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TWPro MB - Pipe 500mm - Ø 125 (37-125-011)

National Flues proudly presents the TWPro MB 500mm chimney flue pipe, engineered to address the needs of modern heating systems. This premium flue pipe, ideal for wood stoves, gas boilers, and oil appliances, combines robust construction with state-of-the-art thermal insulation. Read more...
TWPro MB - Pipe 500mm - Ø 125
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Now only £65.99
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At a Glance

  • 500mm chimney flue pipe with a 125mm diameter
  • Constructed with 316L stainless steel inner skin and 304 stainless steel outer skin, high temperature black coated
  • Fully welded construction with compressed rockwool insulation (200kg/m³) for superior thermal efficiency
  • Certified to HETAS & CE standards, ensuring safety and compliance
  • Compatible with solid fuel, gas, and oil appliances including wood stoves, coal effect fires, and boilers

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 MB - Pipe 500mm Ø 125mm is engineered for high performance on solid fuel, gas, and oil appliances such as wood stoves, gas coal effect fires, and boilers. This state-of-the-art chimney flue pipe features an outer skin crafted from 304-grade stainless steel, coated in a high-temperature black finish for added protection and aesthetics. The inner skin, constructed from 316-grade stainless steel, ensures enhanced durability.

Boasting fully welded parts and compressed rockwool insulation with a density of 200kg/m³, this pipe guarantees robust and reliable performance. Certified by HETAS and CE marked, the TWPro MB conforms to EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20 standards, ensuring compliance and safety. Installation is straightforward, secured with a supplied Locking Band, requiring a 50mm clearance from combustibles.

Ideal for any solid fuel appliance setup.

SKU: 37-125-011

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
Pipe Length500mm
Diameter125mm
Effective Installed Length465mm
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel (0.40mm thick, High Temperature Black Coated)
InsulationCompressed Rockwool, 200kg/m³
CertificationsHETAS, CE
StandardsEN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20
Fuel CompatibilityWood, Oil, Gas, Low Sulpher Coal
Minimum Clearance50mm to combustibles
Begin by ensuring that the installation area has a minimum 50mm clearance from any combustible material. Use the supplied Locking Band to secure the pipe properly. Follow all manufacturer guidelines during installation and confirm that each joint is fully welded and insulated to maintain optimal performance. If in doubt, consult a qualified installer to guarantee your flue system meets all safety and performance standards. Always check compliance with local building regulations before starting installation.

The TWPro MB - 500mm Pipe is suitable for solid fuel, gas, and oil appliances including wood stoves, gas coal effect fires, and oil or gas boilers.

The pipe features an outer skin made from 304 stainless steel with a high-temperature black coating, and an inner skin made from 316 stainless steel. It is fully welded and insulated with compressed rockwool.

Yes, the TWPro MB pipe is HETAS Approved and CE marked, conforming to EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20 standards.

Installation is straightforward with the supplied Locking Band. Ensure a 50mm distance to combustibles is maintained from the outside of the flue to any materials such as wood or plasterboard.

The effective installed length of the TWPro MB - 500mm Pipe is 465mm.

The pipe is insulated with compressed rockwool, offering a density of 200kg/m³ for excellent thermal insulation.

National Flues provides reliable nationwide delivery and competitive pricing, ensuring you get high-quality products on time and within budget. We cater to both retail and trade customers, offering secure online payments for convenience.

 

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