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Sflue (2141005) - Pipe 500mm - 127mm Ø (22-125-011)

National Flues proudly presents the Sflue (2141005) Pipe—a premium chimney flue component designed for robust and efficient performance. This top-tier insulated pipe is ideal for use with woodstoves, gas coal-effect fires, and oil and gas boilers. Read more...
Now only £73.99
Give us a call if you find it cheaper and we'll normally price match.
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At a Glance

  • Constructed from premium 304 and 316 stainless steel with 0.40mm thickness
  • Insulated with high-density compressed rockwool (230kg/m³) for optimal heat retention
  • Innovative 8-barbed twist-lock mechanism ensures straightforward installation
  • Certified HETAS and CE approved, meeting stringent safety standards
  • Designed for compatibility with wood, oil, gas, and low sulphur coal appliances

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: sales@nationalflues.com

The Sflue (2141005) - 500mm Pipe with a 127mm (5-inch) diameter is specifically designed for use with solid fuel and gas/oil appliances, including woodstoves, gas coal-effect fires, and oil and gas boilers. Constructed with high-grade materials, the outer skin is made from 304-grade stainless steel and the inner skin from 316-grade stainless steel. Both skins boast a thickness of 0.4mm for enhanced durability.

The pipe is insulated with compressed rockwool, offering a density of 230kg/m³, encapsulated within the twist-lock couplers. This ensures optimum heat retention and safety as it maintains a distance of 50mm from combustible materials.Sflue is rigorously tested and approved, holding a HETAS certification and CE marking. The designation number EN1856-1 T450 N1 D V2 L50040 G50 speaks to its adherence to stringent standards, ensuring you get a high-quality, reliable product.

Installation is straightforward with the 8-barbed twist lock mechanism which requires no complex tools—just secure each section with a locking band. The Sflue system is perfect for anyone seeking efficient and safe chimney flues.

SKU: 22-125-011

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

Technical Specifications
Product ID2901
SKU22-125-011
Length500mm
Diameter127mm
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel (0.40mm thick)
InsulationCompressed Rockwool (230kg/m³)
SystemSflue
ApprovalsHETAS, CE
Installation8-barbed twist lock mechanism with locking band
Distance To Combustibles50mm
Applicable FuelsWood, Oil, Gas, Low sulphur coal
Warranty15 Years
• Begin by laying out all flue sections in a clear and unobstructed area. • Check each section for any visible defects before installation. • Use the 8-barbed twist-lock mechanism to securely join sections; simply align the twist locks and tighten the locking band. • Ensure a minimum clearance of 50mm from any combustible material to maintain safety levels. • No complex tools are required, but always refer to local building codes and safety guidelines before proceeding. • If in doubt, consult a professional installer to guarantee compliance with all regulations.

The Sflue (2141005) is compatible with solid fuel appliances, gas/oil appliances such as woodstoves, gas coal effect fires, and oil and gas boilers.

Yes, the Sflue (2141005) is HETAS Approved, ensuring it meets high safety and performance standards.

The outer skin is made from 304 grade stainless steel and the inner skin is made from 316 grade stainless steel, both with a thickness of 0.4mm.

The Sflue (2141005) is insulated with compressed rockwool, providing a density of 230kg/m³ for excellent heat retention.

You must maintain a distance of 50mm from the outside of the flue to any combustible materials such as wood or plasterboard.

The Sflue (2141005) uses an 8 barbed twist-lock system and sections are secured together with a locking band, making installation straightforward and secure.

The Sflue (2141005) meets designation number EN1856-1 T450 N1 D V2 L50040 G50, indicating compliance with stringent industry standards.

 

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