Sflue Black (2144005B) - Adjustable Pipe 200-325mm - Ø 127
At a Glance
- - Adjustable length (200-325mm) for versatile installations
- - Built with durable 316L and 304 stainless steel layers
- - 230kg/m3 compressed rockwool insulation ensures excellent thermal efficiency
- - HETAS approved and CE marked for assured safety
- - Secure 8-barbed twist-lock design with Locking Band for rapid assembly

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 Adjustable Pipe 200-325mm - Ø 127 is expertly designed for use with solid fuel, gas, and oil appliances including woodstoves, gas coal effect fires, and boilers. Constructed with a robust outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, each 0.4mm thick, this pipe ensures durability and performance. The pipe features 230kg/m3 compressed rockwool insulation, encapsulated within the twist-lock couplers, providing exceptional thermal efficiency.
This product is HETAS approved and CE marked, meeting stringent safety and quality standards. It maintains a safe distance of 50mm from combustibles, ensuring secure installation. The 8-barbed twist-lock design with a Locking Band ensures easy, secure connections, and the adjustable length offers flexibility when standard dimensions don't fit.
SKU: 42-125-016
Technical Specifications | |
---|---|
SKU | 42-125-016 |
Adjustable Length | 200-325mm |
Diameter | u00d8 127 |
Inner Material | 316L Stainless Steel, 0.40mm thick |
Outer Material | 304 Stainless Steel, 0.40mm thick |
Insulation | 230kg/m3 compressed rockwool |
Approvals | HETAS / CE |
Installation Distance | 50mm from combustibles |
Connection Design | 8-barbed twist-lock with Locking Band |
Warranty | 15 Years manufacturing defect, 2 Years paint |
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.
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National Flues Ltd Verdict
At National Flues, we highly recommend the Sflue Black Adjustable Pipe 200-325mm - Ø 127 for its exceptional flexibility and durability. Trusted by trade and retail customers nationwide, we ensure reliable delivery and competitive pricing on all our products.
The Sflue Black Adjustable Pipe 200-325mm - Ø 127 is designed to provide a flexible and secure flue solution for solid fuel, gas, and oil appliances.
National Flues is a trusted supplier of high-quality fireplaces and flues, serving both trade and retail customers nationwide with reliable delivery and competitive pricing.
