Free Delivery over £100+ 5on Trustpilot Browse our popular stoves Fast Mainland UK Delivery Buy stoves with install packs Call 01670 206 999 for help

H-Cowl Ø 125 (2-125-103)

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 deliver exceptional protection against wind and water ingress. Read more...
Now only £93.99
Give us a call if you find it cheaper and we'll normally price match.
  • Fast deliveryMonday, November 17th*
  • Best PriceCall us to beat any price you found online.
  • Secure checkoutCard· Google/Apple Pay· Klarna· Paypal

 

Payment Options

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

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 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

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
SKU2-125-103
Product NameH-Cowl Ø 125
DimensionsØ125mm
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.

 

Call the Experts   8am-5pm
👀 5 people watching this