Sflue Black (2108605B) - Locking Band CLIP - Ø 127
At a Glance
- Secure assembling of chimney flue joints for ultimate system stability
- Dual-layer stainless steel construction (304 exterior, 316L interior, both 0.40mm) for durability
- HETAS approved and CE marked to meet strict safety and performance standards
- Quick and efficient 8-barbed twist-lock mechanism ensures a snug fit
- Versatile compatibility with wood, oil, gas, and low sulphur coal appliances

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]
- Info
- Specs
- Install
- FAQs
Our Sflue Black Locking Band Clip Ø 127mm is an essential component designed for secure assembly of chimney flue systems. Targeted for solid fuel and gas/oil appliances, such as woodstoves, gas coal effect fires, and oil and gas boilers, this clip is a reliable solution for all your heating installations.Constructed with superior materials, the outer skin is made of 304 grade stainless steel, while the inner skin comprises 316 grade stainless steel, both with a thickness of 0.4mm. Insulated with compressed rockwool, it boasts a remarkable density of 230kg/m^3 encapsulated within its twist-lock couplers, ensuring maximum efficiency and safety.Approved by HETAS and CE marked, the Sflue system meets the EN1856-1 T450 N1 D V2 L50040 G50 standard, promising optimal performance.
Each component is fortified with an 8-barbed twist-lock mechanism, secured together by a locking band to maintain structural integrity. Remember to keep a minimum safe distance of 50mm from combustibles like wood and plasterboard.
SKU: 42-125-050
Technical Specifications | |
---|---|
SKU | 42-125-050 |
Locking Band Size | u00d8 127mm |
Outer Material | 304 Stainless Steel, 0.40mm thick |
Inner Material | 316L Stainless Steel, 0.40mm thick |
Insulation | Compressed Rockwool, density 230kg/m^3 |
Compliance | HETAS / CE (EN1856-1 T450 N1 D V2 L50040 G(50)) |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal |
Minimum Safe Distance | 50mm from combustibles |
Warranty | 15 Years manufacturing defect warranty; 2 Years paint warranty |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. 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. If you find it cheaper within 48 hours, we'll refund the difference.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
At National Flues, we firmly believe in delivering only the best to our customers. The Sflue Black Locking Band Clip Ø 127mm is no exception. Its robust construction and HETAS approval ensure both safety and reliability. With prompt nationwide delivery and competitive pricing, it’s perfect for both retail and trade customers.
The Sflue Black Locking Band Clip Ø 127mm is designed to secure joints in chimney flue systems, ensuring the safe operation of solid fuel and gas/oil appliances.
National Flues is a leading UK supplier of high-quality fireplaces and flue systems. Known for unbeatable prices and reliable delivery, they cater to both retail and trade customers across the nation.
