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TWPro MB - H-Cowl - Ø 125

Discover the TWPro MB - H-Cowl - Ø 125 from National Flues – a premium anti-down draft terminal designed to offer unparalleled chimney protection. Perfect for woodstoves, oil and gas boilers, this sophisticated flue accessory utilises robust stainless steel construction and top-notch insulation, mak... More...
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At a Glance

  • Robust 304 stainless steel outer skin with high temperature black coating
  • Durable 316L stainless steel inner skin and 0.40mm thickness for long-lasting performance
  • Fully HETAS approved and CE marked for safety and compliance
  • No moving parts design, ideal for high wind areas
  • Insulated with 200kg/m3 compressed rockwool to enhance energy efficiency
  • Secure locking band ensures stability during installation
Now only £100.99
Including VAT & Free Delivery Buy with confidence. If you find this cheaper within 48 hours of checkout, we'll refund the difference.

 

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

The TWPro MB - H-Cowl - Ø 125 is a top-of-the-line anti-down draft terminal, specifically designed for solid fuel, gas, and oil appliances. It is ideal for woodstoves, gas coal effect fires, oil boilers, and gas boilers. Manufactured with a robust outer skin of 0.4mm thick 304 stainless steel and a 0.4mm thick inner skin made of 316 grade stainless steel, the H-Cowl is insulated with compressed rockwool at a density of 200kg/m3.

This exceptional construction ensures durability and high-performance. The high-temperature black finish adds an extra layer of protection. Fully HETAS approved and CE marked with designation numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20, it guarantees safety and compliance.

Installation is straightforward with all parts fully welded and a secure locking band provided. Be mindful to maintain a safe distance of 50mm from any combustible materials during installation.

SKU: 37-125-103

Technical Specifications
SKU37-125-103
Designation 1EN1856-1 T600 N1 W V2 L50040 G50
Designation 2EN1856-1 T200 P1 W V2 L50040 O20
Outer Material304 Stainless Steel - 0.40mm thick, High Temperature Black Coated
Inner Material316L Stainless Steel - 0.40mm thick
InsulationCompressed Rockwool (200kg/m3)
Fuel CompatibilityWood, Oil, Gas, Low Sulphur Coal
ApprovalsHETAS / CE
Minimum Combatible Clearance50mm
Diameter125mm (5 inch)
• Ensure that the flue assembly is installed with a minimum clearance of 50mm from all combustible materials such as wood and plasterboard. • Use the provided secure locking band to firm up the structure, ensuring a stable connection between all welded components. • Follow all standard safety protocols during installation, and confirm that the system is in line with the HETAS and CE guidelines. • Verify that all measurements and clearances are accurately maintained to optimise performance and safety. • For any unforeseen issues during setup, refer to the detailed installation manual or contact our support team for assistance.

The H-Cowl is compatible with solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, oil boilers, and gas boilers.

The outer skin is made from 304 stainless steel with a thickness of 0.4mm, and the inner skin is made from 316 grade stainless steel, also 0.4mm thick. It is insulated with compressed rockwool at a density of 200kg/m3.

Yes, it is HETAS approved and CE marked with designation numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.

The parts are secured together using a locking band (supplied). Ensure a distance of 50mm from any combustible materials like wood or plasterboard when installing.

The H-Cowl is a static anti-down draft terminal with no moving parts, providing excellent stability and effectiveness in preventing down drafts and water ingress in high wind conditions.

A minimum distance of 50mm should be maintained from the outside of the flue to any combustible material.

National Flues offers competitive pricing, reliable nationwide delivery, and a commitment to serving both retail and trade customers. Our products are top-notch, and we ensure secure online payments for all retail orders.
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 TWPro MB - H-Cowl - Ø 125

National Flues Ltd Verdict

The TWPro MB - H-Cowl - Ø 125 is an outstanding anti-down draft terminal, providing excellent protection against water ingress. With nationwide delivery and full support for both retail and trade customers, National Flues ensures you're getting the best in quality and service.

The TWPro MB - H-Cowl - Ø 125 is designed to prevent downdrafts and water ingress in chimneys, making it ideal for use in high wind areas. It is compatible with various fuel-burning appliances, including solid fuel, gas, and oil systems.

The TWPro series by National Flues represents the pinnacle of quality and innovation in chimney and flue solutions. Renowned for their robust construction and superior performance, TWPro products are a trusted choice for both trade and retail customers across the UK.

 

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Secure your TWPro MB - H-Cowl now to enhance your fireplace performance and ensure unrivalled safety.

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