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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. Enhance your chimney’s performance with this durable, HETAS-approved terminal by National Flues, your trusted name in chimney efficiency and safety.
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In Stock
£90.49
Give us a call if you find it cheaper and we'll try to price match.
Static design with no moving parts for wind protection
Secure locking band design ensuring a safe 50mm distance from combustibles
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Please Note: All dimensions refer to the internal diameter of flues.
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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 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
SKU
2-125-103
Product Name
H-Cowl u00d8 125
Dimensions
u00d8125mm
Outer Material
304 Stainless Steel - 0.40mm thick
Inner Material
316 Stainless Steel - 0.40mm thick
Insulation
High-density compressed rockwool (200kg/m3)
Approvals
HETAS / CE
Safety Clearance
50mm from combustible materials
Compliance Standards
EN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 W V2 L50040 O20
System
TWPro
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 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 H-Cowl Ø 125 buyers guide
Comprehensive Buyers Guide for the H-Cowl Ø 125 Chimney Terminal
When choosing a chimney terminal, safety, durability, and performance are of paramount importance. The H-Cowl Ø 125 from National Flues encompasses all these aspects, making it an excellent choice for those seeking a reliable solution for their chimney systems. This guide provides all the necessary details to help you make an informed decision.
Overview
The H-Cowl Ø 125 is designed for use with solid fuel and gas/oil appliances such as woodstoves, oil and gas boilers, and gas coal effect fires. This chimney terminal is built with both aesthetics and functionality in mind. With its dual-layer construction – featuring an outer shell of 304-grade stainless steel and an inner shell of 316-grade stainless steel, each 0.40mm thick – it offers robustness and longevity. The addition of high-density compressed rockwool insulation at 200kg/m3 further enhances its thermal properties, ensuring that energy is efficiently retained while unwanted external factors such as wind and water are kept at bay.
Key Safety and Performance Features
HETAS Approval and CE Marking
The H-Cowl Ø 125 comes with accreditation from HETAS and the CE mark, confirming that it meets stringent UK safety standards. This approval underscores its reliability for use in various installations, providing peace of mind that your chimney system is compliant with important industry guidelines.
Dual Stainless Steel Construction
The use of both 304 and 316-grade stainless steel is a hallmark of the H-Cowl Ø 125. The outer and inner layers protect the chimney from corrosive elements and extreme weather conditions. This dual-layer design not only improves durability but also ensures that your chimney terminal remains effective over time, even under constant exposure to the elements.
Optimised Insulation
Effective insulation is critical for maintaining the temperature within your chimney. The high-density compressed rockwool used in the H-Cowl Ø 125 is specifically selected to provide superior thermal performance. It helps to prevent heat loss and ensures that your chimney operates efficiently, which can lead to improved performance of your heating appliances and overall comfort within your home.
Installation and Maintenance
Easy Installation Process
Installing the H-Cowl Ø 125 is straightforward due to the robust locking band system. This system securely fastens the terminal, ensuring it remains at the recommended clearance of 50mm from any combustible material. Maintaining this gap is essential for the safety of your property and compliance with safety standards. Clear installation instructions are provided and adhering to them is crucial for optimal results.
Routine Maintenance for Lasting Performance
While the H-Cowl Ø 125 is designed to be low maintenance, regular checks are advisable. Ensure that the locking band remains secure and inspect the terminal for any signs of wear or corrosion over time. This proactive maintenance approach will help sustain the performance and extend the lifespan of your chimney terminal.
Addressing Common Objections and Concerns
Worries About Installation Complexity
Some customers worry that installing a chimney terminal like the H-Cowl Ø 125 might be a daunting task. However, the design incorporates a locking band system that simplifies the installation process. With clear instructions and the option to consult professional installers, any concerns regarding set-up can be swiftly addressed.
Concerns Over Durability and Longevity
Given the robust construction materials used, customers can rest assured that the H-Cowl Ø 125 is engineered to withstand harsh weather and environmental conditions. The dual stainless steel layers and high-density insulation work in tandem to provide prolonged performance, ensuring that your chimney remains safeguarded for many years.
Apprehension About Compliance with Safety Standards
Safety is a major priority in any installation involving combustible materials and heating systems. The H-Cowl Ø 125 is not only HETAS approved but also carries a CE mark, delivering verified compliance with UK standards. This means your investment is backed by industry-recognised quality and safety credentials.
Questions About Cost and Value for Money
While initial costs might be a consideration, the H-Cowl Ø 125 offers undeniable long-term value. Its exceptional build quality reduces the need for frequent replacements and repairs, ultimately saving you money. Moreover, improved chimney efficiency can contribute to lower energy costs over time, reinforcing the product’s cost-effectiveness.
Why National Flues?
National Flues is a name synonymous with quality and reliability in the UK chimney market. With a strong track record of delivering high-performance products that meet rigorous safety standards, this company has become a trusted provider for both retail and trade customers. Their dedication to customer service and competitive pricing further enhances the appeal of the H-Cowl Ø 125 as a smart investment for any property.
Final Thoughts
Selecting the right chimney terminal is a critical decision that can affect both the performance and safety of your heating system. The H-Cowl Ø 125 embodies the best in modern chimney technology, designed to deliver effective protection against wind-driven downdrafts and water ingress while ensuring optimal thermal performance and compliance with UK safety standards. Its robust construction, straightforward installation process, and low maintenance needs make it an excellent choice for anyone looking to enhance their chimney’s efficiency and safety.
Every detail of the H-Cowl Ø 125 has been carefully engineered with the end user in mind, ensuring a harmonious blend of safety, performance, and durability. The positive attributes of National Flues and their commitment to quality make this chimneyst terminal a wise addition to any household. If you value reliability, effective insulation, and peace of mind, this is the product for you.
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