Sflue Black (2171305B) - Support Pipe - Ø 127
At a Glance
- 304 Stainless Steel Outer & 316L Stainless Steel Inner for long-lasting durability
- Compressed rockwool insulation (230kg/m³) for efficient thermal performance
- HETAS Approved and CE marked, complying with EN1856-1 standards
- Twist-lock couplers provide a secure, quick-fit connection
- Versatile design suited for woodstoves, boilers, gas, oil, and low sulphur coal appliances
- Adjustable support plate with slotted holes for flexible installation

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 Support Pipe Ø 127mm (2171305B) is designed for use with solid fuel and gas/oil appliances, including woodstoves, gas coal-effect fires, and boilers. Constructed with a 304 grade stainless steel outer skin and a 316 grade stainless steel inner skin, both 0.4mm thick, this support pipe is built for durability and efficiency. The insulation is made from compressed rockwool with a density of 230kg/m³, neatly encapsulated within twist-lock couplers.
This ensures a secure fitting, keeping a safe distance of 50mm from any combustible materials. With full laser welding, Sflue meets high-quality standards, and it is HETAS Approved and CE marked, compliant with EN1856-1 T450 N1 D V2 L50040 G50.
SKU: 42-125-062
Technical Specifications | |
---|---|
SKU | 42-125-062 |
Product Name | Sflue Black Support Pipe - u00d8 127mm |
Diameter | 127mm |
Installed Length | 100mm |
Support Plate Position | 33mm from bottom edge |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Inner Material | 316L Stainless Steel (0.40mm thick) |
Insulation | Compressed Rockwool (230kg/mu00b3 density) |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal |
Certifications | HETAS Approved, CE marked |
Standard | EN1856-1 T450 N1 D V2 L50040 G(50) |
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
The Sflue Black Support Pipe (2171305B) is an outstanding choice for anyone looking to enhance their chimney system. Whether you're a retail or trade customer, our unbeatable prices and reliable nationwide delivery make this an excellent option.
The Sflue Black Support Pipe is designed to support and stabilize chimney flue systems, suitable for a variety of solid fuel and gas/oil appliances.
Sflue is a reputable manufacturer known for producing high-quality chimney and flue products, compliant with industry standards and designed for durability and efficiency.
