwool, boasting a density of 200kg/m3, providing exceptional thermal insulation and safety.

Each component is fully welded, maintaining structural integrity and enhancing durability. This adaptor complies with EN1856-1 standards and is approved by HETAS, ensuring it meets rigorous safety and performance criteria. To install, simply secure with a Locking Band, keeping a mandatory 50mm distance from any combustible materials like wood or plasterboard.

SKU: 2-175-099

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. 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
SKU2-175-099
Adaptor Diameter175 mm
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel (0.40mm thick)
InsulationCompressed Rockwool (200kg/m3)
ApprovalsHETAS, CE, EN1856-1
Suitable ForWood, Oil, Gas, Low Sulphur Coal Appliances
Minimum Clearance50mm from combustibles
To install the Twin Wall to Flex Adaptor Ø 175, secure it using the provided Locking Band inside an existing class 1 chimney. Ensure that the adaptor is positioned at a minimum distance of 50mm from any combustible materials such as wood or plasterboard, in line with manufacturer guidelines. Follow all instructions meticulously to guarantee a safe and efficient installation, and consult a professional installer if in doubt.

The adaptor is suitable for solid fuel and gas/oil appliances like woodstoves, gas coal effect fires, and oil and gas boilers.

The adaptor's outer skin is 304 grade stainless steel, and the inner skin is 316 grade stainless steel, both 0.4mm thick.

The insulation is made from compressed rockwool with a density of 200kg/m3.

The Twin Wall to Flex Adaptor is HETAS Approved and CE marked, meeting EN1856-1 standards.

The adaptor is secured using a Locking Band and must be kept 50mm away from any combustible materials.

The transition must be made inside an existing class 1 chimney, ensuring no flexible liner is visible outside the brick or clay chimney.

Ensure a minimum distance of 50mm from the outside of the flue to any combustible materials like wood or plasterboard.

 

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