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 GREY - Locking Band - Ø 125 (17-125-050)
The TWPro GREY Locking Band Ø 125 from National Flues is a premium solution for securing your chimney flue system. Designed for both solid fuel and gas/oil appliances, this reliable locking band offers exceptional durability and thermal resistance. As a leading product for chimney safety, it stands out in quality and compliance with industry standards such as HETAS and CE. Ideal for homeowners and trade professionals alike, this locking band is your go-to accessory for ensuring the secure and efficient operation of your chimney system.
Hover to Zoom / Click for Gallery
Low Stock! – Order Now
£8.49
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Essential locking solution for secure chimney flue joints
Constructed with dual stainless steel: 316L inner and 304 outer (0.40mm thick each)
Compressed rockwool insulation (200kg/m³) for excellent thermal resistance
Fully welded assembly for reliable performance
Compliant with HETAS and CE standards
Suitable for solid fuel, gas, and oil appliances
×
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 GREY Locking Band Ø 125 is an essential component for securing two parts of your chimney flue system. Ideal for solid fuel, gas, and oil appliances such as woodstoves, gas coal effect fires, and various types of boilers, this locking band ensures optimal safety and durability. Constructed with high-quality 304 grade stainless steel for the outer skin and 316 grade stainless steel for the inner skin, both 0.4mm thick, it offers robust performance.
The insulation is made from compressed rockwool with a density of 200kg/m³, providing excellent thermal resistance. Fully welded parts and a distance requirement of 50mm from combustibles make this product both safe and efficient. Approved by HETAS and CE marked, it complies with standards EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20.
When installing, ensure each joint is secured with one of these locking bands, maintaining a safe distance from combustible materials.
SKU: 17-125-050
Technical Specifications
SKU
17-125-050
Item
Locking Band - Ø 125
Designation
EN1856-1 T600 N1 W V2 L50040 G50 & EN1856-1 T200 P1 W V2 L50040 020
System
TWPro GREY
Inner Material
316L Stainless Steel - 0.40mm thick
Outer Material
304 Stainless Steel - 0.40mm thick
Insulation
Compressed rockwool (200kg/m³)
Distance To Combustibles
50mm
Approvals
HETAS / CE
Fuels
Wood, Oil, Gas, Low sulphur coal
• Install the locking band at every flue joint to ensure structural integrity and safety.
• Maintain a minimum 50mm gap between the flue outer skin and any combustible material such as wood or plaster board.
• Ensure all parts are fully welded and secure before use.
• Follow EN1856-1 guidelines during installation and consult a certified installer if uncertain.
• Check that the product complies with your local building regulations and appliance standards.
It can be used with solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, oil and gas boilers, and any other solid fuel appliances.
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.
The insulation consists of compressed rockwool with a density of 200kg/m³.
A minimum distance of 50mm should be maintained from the outer flue to any combustible material like wood or plaster board.
Yes, it is HETAS approved and CE marked, complying with standards EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20.
It is crucial to use a locking band at every joint to ensure the stability and safety of the chimney flue system.
Absolutely, it is suitable for both retail and trade customers, offering the same reliability and safety across all applications.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Tuesday, April 29th.
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 GREY - Locking Band - Ø 125 buyers guide
TWPro GREY Locking Band Ø 125 Buyers Guide
When it comes to ensuring the safety and efficiency of your chimney flue system, the TWPro GREY Locking Band Ø 125 is an essential component. This comprehensive guide will walk you through the key features, benefits, installation considerations, and optional accessories for the locking band, helping you make an informed decision for your home or business.
Overview
The TWPro GREY Locking Band is engineered to provide a secure, reliable join between two sections of a chimney flue system. Constructed using a dual stainless steel design—featuring an inner layer of 316L stainless steel and an outer layer of 304 stainless steel, both at a thickness of 0.40mm—this product is built to withstand the rigours of heating systems powered by wood, oil, gas, and low sulphur coal. Its fully welded construction not only guarantees durability but also meets the EN1856-1 standards required for modern flue systems.
Key Features and Benefits
Robust Construction: The use of high-quality 316L and 304 stainless steel ensures that the locking band is highly resistant to corrosion, extending the life of your chimney system. This robust construction is crucial for maintaining the safety and efficiency of your heating appliance.
Thermal Insulation: With an effective compressed rockwool insulation density of 200kg/m³, the locking band plays a significant role in resisting heat transfer, preserving the integrity of the flue and protecting adjacent combustible materials.
Ease of Use: Designed for easy installation, the locking band secures every joint with minimal effort. When installing, always maintain a clearance of at least 50mm from any combustible surfaces, as recommended by safety guidelines.
Certifications: This product is HETAS approved and CE marked, ensuring that it meets the highest safety and performance standards. These certifications provide peace of mind, confirming that the locking band is both reliable and compliant with industry standards.
Installation Guidelines
Proper installation is key to maximising the performance of the TWPro GREY Locking Band. Always follow these essential steps:
- Preparation: Check that all components are available before beginning installation. Ensure that your working area is free from debris and that you have the necessary tools at hand.
- Clearance: Maintain the minimum required distance of 50mm between the exterior of the flue and any combustible surfaces. This precaution is critical in preventing potential hazards.
- Securing Joints: Install one locking band at every joint. The secure connection provided by this product is vital for the stability and overall safety of your chimney flue system.
- Inspection: Once installed, inspect the locking band and surrounding areas to ensure that everything is correctly assembled and that no safety guidelines have been overlooked.
Addressing Common Concerns
Will this component fit with my existing flue system?
The TWPro GREY Locking Band Ø 125 is designed to be versatile and compatible with a wide range of chimney installations. Whether you are upgrading an old system or installing a new one, this locking band will integrate seamlessly.
Is professional installation required?
While the product is designed for straightforward installation, we recommend consulting with a certified professional if you are uncertain about any aspect of the installation process. Adhering to safety protocols is paramount.
What if I need additional accessories?
For a complete chimney system upgrade, consider exploring complementary accessories such as chimney flashing, seals, and additional reinforcement components. These optional accessories can further enhance the performance and safety of your flue system. A quick search on our website will reveal a range of products that work in harmony with the TWPro GREY Locking Band.
Benefits of Investing in Quality
Investing in a high-quality locking band not only guarantees durability but also contributes to the overall safety of your property. A secure chimney flue system is essential for reducing the risk of hazardous situations, such as fires caused by improper installation or degraded components. With the TWPro GREY Locking Band, you can be confident that you are making a wise investment that will pay dividends in long-term safety and efficiency.
Final Thoughts
In summary, the TWPro GREY Locking Band Ø 125 is a critical component for any chimney flue system, offering reliable performance, robust construction, and superior insulation. The product is designed to meet strict safety standards, which is why it is HETAS approved and CE marked. With its easy installation process, it fits a wide range of applications, making it suitable for both residential and commercial settings. Additionally, the option to search for complementary accessories ensures that your entire chimney system can be optimised for performance and safety.
Choosing the right components for your chimney not only safeguards your property but also enhances the efficiency of your heating system. National Flues is committed to offering products that meet the highest standards of quality and performance. The TWPro GREY Locking Band Ø 125 is a perfect example of this commitment, providing you with a dependable solution for securing your flue system.
Every detail, from material selection to the design of the insulating layer, has been considered to deliver unmatched security and longevity. The locking band not only holds your flue securely in place but also contributes to maintaining the thermal efficiency of your system. This makes it an indispensable part of your chimney installation.
Before finalising your installation, it is always beneficial to review the installation guidelines and verify compliance with all local building regulations. If you have any doubts or require professional advice, seeking expert guidance can ensure that your installation is performed safely and correctly.
Experience the reliability and peace of mind that comes with a well-secured chimney system. Optimize your installation by exploring our range of accessories that enhance both safety and performance. Remember, the right components lead to a safer, more efficient home environment.
Secure your chimney flue system today – add to cart now or call 01670 206 999.
Compatible and other products that may be of interest...