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H-Cowl Ø 125

National Flues proudly presents the H-Cowl Ø 125, a premium anti-down draft chimney terminal designed to meet the highest UK standards. This robust chimney cap, ideal for both solid fuel and gas/oil appliances, combines superior stainless steel construction with high-density rockwool insulation to d... More...
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At a Glance

  • - HETAS approved & CE marked
  • - Dual layer stainless steel construction (304 outer & 316 inner, 0.40mm thick)
  • - High-density compressed rockwool insulation (200kg/m3)
  • - Static design with no moving parts for wind protection
  • - Secure locking band design ensuring a safe 50mm distance from combustibles
Now only £90.49
Including VAT Buy with confidence. If you find this cheaper within 48 hours of checkout, we'll refund the difference.

 

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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).

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

The H-Cowl Ø 125 is an exceptional chimney terminal designed for use with solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and oil and gas boilers. Constructed with robust 304-grade stainless steel for the outer skin and 316-grade stainless steel for the inner skin, each with a thickness of 0.4mm, this terminal offers long-lasting durability. The insulation is made from high-density compressed rockwool (200kg/m3) ensuring optimum thermal performance.

Fully welded parts and a CE mark demonstrate its high-quality construction, and it is HETAS approved. Designed to keep a safe 50mm distance from combustible materials, this H-Cowl terminal is secured with a locking band and promises excellent protection from wind-driven downdrafts and water ingress, making it ideal for high-wind areas.

SKU: 2-125-103

Technical Specifications
SKU2-125-103
Product NameH-Cowl u00d8 125
Dimensionsu00d8125mm
Outer Material304 Stainless Steel - 0.40mm thick
Inner Material316 Stainless Steel - 0.40mm thick
InsulationHigh-density compressed rockwool (200kg/m3)
ApprovalsHETAS / CE
Safety Clearance50mm from combustible materials
Compliance StandardsEN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 W V2 L50040 O20
SystemTWPro
The H-Cowl Ø 125 is installed using a straightforward locking band system that secures the dual-wall insulated components in place. It is essential to ensure that there is a minimum clearance of 50mm from any combustible materials to meet safety regulations. During installation, double-check that all welded joints are secure and that the terminal is properly aligned to prevent wind-driven downdrafts. For optimal performance and longevity, follow the manufacturer’s installation instructions precisely, and if in doubt, consult a professional installer.

The H-Cowl Ø 125 is suitable for all solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, oil and gas boilers.

The outer skin is made from 304-grade stainless steel and the inner skin from 316-grade stainless steel, both with a thickness of 0.4mm, and the insulation is made from compressed rockwool with a density of 200kg/m3.

Yes, the H-Cowl Ø 125 is HETAS approved and CE marked, ensuring it meets the required standards for performance and safety.

The H-Cowl Ø 125 is installed using a locking band to secure the twin wall insulated chimney parts together. It is important to maintain a 50mm distance from any combustible materials.

The H-Cowl Ø 125 complies with EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20 standards.

The H-Cowl Ø 125 is designed to be static with no moving parts, offering excellent protection against wind-driven downdrafts and water ingress, making it perfect for high wind areas.

The high-density compressed rockwool insulation in the H-Cowl Ø 125 ensures excellent thermal performance and contributes to the overall durability and efficiency of the terminal.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. 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.

Read our buyers guide for this H-Cowl Ø 125

National Flues Ltd Verdict

The H-Cowl Ø 125 is a top-tier chimney terminal that excels in high wind areas and prevents water ingress efficiently. Delivering nationwide, we support both retail and trade customers with competitive pricing and reliable delivery services.

The H-Cowl Ø 125 is designed to prevent downdrafts and water ingress in chimneys, ensuring optimal performance for solid fuel and gas/oil appliances.

National Flues is a leading UK supplier of fireplaces and flues, renowned for unbeatable prices, reliable delivery, and excellent service to both retail and trade customers nationwide.

 

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Secure your H-Cowl Ø 125 now for reliable performance and exceptional safety, and safeguard your home from adverse weather conditions.

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