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Sflue Black (2148705B) - Storm Cowl - Ø 127 (42-125-091)

National Flues presents the Sflue Black Storm Cowl Ø127 – a premium chimney accessory that combines durability with top-notch safety. Crafted for solid fuel and gas/oil appliances, this robust cowl, constructed from dual stainless steel layers and high-density rockwool insulation, is ideal for protecting chimneys from rain and wind. Read more...
Now only £154.99
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At a Glance

  • Superior dual stainless steel construction (304 outer, 316 inner) – 0.40mm thickness each
  • High-density compressed rockwool insulation for excellent thermal performance
  • Secure 8-barbed twist lock system with locking bands for fast, secure installation
  • Fully HETAS approved and CE marked for safety and quality compliance
  • Designed to protect against rain and strong winds, ensuring long-lasting chimney durability

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 (2148705B) Storm Cowl Ø127 is an essential accessory for any chimney, providing superior protection against harsh weather conditions. Perfect for solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and oil and gas boilers. Constructed with a 304 grade stainless steel outer skin and a 316 grade stainless steel inner skin, both 0.4mm thick, this storm cowl ensures long-lasting performance.

The insulation is made of high-density compressed rockwool, encapsulated within twist-lock couplers, ensuring a safe distance of 50mm from combustibles. Fully HETAS approved and CE marked, this product guarantees top-notch safety and quality standards. Easy to install with an 8 barbed twist lock system and locking bands for secure connections.

SKU: 42-125-091

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
SKU42-125-091
Product NameSflue Black Storm Cowl Ø127
Outer Material304 Stainless Steel - 0.40mm thick
Inner Material316 Stainless Steel - 0.40mm thick
InsulationHigh-density compressed Rockwool
SystemSflue Black
Safe Distance50mm from combustibles
ApprovalsHETAS / CE
Installation Method8-barbed twist lock system with locking bands
Warranty15 Years manufacturing defect warranty, 2 Years paint warranty
Fuels SupportedWood, Oil, Gas, Low sulphur coal
Installation is straightforward: Begin by ensuring the chimney surface is clean and free of debris. Assemble the cowl by aligning the twist-lock couplers and secure with the locking bands. Verify the mandatory 50mm clearance from combustible materials. After installation, perform a final inspection to ensure all locks and connections are firm. Warning: Improper installation can compromise the cowl’s performance; always consult the full installation guide if in doubt.

It is suitable for use with solid fuel and gas/oil appliances, such as woodstoves, gas coal effect fires, oil and gas boilers, and any solid fuel appliances.

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

Yes, it is fully HETAS approved and CE marked, ensuring compliance with safety and quality standards.

The insulation consists of high-density compressed rockwool, providing a density of 230kg/m3.

It uses an 8 barbed twist lock system to secure the Twin Wall Insulated Chimney parts together with a Locking Band.

It is essential to maintain a distance of 50mm from the flue to any combustible materials such as wood or plasterboard.

No, the Sflue Black Storm Cowl Ø127 is designed for protection against rain and wind but is not an anti-downdraught terminal.

 

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