Sflue (2150105) - Double to Single Adaptor (Flex) - 127mm Ø
At a Glance
- - Seamless TLPro to MI-FLEX connection
- - Constructed with durable 304 and 316L stainless steel
- - Complies with HETAS and CE standards
- - Integral insulation with compressed rockwool
- - 50mm clearance from combustibles for added safety

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]
- Info
- Specs
- Install
- FAQs
The Sflue (2150105) Double to Single Adaptor (Flex) - 127mm Ø is designed for seamless connection from TLPro to a MI-FLEX flexible flue liner. This essential adaptor is suitable for a wide range of heating appliances including woodstoves, gas coal effect fires, oil and gas boilers, and other solid fuel devices. Built with durability in mind, its outer skin is crafted from 304 grade stainless steel, whilst the inner skin boasts 316 grade stainless steel construction.
Both skins are 0.4mm thick, ensuring robust performance. The integral insulation consists of compressed rockwool with a density of 230kg/m3, expertly encapsulated within twist-lock couplers through fully laser-welded joints. For safety, maintain a 50mm distance from any combustible materials.
This product is HETAS Approved and CE marked, with a designation of EN1856-1 T450 N1 D V2 L50040 G50. Easy installation is ensured with an 8-barbed twist lock Twin Wall Insulated Chimney, secured by a Locking Band.
SKU: 22-125-099
Technical Specifications | |
---|---|
SKU | 22-125-099 |
Design | EN1856-1 T450 N1 D V2 L50040 G(50) |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Inner Material | 316L Stainless Steel (0.40mm thick) |
Insulation | Compressed Rockwool (230kg/m3) |
Adaptor Diameter | 127mm u00d8 |
Approval | HETAS Approved, CE Marked |
Distance To Combustibles | 50mm |
Warranty | 15 Years |
Installation System | 8-barbed twist-lock Twin Wall Insulated Chimney with Locking Band |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. 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. If you find it cheaper within 48 hours, we'll refund the difference.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The Sflue Double to Single Adaptor (Flex) offers unmatched reliability and performance for solid fuel and gas/oil appliances. At National Flues, we’re pleased to provide competitive pricing and dependable nationwide delivery, catering to both retail and trade customers with outstanding service.
This adaptor is used to connect TLPro to a MI-FLEX flexible flue liner, making it suitable for a variety of heating appliances, ensuring efficient and safe exhaust of flue gases.
Sflue offers high-quality flue systems approved for safety and efficiency, backed by industry standards and certifications.
