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Sflue (2172706) - Ventilated Ceiling Support (Solid Fuel) - 152mm Ø (22-150-078)

The Sflue (2172706) Ventilated Ceiling Support is a cutting-edge chimney support designed for solid fuel and gas/oil appliances. As a trusted product from Sflue, it delivers unrivalled safety and thermal efficiency for woodstoves, oil boilers, and more. Read more...
Now only £239.99
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At a Glance

  • HETAS approved & CE marked for peace of mind
  • Constructed from robust 304 outer & 316L inner stainless steel (0.40mm thick)
  • Patented intumescent matrix design for rapid fire and smoke sealing
  • Compressed rockwool insulation (230kg/m³) enhances thermal efficiency
  • Maintains a safe 50mm clearance from combustibles

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 (2172706) Ventilated Ceiling Support is specifically designed for use with solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and oil and gas boilers. Constructed with durability in mind, the outer skin is made from 304 grade stainless steel and the inner skin from 316 grade stainless steel, both with a 0.4mm thickness. The support features compressed rockwool insulation with a density of 230kg/m3 encapsulated within twist-lock couplers, ensuring superior thermal efficiency.

All parts are fully laser welded, and the system is HETAS approved and CE marked with a designation number EN1856-1 T450 N1 D V2 L50040 G50. The Sflue Ventilated Ceiling Support ensures fire and smoke do not spread, maintaining a distance of 50mm from combustibles.

SKU: 22-150-078

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
SKU22-150-078
DesignationEN1856-1 T450 N1 D V2 L50040 G50
Materials304 Stainless Steel (0.40mm thick), 316L Stainless Steel (0.40mm thick)
InsulationCompressed Rockwool (230kg/m³)
Fuel CompatibilityWood, Oil, Gas, Low sulphur coal
ApprovalsHETAS / CE
Distance To Combustibles50mm
Warranty15 Years
Before installation, always read and follow the manufacturer’s instructions and local building regulations. Begin by confirming that the appliance and surrounding structure comply with the specified clearance distance of 50mm from combustible materials. Secure the Sflue Ventilated Ceiling Support in place using the integrated twist-lock couplers and ensure all components are perfectly aligned. It is important to note that the product is fully laser welded, which ensures a seamless and robust installation. For a smooth process, consider any optional accessories such as additional sealing kits or support brackets that may further stabilise and protect your chimney system during installation. Always ensure that the system is installed on a non-combustible base and that any modifications are carried out by a qualified professional.

The Sflue (2172706) Ventilated Ceiling Support is compatible with solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and oil and gas boilers.

The outer skin is made from 304 grade stainless steel, and the inner skin is crafted from 316 grade stainless steel, both with a thickness of 0.4mm. The insulation is compressed rockwool encapsulated within twist-lock couplers.

Yes, it features a patented intumescent matrix that expands rapidly with temperature to seal the plate, preventing the spread of fire or smoke.

The Sflue system is HETAS approved and CE marked with the designation number EN1856-1 T450 N1 D V2 L50040 G50.

You must maintain a distance of 50mm from the outside of the flue to any combustible material such as wood or plasterboard.

The Sflue system uses an 8-barbed twist lock twin wall insulated chimney design. Parts are secured together using a locking band.

The insulation is compressed rockwool with a density of 230kg/m3, providing excellent thermal efficiency.

 

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