Free Delivery over £100+ 5on Trustpilot Browse our popular stoves Fast Mainland UK Delivery Buy stoves with install packs Call 01670 206 999 for help

Sflue (2141406) - Adjustable Pipe 500-850mm - 152mm Ø (22-150-014)

Experience the advanced design and flexibility of the Sflue Adjustable Pipe – an industry-leading solution for chimney installations. This premium Sflue product, engineered for both residential and commercial systems, combines superior stainless steel construction with high-density insulation to ensure optimal performance. Read more...
Now only £252.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.
  • Fast deliveryMonday, November 17th*
  • Best PriceCall us to beat any price you found online.
  • Secure checkoutCard· Google/Apple Pay· Klarna· Paypal

 

Payment Options

At a Glance

  • Adjustable length (500-850mm) for versatile installations
  • 152mm diameter for optimal performance
  • Dual stainless steel construction (304 outer & 316 inner, both 0.40mm thick) ensures durability
  • High-density compressed rockwool insulation (230kg/m³) for superior thermal efficiency
  • 8-barbed twist lock system with locking band for secure connections
  • HETAS approved and CE marked for top safety standards
  • Suitable for wood, oil, gas appliances, and low sulphur coal

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: sales@nationalflues.com

The Sflue Adjustable Pipe 500-850mm with a 152mm diameter is meticulously designed for use with a range of solid fuel and gas/oil appliances, including wood stoves, gas coal effect fires, and oil and gas boilers. Constructed with 304 grade stainless steel outer skin and 316 grade stainless steel inner skin, both 0.4mm thick, this pipe ensures durability and resistance to corrosion. The insulation comprises high-density compressed rockwool (230kg/m³), encapsulated within twist-lock couplers, and fully laser welded for robust performance.

Maintaining a safe distance of 50mm from combustibles is crucial for safe installation. It's HETAS approved and CE marked, bearing the designation number EN1856-1 T450 N1 D V2 L50040 G50, asserting its high safety and quality standards. The 8-barbed twist lock system ensures secure connections, enhanced by a locking band for added stability.

This adjustable pipe offers flexibility where standard lengths fall short, with additional insulating materials provided for custom fitting.

SKU: 22-150-014

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

Technical Specifications
SKU22-150-014
Adjustable Length500-850mm
Diameter152mm
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel (0.40mm thick)
InsulationHigh-density compressed rockwool (230kg/m³)
Coupling8-barbed twist lock system with locking band
ApprovalsHETAS / CE
DesignationEN1856-1 T450 N1 D V2 L50040 G50
Minimum Clearance50mm from combustibles
Warranty15 Years
Suitable FuelsWood, Oil, Gas, Low sulphur coal
• Ensure a minimum clearance of 50mm from any combustible materials to maintain safe operation. • Align the telescopic sections carefully and securely engage the 8-barbed twist lock couplers. • Utilize optional accessories such as additional insulation fillers or chimney support frames for customised stability and performance. • Follow the manufacturer’s guidelines closely and check that all fittings are fully engaged for optimum efficiency and safety.

The adjustable pipe is suitable for use with solid fuel and gas/oil appliances, such as wood stoves, gas coal effect fires, and both oil and gas boilers.

The outer skin is made from 304 grade stainless steel, and the inner skin from 316 grade stainless steel. Both are 0.4mm thick. The insulation is made from high-density compressed rockwool.

Yes, the Sflue adjustable pipe is HETAS approved and CE marked. It holds the designation number EN1856-1 T450 N1 D V2 L50040 G50.

The insulation is a high-density compressed rockwool, encapsulated within the twist-lock couplers to ensure it stays in place and provides optimal performance.

The installation involves connecting the 8-barbed twist lock twin wall insulated chimney parts using a locking band. Ensure a 50mm distance from any combustible materials during installation.

Maintaining a 50mm distance from any combustible materials ensures safe operation and prevents the risk of fire hazards.

The pipe comes with separate insulating material to fill the annulus, providing complete insulation once the desired length is set. This feature ensures flexibility and adherence to unique installation requirements.

 

Call the Experts   8am-5pm
👀 5 people watching this