× National Flues
We Won't Be Beaten On Price.
Free Delivery on Orders Over £100
100% 5 Star Reviews on Trustpilot
Free Flue Design Service Available
Need Help? 01670 206999 (8am-5pm)

Sflue (2171305) - Support Pipe - 127mm Ø (22-125-062)

National Flues presents the high-performance Sflue (2171305) - Support Pipe, expertly engineered for solid fuel, gas, and oil heating systems. This premium support pipe, characterised by durable stainless steel construction and efficient rockwool insulation, is the perfect solution for fireplaces, woodstoves, and boilers, ensuring both safety and efficiency.
Hover to Zoom / Click for Gallery
£106.49
with free delivery Give us a call if you find it cheaper and we'll try to price match.

 

Payment Options

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]

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
SKU22-125-062
Product NameSflue (2171305) - Support Pipe - 127mm u00d8
Inner Material316L Stainless Steel - 0.40mm thick
Outer Material304 Stainless Steel - 0.40mm thick
InsulationCompressed Rockwool (230kg/m3)
Installed Length100mm with support plate at 33mm from bottom edge
Installation Mechanism8-barbed twist-lock with locking band
Clearance To Combustibles50mm
ApprovalsHETAS / CE
Warranty15 Years
To install the Sflue support pipe, first ensure there is a minimum clearance of 50mm from any combustible material. Align the twist-lock couplers of each section and engage the 8-barbed mechanism securely. Once connected, fasten the assembly using the locking band provided. For enhanced support, particularly when employing the pipe as a strut or guy attachment, secure with M8 nuts and bolts to your bespoke bracketry. Always follow the manufacturer’s guidelines and consider consulting a qualified professional if you have any doubts about the installation process.

The Sflue (2171305) support pipe can be used with solid fuel, gas, and oil appliances such as woodstoves, gas coal effect fires, oil and gas boilers.

The outer skin is made from 304-grade stainless steel and the inner skin from 316-grade stainless steel, both 0.4mm thick.

Yes, the Sflue (2171305) support pipe is HETAS approved and also CE marked.

The insulation is made of compressed rockwool with a density of 230kg/m3, encapsulated within the twist-lock couplers.

There should be a distance of 50mm from the outside of the flue to any combustible material.

Installation involves an 8-barbed twist-lock mechanism, with parts secured together using a locking band.

Yes, it doubles as a strut/guy attachment length offering anchoring points for the guys, or preferably rigid stays, using M8 nuts and bolts.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 30th. 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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our Sflue (2171305) - Support Pipe - 127mm Ø buyers guide

Compatible and other products that may be of interest...

Secure your Sflue support pipe today and enjoy enhanced safety and efficiency in your home.

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal