Sflue Black (2159806B) - Structural Locking Band - Ø 152 (42-150-054)
At a Glance
- HETAS approved and CE marked
Dual stainless steel construction: 304-grade outer and 316L inner (both 0.40mm thick)
Robust compressed rockwool insulation (230kg/m³) for excellent thermal efficiency
Maintains a safe 50mm distance to combustibles
Fully laser welded for superior strength and durability
Versatile for use with woodstoves, gas, oil, and low sulphur coal appliances
Essential for securing unsupported chimney stacks up to 2.5m above support
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.
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.
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]
- Info
- Specs
- Install
- FAQs
The Sflue Black Structural Locking Band (2159806B) is essential for enhancing the stability and safety of your twin wall insulated chimney systems. This band is designed specifically for use with solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, and oil and gas boilers. Constructed from high-grade materials, the outer skin is made of 304-grade stainless steel, while the inner skin utilizes 316-grade stainless steel; both are 0.4mm thick, ensuring superior durability and resistance to high temperatures.
The insulation comprises compressed rockwool with a density of 230kg/m³, encapsulated within twist-lock couplers, providing excellent thermal efficiency. It ensures the required 50mm distance to combustibles is maintained, enhancing safety. Fully laser welded and HETAS approved, this locking band is the epitome of quality and reliability for any flue installation.
SKU: 42-150-054
| Technical Specifications | |
|---|---|
| SKU | 42-150-054 |
| Product Name | Sflue Black Structural Locking Band - u00d8 152 |
| Outer Material | 304 Stainless Steel (0.40mm thick) |
| Inner Material | 316L Stainless Steel (0.40mm thick) |
| Insulation | Compressed Rockwool (230kg/mu00b3) |
| Distance To Combustibles | 50mm |
| Approval | HETAS / CE |
| Warranty | 15 Years manufacturing defect, 2 Years paint |
| Diameter | 152mm |
| System | Sflue Black |
