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 - Tee Cap - Ø 125 (37-125-036)
National Flues presents the TWPro MB Tee Cap - Ø 125mm, a high-quality chimney flue accessory designed to deliver superior performance for gas, oil, and solid fuel systems. Engineered for durability with dual-grade stainless steel and insulated with compressed rockwool, this tee cap represents the perfect blend of safety and efficiency. Enhance your chimney installation with this robust, HETAS approved, and CE marked component that meets all ENC standards.
Hover to Zoom / Click for Gallery
In Stock
£23.99
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Superior 0.4mm thick dual stainless steel construction
Dual-layer design: 316L inner and 304 outer with high-temperature black coating
HETAS approved and CE marked for guaranteed compliance
Suitable for solid fuel, gas, and oil appliances
Insulated with compressed rockwool for optimal thermal performance
Easy installation with a supplied locking band
Meets stringent EN1856-1 designations for quality and safety
×
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 Tee Cap - Ø 125mm is the perfect accessory for capping off the bottom or unused end of your 90/135 Tee. Specifically designed for use with solid fuel, gas, and oil appliances, including wood stoves, gas coal effect fires, oil boilers, and gas boilers, this versatile component ensures safe and efficient operation. Constructed with a robust outer skin made from 0.4mm thick 304-grade stainless steel, it is coated with a high-temperature black finish for added durability.
The inner skin is crafted from 0.4mm thick 316-grade stainless steel. Insulated with compressed rockwool achieving a density of 200kg/m³, every part is fully welded to deliver top-notch performance. Compliance is assured with HETAS approval and CE markings, boasting designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.
Installation is straightforward with the supplied locking band, ensuring a secure fit. Maintain a safe 50mm distance from any combustible materials like wood or plasterboard to ensure optimal safety.
SKU: 37-125-036
Technical Specifications
Model
TWPro MB Tee Cap - u00d8 125mm
Inner Material
316L Stainless Steel (0.40mm)
Outer Material
304 Stainless Steel (0.40mm, High Temperature Black Coated)
Insulation
Compressed Rockwool (200kg/mu00b3)
Approvals
HETAS, CE
Designations
EN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 P1 W V2 L50040 O20
Installation
Supplied locking band
Combustible Distance
50mm
Install the TWPro MB Tee Cap by first ensuring that all chimney components are cool and safe to handle. Fit the cap at the bottom or on the unused end of a 90/135 Tee and secure it using the supplied locking band. Always maintain a minimum 50mm gap from any combustible materials, such as wood or plasterboard, during installation. If you are uncertain about any step in the process, seek assistance from a qualified professional to ensure compliance with local safety regulations.
The TWPro MB Tee Cap is suitable for solid fuel, gas, and oil appliances including wood stoves, gas coal effect fires, oil boilers, and gas boilers.
The outer skin of the TWPro MB Tee Cap is made from 304-grade stainless steel with a high-temperature black finish, while the inner skin is 316-grade stainless steel. It also features compressed rockwool insulation.
Yes, the TWPro MB Tee Cap is HETAS approved and also CE marked, ensuring compliance with industry standards.
Installation is simple with the supplied locking band. Ensure a secure fit and maintain a 50mm distance from any combustible materials.
You must maintain a 50mm distance from any combustible materials such as wood or plasterboard when using the TWPro MB Tee Cap.
Yes, the TWPro MB Tee Cap is typically fitted at the base support and allows for easy removal, making it convenient for sweeping and access.
The designations for the TWPro MB Tee Cap are EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.
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 - Tee Cap - Ø 125 buyers guide
Introduction
The TWPro MB Tee Cap - Ø 125mm is a high-performance accessory developed by National Flues for capping off the bottom or unused end of your chimney flue tee. Engineered using premium 316L and 304-grade stainless steel, this product ensures long-lasting durability and reliability, even in the demanding conditions associated with solid fuel, gas, and oil appliances. In addition, the smart design and high-quality construction aid in maintaining peak thermal performance and optimal safety throughout your flue system.
Product Overview
For homeowners and trade professionals alike, the TWPro MB Tee Cap offers a straightforward solution to cap off an unused flue opening. Its dual-layer structure is fortified with 0.4mm thick stainless steel, ensuring resistance against corrosive environments and extreme temperatures. The high-temperature black coating on the outer layer not only adds aesthetic appeal but also provides a layer of protection from the elements. With approvals from HETAS and CE, you can be confident that this product adheres to the highest safety and performance standards in the industry.
Key Features and Benefits
- Dual Stainless Steel Construction: Crafted with an inner layer of 316L and an outer layer of 304 stainless steel, the cap is built to last, ensuring reliable performance over many years.
- Thermal Insulation: Filled with compressed rockwool insulation (200kg/m³), the cap helps in maintaining the required thermal performance and optimal fuel efficiency of your appliance.
- Effortless Installation: The design includes a locking band that simplifies the installation process, reducing downtime and providing a secure fit.
- High Safety Standards: Compliance with HETAS and CE ensures that the product meets stringent safety regulations, making it a sound choice for both residential and commercial applications.
Addressing Common Concerns
Durability in Harsh Conditions
One of the primary concerns with chimney components is their ability to withstand high temperatures and corrosive by-products of fuel burning. The TWPro MB Tee Cap's use of high-grade stainless steel significantly enhances its durability, ensuring that it does not deteriorate quickly even under constant thermal stress. Its robust construction plays a critical role in preventing potential hazards and preserving the overall integrity of your chimney system.
Safety and Compliance
The consistent compliance with EN1856-1 designations, along with HETAS and CE approvals, ensures that this tee cap provides a secure fit while maintaining essential safety margins, including a minimum 50mm clearance from combustibles. This rigorous adherence to safety protocols minimizes risks and reassures homeowners that their installations comply with local building regulations. If you ever have any doubts, consulting professional installers can further bolster your confidence in the product.
Compatibility with Multiple Fuel Types
Whether your appliance operates on wood, oil, or gas, the TWPro MB Tee Cap is engineered to accommodate multiple fuel types. This flexibility is particularly beneficial for properties that make use of different heating systems or for trade professionals who require versatile components for various installations.
Installation Guidance
Installing the TWPro MB Tee Cap is a straightforward process, thanks to its intuitive design. Start by ensuring that your chimney system is cool and free from debris. Position the tee cap at the bottom or the unused end of the 90/135 Tee, then secure it using the provided locking band. As with all flue installations, maintaining a 50mm distance from combustible materials is essential for safety. Detailed instructions are included with the product, but if any uncertainty arises, professional assistance is recommended. This basic yet thorough method ensures that your installation is both secure and compliant with safety standards.
Comparing Accessories
While the TWPro MB Tee Cap stands out due to its superior build quality and safety features, it is only one part of a comprehensive chimney system. National Flues also offers a range of additional accessories including complete chimney liners, flue systems, and maintenance tools designed to enhance your installation further. Running a thorough search for these supplementary accessories can provide a complete solution, ensuring that each component seamlessly complements the others for an optimised and safe chimney system.
Optional Accessories
To maximize the performance and longevity of your chimney installation, consider exploring related accessories. Optional components such as additional insulation packages, maintenance kits, and more advanced clamping systems can upgrade your setup significantly. These accessories are designed to work in harmony with the TWPro MB Tee Cap, offering enhanced safety, improved thermal efficiency, and ease of maintenance. A brief search on the National Flues website or a conversation with a National Flues representative could guide you through the available range of complementary products.
Conclusion
In summary, the TWPro MB Tee Cap - Ø 125mm offers a well-balanced combination of durability, safety, and efficiency. Its robust construction, user-friendly installation, and compliance with rigorous standards make it an essential component in any modern chimney system. If you are looking for a dependable solution that addresses common challenges such as thermal efficiency and system safety, this product is designed to meet your needs. A careful investment in quality accessories today ensures the reliability of your chimney system for years to come. National Flues is committed to supporting both homeowners and trade professionals with innovative solutions at competitive prices.
Buy now or call 01670 206 999.
Compatible and other products that may be of interest...
