Sflue (2131405) - 15° Bend - 127mm Ø
At a Glance
- 15° precise bend for flexible chimney routing
- Dual stainless steel construction (304 outer, 316 inner, both 0.4mm thick)
- High-performance compressed rockwool insulation (230kg/m³) in twist-lock couplers
- 360° un-barbed female coupler for versatile installation
- HETAS approved and CE marked for safety and quality
- Secure 8-barb twist lock system with a locking band ensuring robust joint integrity

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 15° Bend (2131405) is an essential component for creating a flexible chimney system, accommodating changes in direction with precision. Designed for use with solid fuel and gas/oil appliances—such as woodstoves, gas coal effect fires, and boilers—this bend is versatile and highly efficient. Constructed with an outer skin of 304 grade stainless steel (0.4mm thick) and an inner skin of 316 grade stainless steel (0.4mm thick), it offers robust durability.
The insulation within the bend comprises compressed rockwool with a density of 230kg/m3, encapsulated within twist-lock couplers, ensuring excellent thermal efficiency. The Sflue system is HETAS approved and CE marked, confirming its compliance with stringent safety and quality standards. Installation is straightforward with an 8-barbed twist lock system, secured by a locking band, ensuring a secure and rigid joint.
Always maintain a 50mm distance from combustibles to ensure safety.
SKU: 22-125-033
Technical Specifications | |
---|---|
SKU | 22-125-033 |
Product Name | Sflue (2131405) - 15u00b0 Bend - 127mm u00d8 |
Bend Angle | 15u00b0 |
Diameter | 127mm |
Outer Material | 304 Stainless Steel (0.4mm thick) |
Inner Material | 316 Stainless Steel (0.4mm thick) |
Insulation | Compressed Rockwool (230kg/mu00b3) |
Coupler Design | 8-barb twist lock with locking band; un-barbed female coupler for 360u00b0 rotation |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal |
Approvals | HETAS / CE |
Distance To Combustibles | 50mm |
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 15° Bend (2131405) is a top-notch component for your chimney system. Its robust construction and versatility make it perfect for various heating appliances. With us, you'll benefit from reliable delivery services nationwide, catering to both retail and trade customers. Rarely beaten on price, we provide secure online payments for retail purchases.
The Sflue 15° Bend provides a precise directional change in chimney systems, suitable for woodstoves, gas fires, and oil/gas boilers, ensuring efficient venting of exhaust gases.
National Flues is a trusted supplier of high-quality fireplaces and flues, serving both retail and trade customers across the UK with competitive pricing and reliable delivery services.
