Sflue (2171305) - Support Pipe - 127mm Ø
At a Glance
- - 316L inner & 304 outer stainless steel construction for lasting durability
- - 0.40mm thick walls for optimal insulation performance
- - Compressed rockwool insulation (230kg/m3) for superior thermal regulation
- - 8-barbed twist-lock mechanism ensures quick and secure installation
- - HETAS approved and CE marked for reliable safety and compliance
- - Versatile design supports wood, gas, oil, 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
The Sflue (2171305) - Support Pipe - 127mm Ø is meticulously designed for use with a range of solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, and boilers. Constructed with resilience in mind, it features a 304-grade stainless steel outer skin and a 316-grade stainless steel inner skin, both 0.4mm thick. The pipe’s insulation is made from compressed rockwool, providing a density of 230kg/m3, effectively encapsulated within the twist-lock couplers to ensure optimal performance.
Fully laser welded, this pipe maintains a 50mm distance to combustibles to enhance safety. The Sflue is rigorously tested, HETAS Approved, and CE marked, with a designation number of EN1856-1 T450 N1 D V2 L50040 G50, guaranteeing compliance with stringent standards. Installation is straightforward, with an 8-barbed twist-lock mechanism and securing by a locking band.
SKU: 22-125-062
Technical Specifications | |
---|---|
SKU | 22-125-062 |
Product Name | Sflue (2171305) - Support Pipe - 127mm u00d8 |
Inner Material | 316L Stainless Steel - 0.40mm thick |
Outer Material | 304 Stainless Steel - 0.40mm thick |
Insulation | Compressed Rockwool (230kg/m3) |
Installed Length | 100mm with support plate at 33mm from bottom edge |
Installation Mechanism | 8-barbed twist-lock with locking band |
Clearance To Combustibles | 50mm |
Approvals | HETAS / CE |
Warranty | 15 Years |
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
The Sflue (2171305) - 127mm Ø Support Pipe is a robust, high-quality product perfect for a variety of heating appliances. With HETAS approval and CE marking, this support pipe is reliable and safe. National Flues offers this essential component at unbeatable prices with dependable nationwide delivery, catering to both retail and trade customers.
The Sflue (2171305) - Support Pipe - 127mm Ø is designed to securely support and insulate flue systems for solid fuel, gas, and oil appliances.
National Flues is a leading supplier of premium fireplaces and flues, catering to both retail and trade customers across the UK. Renowned for competitive pricing and reliable delivery, National Flues provides secure online payment options and exceptional customer service.
