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TWPro MB - Single Wall to Twin Wall Increaser - Ø 80-100mm (37-80-002)

The TWPro MB Single Wall to Twin Wall Increaser 80-100mm by National Flues is a premium solution designed for efficient connections within your flue system. This robust increaser, built from high-quality stainless steel and insulated with compressed rockwool, is perfect for a range of applications including woodstoves, oil boilers, and gas boilers. Read more...
TWPro MB - Single Wall to Twin Wall Increaser - Ø 80-100mm
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At a Glance

  • High-quality 304 stainless steel outer skin with high-temperature black coating
  • Durable 316L stainless steel inner skin for enhanced corrosion resistance
  • Compressed rockwool insulation (200kg/m³) for superior thermal efficiency
  • Fully welded construction ensuring exceptional structural integrity
  • HETAS approved and CE marked for reliable safety standards
  • Easy-to-install with a supplied locking band and recommended 50mm distance to combustibles

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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Phone: 01670 206999
Email: sales@nationalflues.com

The TWPro MB Single Wall to Twin Wall Increaser 80-100mm is specially designed to facilitate a seamless connection between your appliance outlet and the TWPro flue system. Ideal for solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, oil boilers, and gas boilers, this versatile increaser ensures exceptional durability and efficiency. Constructed with an outer skin of 0.4mm thick 304 stainless steel finished in high-temperature black coating and an inner skin of 0.4mm thick 316-grade stainless steel, it provides outstanding resilience.

The increaser also features compressed rockwool insulation with a density of 200kg/m3 and is fully welded for added robustness. Approved by HETAS and CE marked, it adheres to strict safety and quality standards with a distance to combustibles of 50mm. Installation is straightforward, requiring merely the use of a supplied locking band to secure the parts.

SKU: 37-80-002

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
SKU37-80-002
Product NameTWPro MB - Single Wall to Twin Wall Increaser - Ø 80-100mm
Size Range80-100mm
Outer Material304 Stainless Steel - 0.40mm thick high temperature black coated
Inner Material316L Stainless Steel - 0.40mm thick
InsulationCompressed Rockwool, 200kg/m³ density
ApprovalsHETAS, CE Marked
Distance To Combustibles50mm
Compatible FuelsWood, Oil, Gas, Low sulphur coal
Installation is straightforward: Begin by ensuring your appliance outlet and flue sections are clean and free from debris. Fit the TWPro MB Increaser between the single and twin wall sections, using the supplied locking band to secure the connection. Always maintain a minimum distance of 50mm from any combustible materials during installation. Following the detailed installation instructions provided with the product will ensure optimal performance and longevity of your flue system. If you encounter any difficulties, consulting National Flues' professional installation guidelines or seeking expert advice is recommended.

The TWPro MB Single Wall to Twin Wall Increaser is available in the size range of Ø80-100mm.

Yes, the increaser is suitable for solid fuel, gas, and oil appliances, such as woodstoves, gas coal effect fires, oil boilers, and gas boilers.

The outer skin is made of 0.4mm thick 304 stainless steel with a high-temperature black coating, and the inner skin is made of 0.4mm thick 316-grade stainless steel.

The increaser uses compressed rockwool insulation, providing a density of 200kg/m3.

Yes, the TWPro MB increaser is HETAS approved and CE marked, indicating it meets high safety and quality standards.

Installation is simple: secure the parts together using the supplied locking band, ensuring a 50mm distance from any combustible materials.

Using a twin wall increaser like the TWPro MB ensures an efficient and safe connection between different flue sections, maintaining system integrity and improving appliance performance.

 

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