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TWPro MB - Flat Increasing Adaptor - Ø 100-125mm (37-100-009)

The National Flues TWPro MB Flat Increasing Adaptor (Ø100-125mm) delivers unmatched quality and durability for both solid fuel and gas/oil appliances. Perfect for providing an efficient transition in your chimney system, this adaptor offers robust construction, HETAS approval, and a sleek high-temperature finish, making it a standout choice for UK flue applications.

What it’s for

The TWPro MB Flat Increasing Adaptor (Ø 100-125mm) is designed to connect the appliance outlet to the TWPro flue system, facilitating a smooth transition and increasing the diameter by 25mm.

Full features & benefits

  • ✓
    - Reliable and safe connection ensuring efficient performance of your flue system
  • ✓
    - Premium materials (316L inner and 304 outer stainless steel) ensure rust resistance and durability
  • ✓
    - Fully welded design minimizes leak risks and provides long-lasting stability
  • ✓
    - Versatile use for wood stoves, gas coal-effect fires, oil and gas boilers allows extensive application
  • ✓
    - Quick, stress-free installation reduces downtime and installation hassles
TWPro MB - Flat Increasing Adaptor - Ø 100-125mm
IN STOCK
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Now only £49.99
Give us a call if you find it cheaper and we'll normally price match.
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At a Glance

  • HETAS approved and CE marked for safety compliance
  • Robust, fully welded construction with high-temperature black coated finish
  • Seamless transition from Ø100mm to Ø125mm for diverse appliance compatibility
  • Constructed with premium 316L and 304 stainless steel for longevity
  • Easy installation with supplied Locking Band, maintaining a 50mm safe distance from 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.

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.
  • Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
  • Operational Efficiency: We have streamlined processes to reduce overhead.

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).

“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.

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

The TWPro MB Flat Increasing Adaptor (Ø 100-125mm) is a versatile component designed for seamless connection between your appliance outlet and the TWPro flue system, extending by 25mm. Suitable for solid fuel and gas/oil appliances such as wood stoves, gas coal-effect fires, oil boilers, and gas boilers. The adaptor boasts robust construction with an outer skin made from 304-grade stainless steel (0.4mm thick) coated in a high-temperature black finish.

The inner skin, made from 316-grade stainless steel (0.4mm thick), is insulated with compressed rockwool at a density of 200kg/m3, ensuring excellent thermal resistance. The entire unit is fully welded for enhanced durability. Compliance is guaranteed as the TWPro system is HETAS approved and CE marked with the designation numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.

Installation is straightforward, using a Locking Band (supplied), and requires maintaining a 50mm distance from any combustible materials like wood or plasterboard.

SKU: 37-100-009

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.

This is us — real advice over the phone, or at the counter, and real stock in our warehouse.

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Technical Specifications
SKU37-100-009
ModelTWPro MB - Flat Increasing Adaptor
SizeØ100-125mm
Inner Material316L Stainless Steel 0.40mm
Outer Material304 Stainless Steel 0.40mm, High Temperature Black Coated
InsulationCompressed Rockwool 200kg/m3
ApprovalHETAS / CE
DesignationEN1856-1 T600 N1 W V2 L50040 G50 / EN1856-1 T200 P1 W V2 L50040 O20
Compatible FuelsWood, Oil, Gas, Low sulphur coal
Minimum Distance To Combustibles50mm
Installation is straightforward using the supplied Locking Band. Ensure a minimum safety distance of 50mm from any combustible material such as wood or plasterboard. All components must be securely fastened, and adherence to manufacturer guidelines is essential for optimal performance and safety. For best practices, always refer to the detailed installation manual and, if in doubt, consult a certified installer to ensure your installation complies with current standards and regulations.

The adaptor is suitable for solid fuel and gas/oil appliances including wood stoves, gas coal-effect fires, oil boilers, and gas boilers.

The outer skin is made from 304 stainless steel and the inner skin from 316 stainless steel, both 0.4mm thick, with insulation comprising compressed rockwool at 200kg/m3 density.

Yes, the TWPro MB Flat Increasing Adaptor is HETAS approved and CE marked, meeting the standards EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.

Installation is easy using the Locking Band supplied with the adaptor. Ensure a distance of 50mm is maintained from any combustible materials during installation.

The adaptor is coated in a high-temperature black finish, ensuring both durability and a sleek appearance.

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

Yes, the adaptor is perfect for both retail customers and trade professionals, with reliable delivery service and competitive pricing available nationwide.

 

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