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Sflue Black (2141805B) - Inspection Length - Ø 127 (42-125-019)

National Flues presents the Sflue Black (2141805B) Inspection Length Ø 127, a premium chimney solution designed to deliver unmatched durability and performance. Combining robust construction with superior materials and innovative design, this product is the ideal choice for solid fuel and gas/oil appliance installations. Read more...
Sflue Black (2141805B) - Inspection Length - Ø 127
IN STOCK
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Now only £339.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.
  • Fast deliveryMonday, November 17th*
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At a Glance

  • Dual stainless steel construction: 304 exterior and 316L interior at 0.40mm thickness
  • Robust compressed rockwool insulation (230kg/m3) for enhanced thermal performance
  • Secure 8-barbed twist-lock mechanism for an easy and reliable installation
  • HETAS approved and CE marked to meet strict safety standards
  • Integrated removable door for hassle-free inspection and cleaning
  • Versatile compatibility with woodstoves, gas coal effect fires, oil, and gas boilers
  • Maintains a safe 50mm clearance from combustible materials

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 Black (2141805B) Inspection Length Ø 127mm is meticulously designed for use with solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and oil and gas boilers. Constructed with a 0.4mm thick outer skin of 304-grade stainless steel and an inner skin of 316-grade stainless steel, this product ensures superior durability and performance. The unit features compressed rockwool insulation with a density of 230kg/m3, encapsulated within twist-lock couplers, and secured by an 8-barbed twist-lock mechanism for easy and secure installation.

The product is fully laser welded and maintains a required 50mm distance to combustible materials. HETAS approved and CE marked, the Sflue Black provides peace of mind with its safety and quality standards.

SKU: 42-125-019

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.

This is us — real advice over the phone, or at the counter, and real stock in our warehouse.

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Technical Specifications
SKU42-125-019
Product NameSflue Black (2141805B) Inspection Length - Ø 127
Outer Material304 Stainless Steel, 0.40mm thick
Inner Material316L Stainless Steel, 0.40mm thick
InsulationCompressed Rockwool, 230kg/m3
Lock Mechanism8-barbed twist-lock coupler
ApprovalHETAS, CE Marked
Minimum Clearance50mm to combustibles
ApplicationsWoodstoves, Gas Coal Effect Fires, Oil and Gas Appliances
Warranty15 years manufacturing defect warranty, 2 years paint warranty
• Ensure a minimum clearance of 50mm from all combustible materials such as wood and plasterboard. • Align the flue sections carefully and use the integrated 8-barbed twist-lock couplers to secure connections. • Inspect all joins to ensure a firm lock is achieved before finalising the installation. • Optional accessories, such as additional chimney connectors or adapters, are available to help tailor your installation to unique spatial requirements. • Always follow the manufacturer’s guidelines and local safety standards during installation.

The Sflue Black is suitable for solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and oil and gas boilers.

The outer skin is made from 304-grade stainless steel, and the inner skin is made from 316-grade stainless steel, both being 0.4mm thick.

The product features compressed rockwool insulation with a density of 230kg/m3, encapsulated within twist-lock couplers.

Yes, the Sflue Black is HETAS approved and CE marked, meeting stringent safety and quality standards.

A distance of 50mm should be maintained from the outside of the flue to any combustible materials, such as wood or plasterboard.

The Sflue Black utilises an 8-barbed twist-lock mechanism and is secured with a locking band, ensuring a secure and easy installation.

The inspection length with a removable door allows for easy inspection and cleaning of the chimney system, ensuring it remains in optimal working condition.

 

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