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H-Cowl Ø 150
National Flues presents the H-Cowl Ø 150 – a robust, versatile anti-down draft chimney terminal ideal for woodstoves, gas fires, boilers, and other heating appliances. Crafted from high-quality stainless steel and incorporating the TWPro chimney system, this product guarantees exceptional performanc... More...
National Flues presents the H-Cowl Ø 150 – a robust, versatile anti-down draft chimney terminal ideal for woodstoves, gas fires, boilers, and other heating appliances. Crafted from high-quality stainless steel and incorporating the TWPro chimney system, this product guarantees exceptional performance, energy efficiency, and safety, making it the ideal choice for both residential and commercial installations. Less...
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At a Glance
Versatile use with solid fuel, oil, and gas appliances
Constructed with 304-grade stainless steel outer skin and 316-grade stainless steel inner skin
Premium 0.4mm thickness for lasting durability
Insulated with compressed rockwool (200kg/m³) for top-notch performance
HETAS approved and CE marked for compliance and safety
TWPro Twin Wall Insulated Chimney system with a secure Locking Band
Now only
£98.99
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).
“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.
The H-Cowl Ø 150 is a versatile Anti-Down Draft chimney terminal, suitable for use with solid fuel and gas/oil appliances including woodstoves, gas fires, and boilers. Crafted with a 304-grade stainless steel outer skin and a 316-grade stainless steel inner skin, both 0.4mm thick, it offers long-lasting durability. The insulation comprises compressed rockwool with a density of 200kg/m3, ensuring superior performance.
All components are fully welded, and the design maintains a 50mm distance from combustibles for enhanced safety. The H-Cowl Ø 150 is HETAS approved, CE marked, and features a TWPro Twin Wall Insulated Chimney system, secured with a Locking Band for ease of installation.
SKU: 2-150-103
Technical Specifications
Material Outer
304 Stainless Steel (0.4mm thick)
Material Inner
316 Stainless Steel (0.4mm thick)
Insulation
Compressed Rockwool, 200kg/mu00b3
Approvals
HETAS, CE
Distance To Combustibles
50mm
System
TWPro Twin Wall Insulated Chimney
Installation Feature
Locking Band
Compatible Fuels
Wood, Oil, Gas, Low Sulphur Coal
Ensure all components are fully welded and securely fitted before installation. Maintain a mandatory 50mm clearance from any combustible material. Use the provided Locking Band to fix the TWPro Twin Wall Insulated Chimney system in place. Follow manufacturer guidelines and consult local building regulations for additional safety measures. It is advisable to engage a certified professional if any installation doubts arise.
The H-Cowl Ø 150 is ideal for use with solid fuel and gas/oil appliances such as woodstoves, gas fires, and boilers.
It features a 304-grade stainless steel outer skin and a 316-grade stainless steel inner skin, both with a thickness of 0.4mm.
The product uses compressed rockwool with a density of 200kg/m3, ensuring efficient insulation.
Yes, the H-Cowl Ø 150 is HETAS approved and CE marked, making it compliant with industry standards.
Installation involves securing TWPro Twin Wall Insulated Chimney parts using a Locking Band, while maintaining a 50mm distance from any combustible materials.
This distance is crucial for safety, as it minimizes the risk of fire hazards by keeping the flue away from combustible materials like wood and plasterboard.
Yes, the H-Cowl Ø 150 is specifically designed to offer excellent performance in high wind areas, preventing down drafts and water ingress.
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.
Compatible and other products that may be of interest...
When it comes to ensuring the safety and efficiency of your chimney system, choosing the right terminal is of paramount importance. The H-Cowl Ø 150 stands out as a superior solution, engineered to protect against downdrafts and harsh weather conditions while providing exceptional longevity and performance. In this guide, we delve into every aspect of the product, addressing concerns and outlining the benefits of this innovative chimney terminal.
Why Choose the H-Cowl Ø 150?
The H-Cowl Ø 150 is designed for versatility, accommodating a range of appliances including woodstoves, gas fires, and boilers. Its robust construction, using a 304-grade stainless steel outer skin and a 316-grade stainless steel inner skin, ensures durability even in demanding environments. The reinforcement provided by these high-grade materials guarantees that your installation not only meets but exceeds the safety standards required in today’s market.
Technical Excellence and Safety
At the heart of the H-Cowl Ø 150 is the advanced TWPro Twin Wall Insulated Chimney system, which boasts integrated features such as a secure Locking Band. This design innovation simplifies installation while ensuring a perfect fit, helping to avoid common issues like water ingress and downdrafts. The mandatory 50mm distance from combustible materials is a critical safety feature that minimizes fire risks, making it a reliable choice for homeowners and professionals alike.
Key Safety Features:
• Premium Stainless Steel Construction: With an outer skin of 304 stainless steel and an inner skin of 316 stainless steel, both at 0.4mm thickness, this product offers resilience against corrosion and wear.
• Insulation Efficiency: The compressed rockwool, with a density of 200kg/m³, provides excellent thermal insulation, ensuring that your chimney maintains optimal performance even under extreme conditions.
• Compliance: Being HETAS approved and CE marked, the H-Cowl Ø 150 meets all major industry and safety regulations.
Installation and Ease of Use
The installation process for the H-Cowl Ø 150 is designed with simplicity and efficiency in mind. The integrated Locking Band secures all components, ensuring that the chimney terminal is firmly mounted. Maintaining the 50mm clearance from combustibles is straightforward when following the installation guidelines provided by National Flues. Whether you are a DIY enthusiast or a professional installer, the clear instructions and quality design will allow you to set up your system with confidence.
Installation Tips:
• Preparation: Before installing, ensure that all tools and components are at hand. Read through the installation manual to familiarise yourself with the steps.
• Clearance: Always measure to maintain the required 50mm distance from any combustible materials to comply with safety standards.
• Professional Assistance: If there is any uncertainty, it is advisable to contact a certified installer who can guarantee a safe and secure framework.
Overcoming Common Objections
Investing in a high-quality chimney terminal like the H-Cowl Ø 150 might raise a few questions. Let’s address some of the most common objections:
Objection: 'The initial cost is higher than cheaper alternatives.'
- The H-Cowl Ø 150 is built to last and includes features that reduce long-term maintenance and replacement costs. By preventing downdrafts and water ingress, it safeguards your entire chimney system, thereby saving you money in the long run.
Objection: 'I have concerns about the installation process.'
- With a straightforward design and clear installation instructions, most users find the process simple. Furthermore, the locking band mechanism reduces installation time and ensures that the system is securely fixed. For those who prefer professional assistance, local certified installers familiar with National Flues products are readily available.
Objection: 'Will this terminal work in high wind areas?'
- Absolutely. The H-Cowl Ø 150 is specifically engineered to perform well in high wind conditions, effectively preventing down drafts and ensuring that your chimney remains functional even during gusty weather.
Product Benefits:
By opting for the H-Cowl Ø 150, you are not only upgrading your chimney’s performance but also enhancing your home’s overall safety. The product’s robust design, combined with premium materials and advanced engineering, ensures that you receive a reliable and long-lasting solution for your chimney system.
Accessories and Optional Enhancements
While the H-Cowl Ø 150 itself is a comprehensive solution, you may also want to explore optional accessories that can further optimise your chimney system. Accessories such as additional insulation kits, maintenance tools, or aesthetic enhancements can complement the terminal, ensuring that your installation is both efficient and stylish. If you are interested in exploring these options, a quick search on our website will reveal a variety of compatible accessories designed to work seamlessly with the H-Cowl Ø 150.
Final Thoughts
The H-Cowl Ø 150 is a state-of-the-art chimney terminal that provides excellent performance, superior safety, and unmatched durability. National Flues has meticulously designed this product to meet the demands of modern chimneys, blending technical innovation with practical application. Whether you are upgrading an existing setup or building a new installation, this terminal is the perfect choice to ensure that your chimney remains secure and efficient over time.
Each feature of the H-Cowl Ø 150 has been thoughtfully engineered to reduce potential risks and enhance overall performance. Its compatibility with a wide range of heating appliances, coupled with easy installation and rigorous safety standards, makes it a must-have for any property that values both efficiency and safety. Investing in quality is investing in peace of mind, and with the H-Cowl Ø 150, you can rest assured that your chimney is equipped to handle whatever challenges come its way.
No matter your primary concern—whether it is cost, installation expertise, or long-term durability—this product has been crafted to address and overcome these objections. With National Flues' commitment to quality and a comprehensive support network, you are in safe hands from purchase through to installation.
Buy now or call 01670 206 999.
National Flues Ltd Verdict
The H-Cowl Ø 150 is a top-notch product designed to meet the high standards of both retail and trade customers. Its robust construction and reliable performance make it a favourite. National Flues ensures fast, nationwide delivery and unbeatable prices.
The H-Cowl Ø 150 is designed to act as an Anti-Down Draft terminal for chimneys, protecting against harsh weather conditions and ensuring efficient chimney performance.
National Flues is a leading supplier of high-quality fireplaces and flues in the UK, committed to providing unbeatable prices, reliable delivery, and exceptional service to both retail and trade customers.
Secure your H-Cowl Ø 150 now and experience unmatched performance — order today!