Sflue (2144005) - Adjustable Pipe 200-325mm - 127mm Ø
At a Glance
- - Telescopic adjustable length (200-325mm) to fit unique installations
- - Robust construction with dual stainless steel layers (304 outer, 316 inner)
- - High-density compressed Rockwool insulation for enhanced safety
- - Secure 8-barbed twist-lock coupler system with an included Locking Band
- - HETAS Approved and CE marked for industry-standard safety compliance
- - Designed for compatibility with solid fuel, gas, oil, and low sulphur coal appliances
- - Backed by a 15-year warranty for long-lasting reliability

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 (2144005) Adjustable Pipe offers a flexible telescopic length ranging from 200mm to 325mm, making it an ideal choice when standard flue dimensions aren't suitable. This pipe is constructed with an outer skin of 304 grade stainless steel, ensuring durability and longevity, while the inner skin is made from 316 grade stainless steel. With a thickness of 0.4mm for both inner and outer skins, you can count on its robustness.
The pipe features a high-density compressed Rockwool insulation at 230kg/m3, encapsulated within twist-lock couplers for added safety. Fully laser welded for a seamless finish, this flue pipe is HETAS Approved and CE marked, bearing the EN1856-1 T450 N1 D V2 L50040 G50 designation. Installation is straightforward, thanks to its 8 barbed twist-lock system and the inclusion of a Locking Band for secure connection.
Ensure a 50mm distance from any combustible material during installation for added safety.
SKU: 22-125-016
Technical Specifications | |
---|---|
SKU | 22-125-016 |
Product Name | Sflue (2144005) Adjustable Pipe |
Adjustable Length | 200-325mm |
Diameter | 127mm |
Outer Material | 304 Stainless Steel, 0.40mm thickness |
Inner Material | 316 Stainless Steel, 0.40mm thickness |
Insulation | High-density compressed Rockwool (230kg/m3) |
Coupler | 8-barbed twist-lock system with Locking Band |
Approvals | HETAS, CE (EN1856-1 T450 N1 D V2 L50040 G50) |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal |
Installation Clearance | 50mm from combustibles |
Warranty | 15 Years |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 8th. 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 (2144005) Adjustable Pipe is a versatile and reliable solution for all your chimney flue needs. Its top-notch construction and HETAS approval make it a standout product. We deliver nationwide and cater to both retail and trade customers, ensuring you get exactly what you need promptly.
The Sflue (2144005) Adjustable Pipe is designed to provide secure and reliable exhaust solutions for a variety of heating appliances, including solid fuel stoves and gas/oil boilers.
National Flues is a leading provider of high-quality chimney flues and fireplaces across the UK, committed to exceptional service, reliability, and unbeatable prices.
