Sflue (2143005) - Slip Section Adj Pipe - 127mm Ø
At a Glance
- 127mm diameter adjustable pipe
- Dual-layer stainless steel construction (304 outer & 316 inner)
- HETAS approved and CE marked
- Superior thermal efficiency with compressed rockwool insulation
- Easy 8-barbed twist lock system 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.
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 (2143005) Slip Section Adjustable Pipe, with a 127mm diameter, is a versatile addition to your chimney system, particularly when dealing with non-standard dimensions. Designed for various appliances including woodstoves, gas-effect fires, and oil or gas boilers, this adjustable pipe ensures a perfect fit. Constructed with a durable outer skin of 304-grade stainless steel and an inner skin of 316-grade stainless steel, both at 0.4mm thickness, it offers long-lasting durability.
The pipe is insulated with high-density compressed rockwool (230kg/m3) encapsulated within twist-lock couplers, ensuring superior thermal efficiency. Installation is straightforward with an 8-barbed twist lock system and additional securing via a locking band. The Sflue is HETAS approved and CE marked, adhering to EN1856-1 T450 N1 D V2 L50040 G50 standards, ensuring compliance and safety.
SKU: 22-125-020
Technical Specifications | |
---|---|
SKU | 22-125-020 |
Diameter | 127mm |
Inner Material | 316L Stainless Steel (0.40mm thick) |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Insulation | Compressed Rockwool (230kg/m3) |
Installation | 8-barbed twist lock system with locking band |
Approvals | HETAS / CE |
Distance To Combustibles | 50mm |
Warranty | 15 Years |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal |
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.
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National Flues Ltd Verdict
The Sflue (2143005) Slip Section Adjustable Pipe is a fantastic choice for flexible chimney installation. With top-tier materials and HETAS approval, it’s ideal for both solid fuel and gas appliances. We deliver nationwide and cater to both retail and trade customers with unmatched prices.
This product is designed to provide a flexible connection in chimney systems where standard dimensions do not suffice. Ideal for solid fuel, gas, and oil appliance installations.
Sflue is renowned for producing high-quality, reliable flue and chimney products that meet stringent safety standards and offer excellent performance. They are well-regarded in the fireplace and flue industry.
