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TWPro MB - Flat Increasing Adaptor - Ø 125-150mm (37-125-009)

The TWPro MB Flat Increasing Adaptor Ø 125-150mm is a reliable and high-quality solution engineered by TWPro for modern flue systems. Ideal for connecting woodstoves, gas boilers, oil burners, and solid fuel appliances, this adaptor offers a robust, certified option that complements your heating installation flawlessly. Read more...
TWPro MB - Flat Increasing Adaptor - Ø 125-150mm
IN STOCK
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Now only £55.99
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At a Glance

  • HETAS Approved and CE marked for safety compliance
  • Constructed with 0.4mm thick 304 stainless steel (outer) and 316L stainless steel (inner)
  • Flat increasing design offering a compact solution for transitioning between flue systems
  • Insulated with dense, compressed rockwool (200kg/m³) for superior thermal performance
  • Versatile use with woodstoves, oil boilers, gas boilers, and solid fuel appliances
  • Includes a Locking Band for secure, easy 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.

We Won't Be Beaten On Price

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).

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

The TWPro MB Flat Increasing Adaptor Ø 125-150mm is a versatile and essential component for connecting your appliance outlet to a TWPro system or transitioning from single wall connecting flue or vitreous enamel to TWPro. Its flat design ensures a smooth and efficient transition over the shortest length. **Application**: Perfect for use with a variety of appliances including woodstoves, gas coal effect fires, oil boilers, gas boilers, and any solid fuel appliances. This adaptor ensures optimal performance and safety.**Construction**: Crafted with an outer skin of 0.4mm thick 304 stainless steel, coated in a high-temperature black finish.

The inner skin is made of 0.4mm thick 316-grade stainless steel. The component is fully insulated with compressed rockwool, providing a density of 200kg/m3, and all parts are fully welded for maximum durability. **Approvals**: TWPro products are HETAS Approved and CE marked, signifying compliance with strict European standards. Designation numbers: EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.**Installation**: Easy to install using the supplied Locking Band, ensuring a secure connection.

Maintain a safety clearance of 50mm from the flue's exterior to any combustible materials like wood or plasterboard.

SKU: 37-125-009

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
Adaptor TypeFlat Increasing Adaptor
Diameter IncreaseØ 125mm to Ø 150mm
Outer Material304 Stainless Steel with high temperature black coating (0.4mm thick)
Inner Material316L Stainless Steel (0.4mm thick)
InsulationCompressed Rockwool, 200kg/m³
CertificationsHETAS Approved, CE Marked
Installation AccessoriesIncludes Locking Band
Minimum Clearance50mm from flue exterior to any combustible material
• Before beginning, verify that all parts and surfaces are clean and free from debris. • Position the adaptor carefully to ensure a smooth connection between your appliance outlet and the TWPro system or transition flue. • Secure the adaptor using the supplied Locking Band, ensuring it is firmly attached. • Maintain a minimum clearance of 50mm from any combustible materials such as wood framing or plasterboard. • Follow local building regulations and the detailed installation manual provided for compliance and safety. • Double-check all connections after installation to ensure there are no gaps and that the adaptor is fully secured.

The adaptor increases from Ø 125mm to Ø 150mm, making it versatile for various installations.

Yes, the TWPro MB Flat Increasing Adaptor is HETAS Approved and CE marked.

Yes, it is suitable for use with woodstoves, gas coal effect fires, oil boilers, gas boilers, and any solid fuel appliances.

The outer skin is made from 304 stainless steel with a high-temperature black finish, and the inner skin is 316-grade stainless steel. It is insulated with compressed rockwool.

A clearance of 50mm must be maintained from the outside of the flue to any combustible materials like wood or plasterboard.

The adaptor is secured using a Locking Band, which is supplied with the product.

Its flat design enables a smooth and efficient transition with minimal required length, making it practical for compact installations.

 

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