Sflue (2141806) - Inspection Length - 152mm Ø
At a Glance
- Constructed from high-grade 304 and 316 stainless steel
- HETAS approved and CE marked for safety and compliance
- Removable door for simple inspection and cleaning
- Compressed rockwool insulation (230kg/m3) for enhanced heat retention
- Versatile design for solid fuel, gas, and oil appliances

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 (2141806) Inspection Length - 152mm Ø is a meticulously crafted chimney flue component, designed for use with solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, and boilers. Constructed with an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both 0.4mm thick, it ensures exceptional durability and heat resistance. The flue is insulated with compressed rockwool, boasting a density of 230kg/m3, encapsulated within twist-lock couplers for additional safety and ease of installation.
This component is fully laser welded and HETAS approved, ensuring it meets rigorous safety and efficiency standards. With a distance to combustibles of just 50mm, it offers flexibility in installation while maintaining safety. The Sflue (2141806) is also CE marked, adhering to the Designation Number EN1856-1 T450 N1 D V2 L50040 G50 standards.
SKU: 22-150-019
Technical Specifications | |
---|---|
SKU | 22-150-019 |
Product Name | Sflue (2141806) - Inspection Length - 152mm u00d8 |
Inner Material | 316L Stainless Steel (0.40mm thick) |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Insulation | Compressed Rockwool (230kg/m3) |
Coupler System | 8 barbed twist lock with locking band |
Approvals | HETAS, CE |
Distance To Combustibles | 50mm |
Warranty | 15 Years |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 8th. 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. If you find it cheaper within 48 hours, we'll refund the difference.
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National Flues Ltd Verdict
The Sflue (2141806) Inspection Length - 152mm Ø is an outstanding choice for both retail and trade customers. Built with superior materials and precision, it's perfect for solid fuel and gas/oil appliances. We proudly deliver nationwide, offering unbeatable reliability and competitive pricing.
The Sflue (2141806) - Inspection Length - 152mm Ø is used for safely channeling exhaust gases from solid fuel, gas, and oil appliances while allowing for regular inspection and cleaning.
National Flues is a premier supplier of high-quality fireplaces and flues across the UK, renowned for unbeatable prices, reliable delivery, and excellent service for both retail and trade customers. Our products meet the highest standards of safety and performance.
