Sflue Black (2110605B) - Pipe 120mm - Ø 127
At a Glance
- - Constructed with robust 304 stainless steel outer and 316L stainless steel inner skins (each 0.40mm thick)
- - Meets EN1856-1 T450 N1 D V2 L50040 G50 standards for safety and performance
- - Versatile compatibility with wood, oil, gas, and low sulphur coal appliances
- - Innovative 8-barbed twist lock system with locking band for secure assembly
- - Compressed rockwool insulation (230kg/m3) improves efficiency and safety
- - Backed by a 15-year manufacturing defect warranty and 2-year paint warranty

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 (2110605B) 120mm Pipe with a diameter of 127mm is an exemplary solution for anyone looking to install or upgrade their chimney system. This pipe is designed for use with a wide range of appliances including woodstoves, gas coal effect fires, oil, and gas boilers, and other solid fuel appliances. Constructed with a robust outer skin made from 304 grade stainless steel and an inner skin fashioned from 316 grade stainless steel, each 0.4mm thick, it ensures durability and long-lasting performance.
The insulation within the pipe is compressed rockwool with a density of 230kg/m3, encapsulated neatly within twist-lock couplers, guaranteeing an efficient, safe, and secure fit. Fully laser welded and HETAS approved, the Sflue Black pipe meets the stringent EN1856-1 T450 N1 D V2 L50040 G50 standards. It is essential to maintain a 50mm distance from any combustible material during installation for safety reasons.
The innovative 8-barbed twist lock system along with the use of a locking band ensures that the chimney components are securely connected, providing peace of mind.
SKU: 42-125-013
Technical Specifications | |
---|---|
SKU | 42-125-013 |
Diameter | 127mm |
Pipe Size | 120mm |
Outer Material | 304 Stainless Steel, 0.40mm thick |
Inner Material | 316L Stainless Steel, 0.40mm thick |
Insulation | Compressed Rockwool (230kg/m3) |
Approvals | HETAS / CE (EN1856-1 T450 N1 D V2 L50040 G50) |
Connection | 8-barbed twist lock and locking band |
Warranty | 15 Years manufacturing defect, 2 Years paint warranty |
Distance To Combustibles | 50mm |
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 120mm Pipe is a top-tier product that we proudly supply. With solid build quality and reliable performance, it's perfect for both retail and trade customers. Plus, our unbeatable prices and nationwide delivery make it a smart choice.
The Sflue Black 120mm Pipe is designed to safely and efficiently channel smoke and gases from your solid fuel or gas/oil appliances to the outside atmosphere.
National Flues is committed to providing high-quality fireplaces and flues to retail and trade customers across the UK, with competitive pricing and reliable nationwide delivery.
