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TWPro GREY - Adjustable Pipe 350-500mm - Ø 125 (17-125-015)

Upgrade your chimney system with the TWPro Grey Adjustable Pipe from National Flues. This high-performance flue, crafted with dual-layer stainless steel and superior insulation, is an ideal solution for woodstoves, gas, and oil appliances. Read more...
TWPro GREY - Adjustable Pipe 350-500mm - Ø 125
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Now only £156.99
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At a Glance

  • Adjustable length (350-500mm) for customised fit
  • Ø125mm diameter ideal for various appliance types
  • Dual-layer stainless steel construction (inner 316L, outer 304 grade, both 0.40mm thick)
  • Compressed rock wool insulation (200kg/m³) for superior thermal performance
  • HETAS approved and CE marked for reliability and safety
  • Locking band mechanism ensures tool-free, secure installation
  • Minimal safe distance of 50mm to combustibles
  • Versatile installation suitable for wood, oil, gas, and low sulphur coal 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.

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Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

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Have Questions?
Phone: 01670 206999
Email: sales@nationalflues.com

The TWPro Grey Adjustable Pipe (350-500mm, Ø 125mm) offers unmatched versatility and quality for your flue system needs. Specifically designed for use with solid fuel, gas, and oil appliances, this adjustable pipe is ideal for woodstoves, gas coal effect fires, and boilers. The outer skin is crafted from 304-grade stainless steel with a thickness of 0.4mm, while the inner skin utilizes 316-grade stainless steel, also 0.4mm thick.

These materials ensure durability and resistance to high temperatures. The insulation features compressed rock wool with a density of 200kg/m3, delivering superior thermal performance. With a safe distance to combustibles of just 50mm, this pipe is both efficient and safe.

Fully welded for added strength, the TWPro pipe is HETAS approved and CE marked, meeting stringent quality standards. It's also compliant with designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20. Installation is straightforward, thanks to the locking band mechanism, which eliminates the need for screws and ensures a secure fit.

SKU: 17-125-015

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, November 14th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

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Technical Specifications
Product NameTWPro Grey Adjustable Pipe 350-500mm, Ø125mm
Adjustable Length350mm to 500mm
Diameter125mm
Inner Material316L Stainless Steel, 0.40mm thick
Outer Material304 Stainless Steel, 0.40mm thick
InsulationCompressed Rock Wool, 200kg/m³
Safety Clearance50mm
ApprovalsHETAS / CE
DesignationsEN1856-1 T600 N1 W V2 L50040 G50 & EN1856-1 T200 W V2 L50040 O20
Suitable FuelsWood, Oil, Gas, Low sulphur coal
Installation is straightforward with the TWPro Grey Adjustable Pipe. First, measure the required length between your appliance and chimney outlet, ensuring the total length falls within the 350-500mm range. Secure the pipe using its innovative locking band mechanism which eliminates the dependence on screws and reduces installation time. Always maintain a safe clearance of at least 50mm from any combustibles, as specified in the installation manual. Before finalising the setup, double-check all connections for alignment and security. It is essential to follow the manufacturer’s safety guidelines during installation to ensure optimal performance and longevity.

The TWPro Grey Adjustable Pipe is suitable for solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, and boilers.

The outer skin is made from 304-grade stainless steel, and the inner skin is made from 316-grade stainless steel. Both are 0.4mm thick. The insulation is compressed rockwool with a density of 200kg/m3.

Yes, the pipe is designed for easy installation using a locking band, which requires no screws and ensures a secure fit.

The safe distance to combustibles for the TWPro Grey Adjustable Pipe is 50mm.

Yes, the TWPro Grey Adjustable Pipe is HETAS approved and CE marked, meeting UK standards.

The TWPro Grey Adjustable Pipe complies with EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20 designations.

For specific warranty information, please refer to the supplier's terms and conditions or contact National Flues customer service.

 

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