We use cookies to ensure a smooth, secure, and ever-improving experience on our website. By continuing to browse, you agree to our use of cookies as detailed in our Cookie Policy. Enjoy your visit and let us now if you need any help!
Cookie Preferences
We use different types of cookies for various purposes. Please select which you allow:
TWPro - MB MI AD-Cowl - Ø 125 (37-125-105)
Discover National Flues’ TWPro - MB MI AD-Cowl - Ø 125, a leading chimney flue terminal expertly engineered to eliminate downdraught issues. This premium flue terminal is designed for both trade and retail customers seeking durable, high-performance solutions. With performance attributes such as excellent heat resistance, compatibility with all fuel types, and robust construction, this product is the perfect addition to any chimney system. Enhance your setup with complementary accessories to further boost efficiency and safety.
Hover to Zoom / Click for Gallery
In Stock
£122.99
with free delivery
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Addresses downdraught issues effectively
Constructed with high-grade 304 and 316 stainless steel
HETAS approved and CE marked for safety and reliability
Suitable for all fuel types (wood, gas, oil, solid fuels)
Fully welded construction for enhanced durability
Easy installation with supplied Locking Band and clear 50mm combustible spacing
×
Email Product
Enter your email address to send the product details:
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 TWPro - MB MI AD-Cowl - Ø 125 is your go-to solution for addressing downdraught issues in chimneys. Expertly crafted for seamless integration with TWPro system components, this terminal adds both functionality and aesthetic appeal to your chimney setup. Constructed from high-quality materials, the outer skin is made from 304 stainless steel and coated with a high-temperature black finish, while the inner skin consists of 316-grade stainless steel, making it suitable for all fuel types including wood, gas, oil, and solid fuels.
To ensure outstanding insulation, it features compressed rockwool with a density of 200kg/m3. Fully welded construction and compliance with HETAS and CE standards ensure both safety and durability. The terminal is easy to install using a supplied Locking Band and maintains a safe 50mm distance from combustibles, making it a reliable choice for any chimney system.
SKU: 37-125-105
Technical Specifications
SKU
37-125-105
Diameter
125mm
Material Outer
304 stainless steel with high-temperature black finish
Material Inner
316-grade stainless steel
Insulation
Compressed rockwool (200kg/m3 density)
Construction
Fully welded
Approvals
HETAS and CE marked
Installation
Locking Band supplied; maintain 50mm clearance from combustibles
Before installation, ensure that the chimney area is clear of any obstructions and that a safe 50mm distance from any combustible material is maintained. Step 1: Verify the measurements and check that the Locking Band supplied is intact. Step 2: Position the TWPro - MB MI AD-Cowl at the chimney termination, aligning it properly with the system. Step 3: Secure the terminal using the Locking Band, ensuring all components are fixed firmly in place. Step 4: Inspect the installation to confirm that the terminal is stable, with no gaps or loose fittings. Warning: Always adhere to manufacturer guidelines and local regulations. Any modifications can void the product's approvals, so ensure that installation is performed by a qualified professional if uncertainty exists.
The terminal is compatible with all types of fuels, including wood stoves, gas, oil boilers, and solid fuel appliances.
The outer skin is made from 304 stainless steel with a high-temperature black finish, while the inner skin consists of 316-grade stainless steel.
Both the outer and inner skins are 0.4mm thick.
Yes, the TWPro terminal is HETAS approved and CE marked, providing assurance of its quality and compliance with safety standards.
A distance of 50mm from the outside of the flue to any combustible material such as wood or plasterboard is required.
The terminal is installed using a Locking Band, which is supplied with the product. This ensures a secure and straightforward assembly.
Yes, the high-temperature black finish on the outer skin makes it suitable for high-temperature applications, ensuring longevity and reliability.
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 TWPro - MB MI AD-Cowl - Ø 125 buyers guide
Comprehensive Buyers Guide for the TWPro - MB MI AD-Cowl - Ø 125
The TWPro - MB MI AD-Cowl is a cutting-edge solution designed to address the persistent problem of downdraughts in chimney systems. Manufactured by National Flues, a leader in chimney and flue solutions across the UK, this terminal represents the pinnacle of advanced design and engineering. In this guide, we will explore every aspect of this product, ensuring you have all the necessary information to make an informed purchasing decision.
Product Overview
The TWPro - MB MI AD-Cowl is a sophisticated chimney terminal that effectively prevents downdraughts while ensuring optimum heat dissipation. The product’s robust construction features an outer layer of 304 stainless steel finished with a high-temperature black coating, while the inner layer is crafted from 316-grade stainless steel. This two-tier material approach not only guarantees longevity but also ensures compatibility with a range of fuel types including wood, gas, oil, and solid fuels. Whether you are a homeowner keen on upgrading your heating system or a trade professional tasked with meeting client specifications, this terminal delivers exceptional performance and reliability.
Key Features and Their Benefits
- High-Quality Materials: The use of premium stainless steels ensures that your terminal remains durable under the most strenuous conditions, providing a longer service life and reducing the need for frequent replacements.
- HETAS and CE Approval: Safety is paramount in any installation. The TWPro terminal has received the necessary HETAS and CE approvals, ensuring that it complies with UK safety standards and enhances the overall security of your property.
- Versatile Fuel Compatibility: Designed for various fuel types, this terminal is adaptable to different heating systems, making it a practical choice for diverse applications.
- Efficient Insulation: The incorporated compressed rockwool with a density of 200kg/m3 ensures effective thermal insulation, helping to maintain optimal chimney temperatures and reduce energy loss.
- Easy Installation: With the supplied Locking Band, installation is straightforward and can be accomplished with minimal fuss. The clear installation guidelines help streamline the process, making it ideal for both seasoned professionals and DIY enthusiasts.
Installation Guidelines
Correct installation is critical to achieving optimal performance from your chimney system. It is essential that the TWPro - MB MI AD-Cowl is installed by following the specific instructions provided by National Flues. The installation involves careful measurement to maintain a 50mm clearance from any combustible materials, ensuring both safety and regulatory compliance. Always refer to the detailed instructions in your product manual and if in doubt, consult a certified installer. Following these guidelines not only secures the product effectively but also maximises its longevity and efficacy.
Accessories to Consider
To maximise the performance of your chimney, it is advisable to consider additional accessories that complement the TWPro - MB MI AD-Cowl. Optional additions include insulation kits, additional flue components, and maintenance tools. These accessories are designed to work in harmony with your terminal, further enhancing the efficiency, safety, and overall performance of your chimney system. A well-rounded installation can significantly reduce energy loss and improve the thermal dynamics of your entire setup.
Addressing Common Objections
Cost: While the initial investment may appear higher compared to basic models, the long-term benefits in durability, energy savings, and maintenance reductions justify the cost. Investing in a high-quality terminal like the TWPro - MB MI AD-Cowl ensures fewer replacement needs and a smoother, safer operation.
Installation Concerns: For those worried about installation complexity, the supplied Locking Band simplifies the process and National Flues provides detailed guidelines to assist installers. With a little care and adherence to instructions, the installation can be completed efficiently.
Compatibility: Some buyers may be concerned about fuel compatibility. Rest assured, this terminal is designed for all types of fuels, ensuring it performs optimally irrespective of the heating system in place.
Final Thoughts
Choosing the right chimney solution is crucial for maintaining a warm, safe, and efficient home environment. The TWPro - MB MI AD-Cowl - Ø 125 offers unmatched quality and performance. Designed for those who demand excellence, it not only counters downdraught issues but also represents a valuable, long-term investment in your property’s comfort and safety. With its impressive build quality, easy installation, and compatibility with multiple fuel types, this terminal is an indispensable component of modern chimney systems. National Flues stands behind its products with reliable customer support and nationwide delivery, ensuring your purchase is worry-free.
Make an informed choice and take the next step towards upgrading your chimney system. Buy now or call 01670 206 999.
Compatible and other products that may be of interest...