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TWPro MB - Testing Length 500mm - Ø 125 (37-125-019)

Discover the exceptional quality of the TWPro MB chimney flue from National Flues. Engineered for both solid fuel and gas/oil appliances, this high-performance flue pipe is ideal for wood stoves, gas coal effect fires, oil boilers, and gas boilers. Read more...
Now only £79.99
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At a Glance

  • Integrated test point and cap for safe draft/gas sampling
  • Robust dual-layer construction: 304 stainless steel outer with high-temperature black coating and 316 stainless steel inner
  • Fully insulated with high-density compressed rockwool (200kg/m³) for superior heat resistance
  • HETAS approved and CE marked for safety and compliance
  • Requires only a 50mm clearance from combustibles for secure installation

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

The TWPro MB - Testing Length 500mm - Ø 125 is a high-quality chimney flue component designed for various solid fuel and gas/oil appliances, including wood stoves, gas coal effect fires, oil boilers, and gas boilers. Constructed with a robust outer skin of 304 stainless steel coated in a high-temperature black finish, it boasts an inner skin made of 316-grade stainless steel. The unit is fully insulated with compressed rockwool at a density of 200kg/m³, ensuring superior heat resistance and performance.

With a distance requirement of 50mm from combustibles, this product is HETAS approved and CE marked, guaranteeing compliance with safety standards. Secure installation is achieved through a provided locking band.

SKU: 37-125-019

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.

Technical Specifications
SKU37-125-019
Product NameTWPro MB - Testing Length 500mm - Ø 125
Testing Length500mm
Diameter125mm
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel with high-temperature black coating (0.40mm thick)
InsulationCompressed Rockwool, 200kg/m³
ApprovalsHETAS, CE
Distance To Combustibles50mm
Installation FeatureProvided locking band for secure attachment
The TWPro MB chimney flue is designed with straightforward installation in mind. Begin by ensuring a minimum clearance of 50mm from any combustible materials, such as woodwork or plasterboard. The product comes with a locking band that secures the assembly, providing a reliable, long-lasting connection between flue sections. Always confirm that your site meets the recommended clearance requirements before installation. Optional accessories such as additional sealing kits or extended flue adapters are available to further streamline the installation process and enhance overall performance. Follow all manufacturer guidelines and local regulations to ensure a safe and compliant setup.

The TWPro MB is suitable for solid fuel and gas/oil appliances such as wood stoves, gas coal effect fires, oil boilers, and gas boilers.

The TWPro MB features an outer skin made from 304 stainless steel with a high-temperature black finish and an inner skin constructed from 316-grade stainless steel.

The TWPro MB is insulated with compressed rockwool, offering a density of 200kg/m³.

Yes, the TWPro MB is HETAS approved and CE marked, ensuring it meets the necessary safety guidelines.

A distance of 50mm from the outside of the flue to any combustible material (e.g., wood, plasterboard) should be maintained.

The TWPro MB chimney parts are secured using a provided locking band, ensuring a secure fit for safe operation.

The integrated test point and cap allow safe entry into the flue for testing gas and draft samples, ensuring the system operates correctly.

 

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