Sflue (2144006) - Adjustable Pipe 200-325mm - 152mm Ø
At a Glance
- Telescopic adjustable length: 200-325mm
- Robust construction with 304 & 316-grade stainless steel
- High density compressed rockwool insulation (230kg/m³)
- Secure 8-barbed twist-lock couplers
- HETAS approved and CE marked for safety
- 15-year guarantee for peace of mind

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 Adjustable Pipe 200-325mm - 152mm Ø is designed to provide an adaptable and robust solution for various heating systems, including woodstoves, gas coal effect fires, and oil and gas boilers. Crafted with a 304-grade stainless steel outer skin and a 316-grade stainless steel inner skin, this pipe promises long-lasting durability and exceptional resistance to high temperatures. The pipe's insulation is made from compressed rockwool, which ensures a high density of 230kg/m3, encapsulated within twist-lock couplers for optimal insulation performance.
Fully laser welded and HETAS approved, the Sflue Adjustable Pipe meets the stringent requirements of EN1856-1 T450 N1 D V2 L50040 G50. The twist-lock design of the telescopic adjustable length (200mm-325mm) offers flexibility for installations where standard pipe lengths are not suitable. Each adjustable pipe comes with separate insulating material for insertion into the annulus after installation.
With an essential distance of 50mm from any combustibles, this product ensures safety and compliance with all relevant regulations.
SKU: 22-150-016
Technical Specifications | |
---|---|
SKU | 22-150-016 |
Materials | Outer: 304 Stainless Steel (0.40mm), Inner: 316 Stainless Steel (0.40mm) |
Insulation | Compressed rockwool, 230kg/mu00b3 |
Telescopic Range | 200-325mm |
Diameter | 152mm u00d8 |
Approvals | HETAS / CE |
Minimum Clearance | 50mm from combustibles |
Warranty | 15 Years |
Compatible Fuels | Wood, Oil, Gas, Low sulphur coal |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. 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 Adjustable Pipe 200-325mm - 152mm Ø is a versatile and durable option for any chimney flue setup. It's HETAS approved and built to last with high-quality stainless steel construction. With nationwide delivery, trade accounts, and secure online payments, National Flues ensures you get the best deal and service.
The Sflue Adjustable Pipe is designed to provide a flexible, durable, and safe solution for connecting various heating appliances to chimney systems.
National Flues is a leading supplier of fireplaces and flues across the UK, serving both retail and trade customers. Known for competitive pricing, reliable delivery, and secure online payments, National Flues is committed to exceptional service and quality products.
