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Twin Wall to Flex Adaptor Ø 150 (2-150-099)

National Flues delivers premium quality chimney solutions with the Twin Wall to Flex Adaptor Ø 150, ideal for converting TWPro twin wall systems to MI-Flues multi fuel liners. This robust, high-quality chimney connector is perfect for woodstoves, oil and gas appliances, offering unmatched durability, exceptional safety certifications, and superior thermal performance. Read more...
Now only £62.99
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At a Glance

  • Constructed with durable 304 and 316 stainless steel (0.40mm thick) for long-lasting performance
  • HETAS Approved and CE marked for safety and quality assurance
  • Compatible with both solid fuel and gas/oil appliances
  • Incorporates high density compressed rockwool insulation (200kg/m3) for superior thermal performance
  • Features an easy-to-use Locking Band for a secure freeze and simplified installation

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

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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: sales@nationalflues.com

The Twin Wall to Flex Adaptor Ø 150 is an essential component for seamless chimney installations. Made for solid fuel and gas/oil appliances such as woodstoves and gas coal effect fires, this adaptor ensures a secure and effective connection. It's constructed with an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both 0.4mm thick.

The compressed rockwool insulation, with a density of 200kg/m3, ensures superior thermal performance. Its approval by HETAS and CE marking under EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20, guarantees safety and quality. Installation is straightforward with the included Locking Band, and maintaining a 50mm distance from combustibles ensures safety.

SKU: 2-150-099

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
Product NameTwin Wall to Flex Adaptor Ø 150
Material Outer304 Stainless Steel - 0.40mm thick
Material Inner316 Stainless Steel - 0.40mm thick
InsulationCompressed rockwool (200kg/m3)
ApprovalsHETAS, CE (EN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 W V2 L50040 O20)
Suitable FuelsWood, Oil, Gas, Low sulphur coal
Combustibles Distance50mm
InstallationLocking Band included
Price£35.85 (Our Price)
- Ensure the adaptor is installed within an existing class 1 chimney, as per manufacturer guidelines - Maintain a minimum distance of 50mm from the adaptor to any combustible materials - Secure the adaptor using the included Locking Band for a tight, safety-compliant fit - Adhere to all safety regulations and instructions provided in the installation manual - Professional installation is recommended for optimal performance and to avoid potential installation errors

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

The adaptor features an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both 0.4mm thick.

The adaptor uses compressed rockwool insulation with a density of 200kg/m3, providing excellent thermal insulation.

Ensure a distance of 50mm from the outside of the flue to any combustible material, including wood and plasterboard.

Yes, it is HETAS Approved and CE marked with designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20.

The adaptor is secured using a Locking Band that ensures a tight and secure fit.

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

 

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