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Sflue Black (2108505B) - 90° one-piece round Finishing Plate - Ø 127 (42-125-106)

National Flues proudly presents the Sflue Black 90° one-piece round finishing plate, a top-tier chimney accessory crafted for both residential and commercial applications. This premium flue accessory not only enhances the appearance of your chimney system but also ensures maximum safety and durability. Ideal for a range of solid fuel, gas, and oil appliances, this finishing plate represents the pinnacle of modern chimney technology and excellent British engineering. Whether you are upgrading an Read more...
The price you pay today £34.99
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At a Glance

    Crafted from premium stainless steel (304 outer, 316 inner)
    One-piece design for a seamless 90° finish
    Designed for solid fuel, gas, oil and low sulphur coal applications
    HETAS approved and CE marked for safety and quality
    High-density rockwool insulation with an 8 barbed twist lock mechanism
    Ensures a safe 50mm clearance from combustibles
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

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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.

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 Black (2108505B) 90° one-piece round Finishing Plate, with a diameter of 127mm, serves as a premium flue accessory, crafted to provide a seamless termination where the chimney penetrates a wall at a 90° angle. Designed for use with solid fuel and gas/oil appliances, it fits perfectly with woodstoves, gas coal effect fires, and oil and gas boilers. Made from high-grade stainless steel (304 grade for the outer skin and 316 grade for the inner), it ensures durability and resistance to corrosion.

The insulation is high-density compressed rockwool encapsulated within twist-lock couplers, ensuring maximum efficiency and safety, maintaining a 50mm safe distance from combustibles. Approved by HETAS and CE marked, the Sflue system is secure, reliable, and easy to install, thanks to its 8 barbed twist lock mechanism securely fastened with a Locking Band. Ideal for both residential and commercial installations.

SKU: 42-125-106

Technical Specifications
SKU42-125-106
Diameter127mm
Outer Material304 Stainless Steel (0.40mm thick)
Inner Material316L Stainless Steel (0.40mm thick)
Fuel CompatibilityWood, Oil, Gas, Low sulphur coal
ApprovalsHETAS / CE
Twist Lock Mechanism8 barbed twist lock with Locking Band
Warranty15 Years manufacturing defect warranty, 2 Years paint Warranty
Safe Distance To Combustibles50mm
Design90u00b0 one-piece round finish
Installation is straightforward but must adhere to safety guidelines. Begin by ensuring that the chimney system is properly aligned and that a minimum distance of 50mm from any combustible material is maintained. Secure the insulation using the high-density compressed rockwool held in place by 8 barbed twist lock couplers and then firmly fasten with a Locking Band. It is imperative to follow the manufacturer's instructions and local building regulations, especially those pertaining to HETAS guidelines. If you are in doubt, consult a professional installer to guarantee safety and optimal performance. Ensure that all parts are free from defects before beginning installation and that all optional accessories are compatible with your chosen design.

The Sflue Black finishing plate is suitable for solid fuel and gas/oil appliances including woodstoves, gas coal effect fires, and oil and gas boilers.

The finishing plate is constructed using 304 grade stainless steel for the outer skin and 316 grade stainless steel for the inner skin. The insulation consists of high-density compressed rockwool.

Yes, the Sflue Black finishing plate is HETAS approved and CE marked, ensuring it meets high safety and quality standards.

The twist-lock couplers secure the insulation and ensure a safe and reliable connection between chimney parts, providing stability and preventing leaks.

There should be a minimum distance of 50mm from the outside of the flue to any combustible material, such as wood or plasterboard.

Yes, the Sflue Black finishing plate is suitable for both residential and commercial applications.

The Sflue system features an 8 barbed twist lock mechanism, and parts are securely fastened using a Locking Band to ensure they remain in place.

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