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TWPro MB - Single Wall to Twin Wall Adaptor - Ø 125 (37-125-001)

National Flues offers the TWPro MB Single Wall to Twin Wall Adaptor, a premium solution for seamlessly connecting your chimney flue system. This high-quality adaptor is perfect for wood, gas, and oil appliances, ensuring efficiency and safety. Enhance your installation with top-notch accessories from National Flues and experience reliable performance every time.
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£23.49
Give us a call if you find it cheaper and we'll try to price match.

 

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At a Glance

  • Robust 316L inner & 304 outer stainless steel construction
  • High temperature black coated outer skin
  • HETAS and CE approved for safety
  • Compatible with wood, oil, gas, and low sulphur coal appliances
  • Easy, secure installation with an included locking band

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: [email protected]

The TWPro MB Single Wall to Twin Wall Adaptor - Ø 125 is designed to provide a seamless connection for solid fuel, gas, and oil appliances to twin wall flue systems. Suitable for use with woodstoves, gas coal effect fires, oil boilers, and other solid fuel appliances, this adaptor ensures a smooth transition from single wall to twin wall configurations. Its robust construction features a 304 stainless steel outer skin with a high-temperature black finish and a 316 grade stainless steel inner skin.

The insulation is made from compressed rockwool with a density of 200kg/m3. All components are fully welded to guarantee durability and performance. The TWPro MB Adaptor complies with stringent safety standards, including HETAS approval and CE marking, and maintains a safe 50mm distance from combustibles.

Installation is straightforward with a secure locking band included.

SKU: 37-125-001

Technical Specifications
Diameter125mm
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel (0.40mm thick, High Temperature Black Coated)
InsulationCompressed Rockwool (200kg/m3 density)
ApprovalsHETAS, CE
Clearance50mm from combustibles
Design StandardsEN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 P1 W V2 L50040 020
• Ensure a minimum clearance of 50mm from any combustible material. • Connect single wall flue pipes or vitreous enamel pipes to twin wall systems. • Use the provided locking band to secure the adaptor firmly in place. • Follow all manufacturer guidelines and safety protocols during installation. • Consult a certified installer if you have any doubts regarding the process.

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

The outer skin is made from 304 stainless steel with a high-temperature black finish, while the inner skin is made from 316 grade stainless steel. The insulation consists of compressed rockwool with a density of 200kg/m3.

Yes, the TWPro MB Adaptor is HETAS approved and CE marked. It adheres to safety standards EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.

The TWPro MB Adaptor is secured using a locking band (supplied). Ensure a 50mm clearance from any combustible materials such as wood or plasterboard.

The diameter of the TWPro MB Adaptor is 125mm.

Yes, the TWPro MB Adaptor is versatile and can be used for both residential and commercial installations, provided the appliances meet the specified requirements.

A distance of 50mm should be maintained from the outside of the flue to any combustible material.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 30th. If you need faster stove or fireplace delivery please give us a call. We can often reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

Warranty & Returns +

All our products come with warranties. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

Price Match Guarantee +

We will match any price like for like on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our TWPro MB - Single Wall to Twin Wall Adaptor - Ø 125 buyers guide

Don’t compromise on quality and safety – choose the TWPro MB Adaptor and upgrade your system today.

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