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Sflue (2148705) - Storm Cowl - 127mm Ø (22-125-091)

National Flues proudly presents the Sflue Storm Cowl 127mm Ø – a premium chimney flue terminal engineered for superior performance. This high-quality chimney accessory is designed to offer robust protection against adverse weather while meeting HETAS and CE standards. Ideal for woodstoves, gas and oil boilers, the cowl is constructed with top-grade 304 and 316 stainless steel, ensuring durability and excellent thermal capabilities. Experience the perfect blend of innovation and reliability with our Sflue Storm Cowl, a must-have for safeguarding your chimney system.
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£105.99
with free delivery Give us a call if you find it cheaper and we'll try to price match.

 

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At a Glance

  • Premium construction using 304 & 316 grade stainless steel (0.40mm thick) for exceptional durability
  • 230kg/m3 encapsulated rockwool insulation ensures optimal thermal efficiency
  • HETAS Approved and CE marked according to EN1856-1, guaranteeing safety and quality
  • Designed specifically for 127mm Ø chimney systems, protecting against driving rain and strong winds
  • Easy installation with 8 barbed twist lock Twin Wall Insulated Chimney parts secured by a Locking Band
  • Suitable for various fuel types including wood, oil, gas, and low sulphur coal

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.
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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).

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The Sflue (2148705) Storm Cowl - 127mm Ø is a premium chimney flue terminal designed to safeguard your chimney system from adverse weather conditions. Suitable for use with solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, oil, and gas boilers. Constructed with an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both 0.4mm thick, this cowl offers superior durability and resistance to corrosion.

Encapsulated 230kg/m3 density rockwool insulation ensures maximum thermal efficiency, encapsulated within twist-lock couplers for a secure fit. Fully laser welded, the Sflue Storm Cowl meets rigorous quality standards, being HETAS Approved and CE marked according to EN1856-1 T450 N1 D V2 L50040 G50. Installation is straightforward with 8 barbed twist lock Twin Wall Insulated Chimney parts secured by a Locking Band.

Maintain a 50mm distance from combustibles to ensure safety. This product is an essential component in protecting your chimney from driving rain and strong winds, although it is not an anti-down draught terminal.

SKU: 22-125-091

Technical Specifications
SKU22-125-091
Diameter127mm
Outer Material304 Stainless Steel, 0.40mm thick
Inner Material316 Stainless Steel, 0.40mm thick
Insulation230kg/m3 encapsulated rockwool
ApprovalsHETAS, CE (EN1856-1 T450 N1 D V2 L50040 G50)
Installation8 barbed twist lock Twin Wall Insulated Chimney parts secured with Locking Band
Fuel CompatibilityWood, Oil, Gas, Low sulphur coal
Distance To Combustibles50mm
Warranty15 Years
• Ensure a minimum clearance of 50mm from any combustible materials. • Assemble using the 8 barbed twist lock Twin Wall Insulated Chimney parts, which secure together with a Locking Band for a firm connection. • Follow the manufacturer’s guidelines precisely to maintain the product’s HETAS Approval and overall safety integrity. • Always refer to local building regulations for additional installation mandates. • Consider consulting a professional if unsure about any step during the installation process.

The Sflue Storm Cowl is compatible with solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, oil, and gas boilers.

The cowl features an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both 0.4mm thick. It also includes rockwool insulation with a density of 230kg/m3.

Yes, the Sflue Storm Cowl is HETAS Approved and also CE marked, meeting the standard EN1856-1 T450 N1 D V2 L50040 G50.

Installation involves using the 8 barbed twist lock Twin Wall Insulated Chimney parts, which are secured together by a Locking Band. Ensure a 50mm distance from the flue to any combustible materials.

The rockwool insulation, with a density of 230kg/m3, provides thermal efficiency and safety. It is encapsulated within the twist-lock couplers for a secure fit.

No, the Storm Cowl is designed to protect against driving rain and strong winds but is not an anti-down draught terminal.

The cowl is designed for a 127mm diameter chimney flue.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 30th. 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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our Sflue (2148705) - Storm Cowl - 127mm Ø buyers guide

Secure your Sflue Storm Cowl now for unparalleled weather protection.

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