Sflue Black (2143006B) - Slip Section Adj Pipe - Ø 152
At a Glance
- Adjustable design for extending standard pipe lengths
- Dual stainless steel construction (304 exterior & 316L interior, 0.40mm thick)
- Suitable for wood, oil, gas, and low sulphur coal appliances
- Compressed rockwool insulation at 230kg/m³ for enhanced thermal performance
- 8-barbed twist-lock system with secure locking band
- HETAS Approved and CE marked (EN1856-1 T450 N1 D V2 L50040 G50)
- Requires 50mm clearance from combustible materials

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 (2143006B) Slip Section Adjustable Pipe Ø 152mm is a top-tier component designed for solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, oil and gas boilers, and any solid fuel appliances. Constructed with precision, this pipe features an outer skin of 304-grade stainless steel and an inner skin of 316-grade stainless steel, both at 0.4mm thickness. Insulated with compressed rockwool at 230kg/m3 density, encapsulated within twist-lock couplers, and fully laser welded for durability.
With a required distance of 50mm from combustibles, it ensures safe, efficient operation. HETAS Approved and CE marked under EN1856-1 T450 N1 D V2 L50040 G50, this pipe excels in both standards and reliability. Installation is straightforward with the 8-barbed twist lock system and a secure locking band.
SKU: 42-150-020
Technical Specifications | |
---|---|
SKU | 42-150-020 |
Diameter | u00d8 152mm |
Inner Material | 316L Stainless Steel (0.40mm) |
Outer Material | 304 Stainless Steel (0.40mm) |
Insulation | Compressed Rockwool (230kg/mu00b3) |
Approval | HETAS & CE (EN1856-1 T450 N1 D V2 L50040 G50) |
Installation Method | 8-barbed twist-lock couplers with locking band |
Clearance | 50mm from combustibles |
Warranty | 15 Years manufacturing defect, 2 Years paint |
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 Black Adjustable Slip Section Pipe is a versatile and essential choice for any flue system. We are proud to offer this top-quality product, delivering it efficiently nationwide for both retail and trade customers.
The Sflue Black Slip Section Adjustable Pipe is designed to provide flexibility in flue system installations when standard pipe lengths do not suffice.
Sflue produces high-quality flue and chimney products, known for superior construction and compliance with safety standards. Their products are widely used in the UK for both residential and commercial applications.
