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Sflue (3109515) - Heavy Duty Wall Band - 152mm Ø (22-150-052)

Enhance your chimney installation with the Sflue (3109515) Heavy Duty Wall Band, available from National Flues. This robust wall band is engineered for a wide range of solid fuel and gas/oil appliances including wood stoves, coal effect fires, oil boilers and gas systems. Combining high-grade 304 and 316 stainless steel with premium rock wool insulation and a secure twist-lock mechanism, this 152mm Ø wall band is designed to deliver outstanding performance, safety and durability. Upgrade your chimney system today with a product that truly meets HETAS and CE standards.
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£46.99
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At a Glance

  • Heavy Duty design with a 152mm Ø for robust chimney support
  • Constructed from 304-grade stainless steel (outer skin) and 316-grade stainless steel (inner skin), each 0.40mm thick
  • Suitable for wood, oil, gas and low sulphur coal appliances
  • Insulated with high-density (230kg/m3) compressed rock wool for enhanced thermal protection
  • Secure twist-lock mechanism with eight barbs and a locking band for reliable installation
  • Complies with HETAS and CE standards for safety and quality

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

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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:

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Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The Sflue (3109515) Heavy Duty Wall Band with a 152mm diameter is an essential component for safely securing chimney flues for solid fuel and gas/oil appliances. Ideal for wood stoves, gas coal effect fires, oil, and gas boilers, this wall band provides unparalleled support. Constructed with high-quality materials, the outer skin is 0.4mm thick 304-grade stainless steel while the inner skin is made from 0.4mm thick 316-grade stainless steel.

The insulation comprises compressed rock wool with a density of 230kg/m3, encapsulated within twist-lock couplers for secure placement. Ensuring safety, the flue must maintain a 50mm distance from any combustible materials. Notably, the Sflue meets stringent quality standards, being both HETAS approved and CE marked under the Designation Number EN1856-1 T450 N1 D V2 L50040 G50.

Installation is straightforward, with eight barbed twist-lock mechanisms tightened using a locking band, ensuring the flue remains firmly in place and secure.

SKU: 22-150-052

Technical Specifications
SKU22-150-052
ItemHeavy Duty Wall Band
DesignationEN1856-1 T450 N1 D V2 L50040 G(50)
Inner Material316L Stainless Steel, 0.40mm thick
Outer Material304 Stainless Steel, 0.40mm thick
InsulationCompressed Rock Wool, 230kg/m3
Fuel CompatibilityWood, Oil, Gas, Low sulphur coal
CertificationsHETAS / CE
Safety Distance50mm from combustibles
Installation Mechanism8 barbed twist-lock with locking band
Warranty15 Years
Diameter152mm Ø
• Always maintain a minimum 50mm distance from any combustible materials such as wood or plasterboard. • The installation is straightforward: align the wall band with your chimney flue, engage the eight barbed twist-lock couplers, and tighten securely using the locking band. • Ensure that all connections are firm to prevent any movement over time. • It is advisable to have a professional assess the installation if you are unsure about the process. • Regularly inspect the assembly to guarantee that no components have loosened or degraded over time.

It is suitable for solid fuel and gas/oil appliances such as wood stoves, 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 with a thickness of 0.4mm.

The insulation consists of compressed rock wool with a density of 230kg/m3.

Installation is easy with an 8-barbed twist lock mechanism and a locking band to secure the parts.

It has been approved by HETAS and is CE marked under Designation Number EN1856-1 T450 N1 D V2 L50040 G50.

You must ensure a 50mm distance from any combustible materials such as wood or plasterboard.

Yes, National Flues provides reliable nationwide delivery for both retail and trade customers.
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 (3109515) - Heavy Duty Wall Band - 152mm Ø buyers guide

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