👀 2 people are viewing this product
× National Flues
Free Delivery on Orders £100+
100% 5* reviewed on Trustpilot
Free stove flue design service
Delivery to mainland UK
Call for help on 01670 206999

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. Discover our range of premium chimney accessories for reliable and efficient installations.
The price you pay today £80.99
Give us a call if you find it cheaper and we'll normally price match.

 

Payment Options

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
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. 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.

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: [email protected]

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

Technical Specifications
Product NameTwin Wall to Flex Adaptor u00d8 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
Priceu00a335.85 (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.

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal