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Locking Band Ø 125 (2-125-050)

National Flues offers the Locking Band Ø 125, a top-quality component designed to secure your chimney flue effectively. Perfect for woodstoves, oil/gas boilers, and similar applications, this product is an essential jointing accessory. With HETAS approval and CE marking, our Locking Band ensures safety, durability, and efficiency. Enhance your flue installation with National Flues – your trusted supplier of high-performance chimney accessories in the UK.
The price you pay today £11.99
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At a Glance

    Constructed from premium 304 and 316 stainless steel (0.40mm thick)
    Compressed rockwool insulation (200kg/m³) for superior thermal protection
    HETAS Approved and CE marked for safety compliance
    Designed for diverse fuels: wood, oil, gas, and low sulphur coal
    Easy-to-install locking mechanism for quick, secure flue section joining
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, June 9th. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. 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.

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.

Have Questions?
Phone: 01670 206999
Email: [email protected]

The Locking Band Ø 125 is designed for securing flue sections in chimney systems for various appliances including woodstoves, gas coal effect fires, and oil/gas boilers. Constructed with high-grade materials, the outer skin is made from 304 grade stainless steel (0.4mm thick) and the inner skin is crafted from 316 grade stainless steel (0.4mm thick) to ensure durability and longevity. The insulation consists of compressed rockwool with a density of 200kg/m3, offering excellent thermal protection.

This product is HETAS Approved and CE marked, ensuring compliance with rigorous standards. Installation is straightforward, requiring a Locking Band at every joint and maintaining a minimum distance of 50mm from any combustible materials.

SKU: 2-125-050

Technical Specifications
SKU2-125-050
Dimensionsu00d8 125 (see technical drawings for exact measurements)
Outer Material304 Stainless Steel, 0.40mm thick
Inner Material316 Stainless Steel, 0.40mm thick
InsulationCompressed Rockwool, 200kg/mu00b3
CertificationsHETAS Approved, CE Marked
Minimum Clearance To Combustibles50mm
SystemTWPro
Applicable FuelsWood, Oil, Gas, Low sulphur coal
1. Ensure all flue sections are clean and free from debris before installation. 2. Align the flue sections carefully and position a Locking Band at every joint. 3. Secure each joint, making sure to maintain a minimum clearance of 50mm from any combustible materials. 4. Verify a snug, secure fit across all connections. 5. If additional sealing or insulation accessories are recommended, integrate them as per manufacturer guidelines. Follow all provided instructions closely to ensure compliance with safety standards.

This Locking Band is suitable for solid fuel, gas, and oil appliances, such as woodstoves, gas coal effect fires, and oil/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. It also includes compressed rockwool insulation with a density of 200kg/m3.

Yes, it is HETAS Approved and CE marked, ensuring it meets high safety and quality standards.

Installation is simple. Use the Locking Band to secure flue sections together, ensuring a minimum distance of 50mm from any combustible materials.

A minimum distance of 50mm must be maintained from the flue's exterior to any combustible materials like wood or plasterboard.

The 200kg/m3 density of compressed rockwool insulation ensures excellent thermal performance, helping to maintain safe operation temperatures for the flue system.

Yes, the Locking Band Ø 125 is suitable for both residential and commercial installations, providing reliable performance for various applications.

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