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TWPro MB - Single Wall to Twin Wall Increaser - Ø 200-Ø 250

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The TWPro MB - Single Wall to Twin Wall Increaser is the perfect solution for connecting your Ø 200mm Black Stove Pipe, Vitreous Enamel, or 1mm Stainless Steel Single Wall Pipe to a Ø 250mm TWPro Twin Wall Insulated Chimney. Whether you're upgrading your system or installing a new one, this increaser ensures a smooth transition between different flue sizes.

£38.99 incl VAT

  •   Description  
  •   Product Details  

The TWPro MB - Single Wall to Twin Wall Increaser Ø 200-Ø 250 is an essential component for connecting your solid fuel, gas, or oil appliances to a larger diameter twin wall flue system. Constructed with a robust outer skin made from 304 stainless steel and an equally resilient inner skin made from 316 grade stainless steel, each 0.4mm thick, this increaser is built to last. The increaser is coated in a high-temperature black finish, ensuring it not only performs well but also looks great. Featuring compressed rockwool insulation with a density of 200kg/m3, it offers excellent heat resistance and safety. All parts are fully welded, guaranteeing durability and reliability. It is HETAS approved and CE marked, meeting crucial safety and quality standards. The product designation numbers are EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20. Installation is straightforward with the included Locking Band, and maintaining a 50mm distance from combustibles is critical for safety. Choose the TWPro MB Increaser for seamless, safe, and efficient appliance connections.

  • SKU: 37-200-002
  • Item: TWPro MB - Single Wall to Twin Wall Increaser - u00d8 200-u00d8 250
  • Designation:: EN1856-1 T600 N1 W V2 L50040 G50
  • : EN1856-1 T200 P1 W V2 L50040 020
  • System:: TWPro Black
  • Inner Material:: 316L Stainless Steel - 0.40mm thick
  • Outer Material:: 304 Stainless Steel - 0.40mm thick - High Temperature Black Coated
  • Fuels:: Wood, Oil, Gas, Low sulpher coal
  • Approvals:: HETAS / CE
  • Distance to Combustibles:: 50mm

What is it for?

The TWPro MB Increaser is designed to connect smaller diameter single wall pipes to larger diameter twin wall insulated chimney systems, ensuring seamless integration and safe operation for a variety of heating appliances.

Brand Summary

National Flues is a trusted supplier of high-quality fireplaces and flues to retail and trade customers across the UK. Known for competitive pricing and reliable delivery, National Flues ensures secure online payments and exceptional service nationwide.

National Flues Verdict

The TWPro MB - Single Wall to Twin Wall Increaser Ø 200-Ø 250 is a top-notch product in our chimney flue range. It's reliable, durable, and perfect for both trade and retail customers. With our competitive pricing and prompt nationwide delivery, you can't go wrong with this increaser.

Our Rating
9.6/10

FAQs

The TWPro MB Increaser is suitable for use with solid fuel, gas, and oil appliances such as woodstoves, gas coal effect fires, and oil or gas boilers.

The outer skin is made from 304 stainless steel, while the inner skin is manufactured from 316 grade stainless steel. Both are 0.4mm thick and fully welded, ensuring durability and strength.

Yes, the TWPro MB Increaser is HETAS approved and CE marked, which certifies its compliance with safety and quality standards.

A minimum distance of 50mm must be maintained from the outside of the flue to any combustible material, such as wood or plasterboard.

The TWPro MB Increaser is secured using the Locking Band supplied with the product. Ensure all connections are tight and the proper clearances are maintained.

The compressed rockwool insulation, with a density of 200kg/m3, provides excellent heat resistance and safety, helping to prevent heat transfer to surrounding materials.

Yes, the TWPro MB Increaser is suitable for a range of applications in both residential and commercial settings, provided it is used with compatible appliances and installed correctly.