Sflue Black () - Slip Section Adj Clamp Band - Ø 127
At a Glance
- - Durable 304 and 316 stainless steel construction (0.4mm thick each)
- - HETAS approved and CE marked for safety and reliability
- - Innovative 8 barbed twist lock mechanism with an adjustable clamp band
- - Versatile compatibility with woodstoves, oil/gas boilers, and solid fuel appliances
- - Maintains a minimal distance of 50mm to combustibles for enhanced safety
- - High-density compressed rockwool insulation for superior thermal performance

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
The Sflue Black Slip Section Adjustable Clamp Band - Ø 127mm is an essential component for secure and efficient chimney installations for both solid fuel and gas/oil appliances, such as woodstoves, gas coal effect fires, oil and gas boilers, and other solid fuel appliances. Engineered with durability in mind, the outer skin is constructed from 0.4mm thick 304 grade stainless steel, while the inner skin is made from 0.4mm thick 316 grade stainless steel. The high-density compressed rockwool insulation, encased within twist-lock couplers, ensures optimal safety and performance.
It boasts a distance to combustibles of just 50mm, making it versatile and safe for various installations.The Sflue system is HETAS approved and CE marked with the designation number EN1856-1 T450 N1 D V2 L50040 G50, validating its quality and safety standards. Installation is a breeze with the 8 barbed twist lock mechanism, where parts are securely fastened using a Locking Band. Remember to maintain a 50mm distance from any combustible materials such as wood and plasterboard to ensure a safe setup.
SKU: 42-125-021
Technical Specifications | |
---|---|
SKU | 42-125-021 |
Nominal Diameter | u00d8 127mm |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Inner Material | 316 Stainless Steel (0.40mm thick) |
Insulation | High-density compressed rockwool |
Approvals | HETAS / CE (EN1856-1 T450 N1 D V2 L50040 G50) |
Installation Mechanism | 8 barbed twist lock mechanism with Locking Band |
Distance To Combustibles | 50mm |
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 Tuesday, April 8th. 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
The Sflue Black Slip Section Adjustable Clamp Band - Ø 127mm is a highly reliable choice for solid fuel and gas appliances. It's designed to meet the highest standards, ensuring safety and efficiency. Plus, with National Flues, you're getting unbeatable prices and nationwide delivery, whether you're a trade customer or a retail buyer.
The Sflue Black Slip Section Adjustable Clamp Band is used for creating secure and efficient chimney installations for various solid fuel and gas/oil appliances.
Sflue is a reputable brand known for its high-quality chimney flue systems, engineered to meet rigorous safety and performance standards. Their products are HETAS approved and CE marked, ensuring reliable and safe installations.
