Sflue (2141206) - Adjustable Pipe 350-530mm - 152mm Ø
At a Glance
- - Telescopic adjustable length (350-530mm) for a perfect fit
- - Outer 304 & inner 316 stainless steel construction for enduring performance
- - Compressed rockwool insulation (230kg/m³) enhances thermal efficiency
- - HETAS approved and CE marked for safety and reliability
- - Secure 8-barbed twist-lock system with locking band assembly

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 Adjustable Pipe 350-530mm (2141206) is designed to cater to the varied requirements of solid fuel and gas appliances, including woodstoves, gas coal-effect fires, oil, and gas boilers. Constructed with 304 grade stainless steel for the outer skin and 316 grade stainless steel for the inner skin, both measuring 0.4mm in thickness, this chimney pipe excels in durability and reliability. The compressed rockwool insulation has a density of 230kg/m³ and is securely encapsulated within the twist-lock couplers.
Fully laser welded, it ensures a strong and long-lasting build. With a safe installation distance of 50mm from combustibles, the Sflue Adjustable Pipe is both HETAS approved and CE marked, boasting the designation number EN1856-1 T450 N1 D V2 L50040 G50. It features an 8-barbed twist-lock system with secure Locking Band assembly, ensuring safe and efficient construction.
Ideal for any installation where standard pipe lengths fall short, this adjustable pipe is a versatile addition to your chimney flue system.
SKU: 22-150-015
Technical Specifications | |
---|---|
SKU | 22-150-015 |
Adjustable Length | 350-530mm |
Diameter | 152mm |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Inner Material | 316 Stainless Steel (0.40mm thick) |
Insulation | Compressed Rockwool (230kg/mu00b3) |
Approvals | HETAS, CE |
Installation Distance | 50mm from combustibles |
Designation | EN1856-1 T450 N1 D V2 L50040 G50 |
System | Sflue |
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 Adjustable Pipe 350-530mm offers incredible flexibility and robust construction, perfect for a range of heating appliances. Backed by HETAS approval and CE marking, you can trust its quality. At National Flues, we are proud to deliver nationwide, serving both retail and trade customers with the best prices.
The Sflue Adjustable Pipe is designed for use with solid fuel and gas appliances, providing a flexible and durable solution for connecting your chimney system.
National Flues is a trusted supplier of high-quality fireplaces and flues across the UK, offering competitive pricing, reliable delivery, and exceptional service to both retail and trade customers.
