Adjustable Pipe 350-500mm Ø 80
At a Glance
- Adjustable length from 350mm to 500mm for versatile installations
- Durable 304 stainless steel exterior and resilient 316 stainless steel interior (both 0.40mm thick)
- Compressed rockwool insulation (200kg/m³) for optimal heat retention
- HETAS approved and CE marked, ensuring safety and compliance
- Easy screw-free installation with a secure locking band

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
Our Adjustable Pipe 350-500mm Ø 80 is designed for use with a variety of heating appliances including wood stoves, gas coal-effect fires, oil, and gas boilers. Featuring an adjustable length between 350mm to 500mm, this pipe provides flexibility and adaptability in installation. The outer skin is made from durable 304 grade stainless steel, and the inner skin is crafted from resilient 316 grade stainless steel, both 0.4mm thick.
It includes compressed rockwool insulation at a density of 200kg/m3, ensuring optimal heat retention and safety. All components are fully welded and the pipe maintains a safe distance of 50mm from combustibles. TWPro, known for its reliability, is HETAS approved and CE marked, meeting designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20.
Installation is straightforward, requiring a locking band to secure components without the need for screws. Ideal for both trade professionals and DIY enthusiasts, this pipe exemplifies quality and performance.
SKU: 2-80-015
Technical Specifications | |
---|---|
SKU | 2-80-015 |
Product Name | Adjustable Pipe 350-500mm u00d8 80 |
Length Range | 350mm to 500mm |
Inner Material | 316L Stainless Steel, 0.40mm thick |
Outer Material | 304 Stainless Steel, 0.40mm thick |
Insulation | Compressed rockwool, 200kg/mu00b3 |
Approvals | HETAS, CE marked |
Distance To Combustibles | 50mm |
System | TWPro |
Designations | EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20 |
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 Adjustable Pipe 350-500mm Ø 80 is a high-grade addition to any chimney and flue system. Its robust construction and easy installation make it a top seller. National Flues delivers nationwide and serves both retail and trade customers with unbeatable prices and reliability.
This adjustable pipe is used for connecting various heating appliances such as wood stoves, gas fires, and oil/gas boilers to the flue system, ensuring safe and efficient removal of exhaust gases.
National Flues is a renowned supplier of high-quality fireplaces and flues across the UK. Known for unbeatable prices and reliable delivery, they cater to retail and trade customers, ensuring exceptional service and support.
