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TWPro MB - Adjustable Pipe 350-500mm - Ø 150 (37-150-015)

National Flues proudly presents the TWPro MB Adjustable Pipe, a premium flue solution engineered for both solid fuel and gas/oil appliances. Designed for modern chimney systems, this high-quality, versatile flue pipe is crafted with precision using top-grade 316L and 304 stainless steel. Read more...
TWPro MB - Adjustable Pipe 350-500mm - Ø 150
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Now only £91.99
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At a Glance

  • Adjustable Length (350-500mm) for flexible installation
  • Constructed with dual stainless steel layers: 316L inner and 304 outer with high-temperature black coating
  • Suitable for a range of appliances including woodstoves, gas fireplaces, oil and gas boilers
  • Excellent insulation with 200kg/m3 compressed rockwool
  • HETAS approved and CE marked for safety and compliance

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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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.
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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.

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: sales@nationalflues.com

The TWPro MB Adjustable Pipe 350-500mm Ø 150 is a top-of-the-line choice for those in need of a reliable and adaptable flue pipe. Designed for use with solid fuel and gas/oil appliances, including woodstoves, gas coal-effect fires, oil boilers, and gas boilers, this pipe delivers superior performance and ease of installation.Constructed with an outer skin of 304-grade stainless steel and an inner skin of 316-grade stainless steel, both 0.4mm thick, this flue pipe is built to last. The outer skin is finished with a high-temperature black coating to ensure a sleek, durable look.

The insulation comprises compressed rockwool with a density of 200kg/m3, providing excellent heat retention and energy efficiency. All parts are fully welded, ensuring robust construction and longevity.The TWPro MB Adjustable Pipe is HETAS approved and CE marked, with a designation number of EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20. Installation is straightforward, with all chimney parts securely connected using the supplied locking band.

Be sure to maintain a 50mm distance from the outside of the flue to any combustible materials like wood or plasterboard.

SKU: 37-150-015

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. 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
ModelTWPro MB - Adjustable Pipe 350-500mm Ø 150
LengthAdjustable from 350mm to 500mm
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel (0.40mm thick, high-temperature black coated)
InsulationCompressed Rockwool, 200kg/m3 density
ApprovalsHETAS / CE
Clearance50mm from combustible materials
FinishHigh-temperature black coating on outer skin
Suitable FuelsWood, Oil, Gas, Low sulphur coal
Begin by ensuring that a minimum clearance of 50mm is maintained from the exterior flue to any combustible materials. The installation process is straightforward: connect each pipe section using the supplied locking band. Make sure the additional insulation is properly fitted between sections to fill any voids, ensuring optimal heat retention and operational safety. It is recommended to verify all connections are secure and the components are aligned correctly before finalising the installation. For best results, review your specific appliance's installation manual alongside our guidelines.

The pipe is suitable for solid fuel and gas/oil appliances, such as woodstoves, gas coal-effect fires, oil boilers, and gas boilers.

The outer skin is made from 304 stainless steel, and the inner skin is made from 316-grade stainless steel, both measuring 0.4mm in thickness.

Yes, the pipe features insulation made from compressed rockwool with a density of 200kg/m3. This ensures excellent heat retention and safety.

The pipe is HETAS approved and CE marked, meeting all necessary safety and performance regulations.

A distance of 50mm should be maintained from the outside of the flue to any combustible materials such as wood or plasterboard.

Yes, the installation is straightforward as all parts are secured together using the supplied locking band.

Yes, it is very important to use the additional insulation supplied to fill the void between the two pipe sections, ensuring maximum safety and efficiency.

 

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