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Damper Section Ø 125 (2-125-006)

Experience the unmatched efficiency offered by National Flues with our Damper Section Ø 125. This high-quality chimney flue accessory is designed for solid fuel and gas/oil appliances alike, ensuring superior performance and safety. Read more...
Now only £173.99
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At a Glance

  • HETAS approved and CE marked for safety
  • Constructed from high-grade 304 and 316 stainless steel
  • 40mm thick walls with high density rockwool insulation (200kg/m³)
  • Robust, fully welded design ensuring durability
  • Compatible with solid fuel and gas/oil appliances

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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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:

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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.

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

The Damper Section Ø 125 is an indispensable component for anyone operating solid fuel or gas/oil appliances, such as woodstoves, gas coal effect fires, or oil and gas boilers. Constructed with precision, the outer skin is crafted from 304 grade stainless steel, while the inner skin is made from 316 grade stainless steel, both with a 0.4mm thickness. For enhanced insulation, it features compressed rockwool with a dense 200kg/m3, ensuring peak performance by maintaining optimal heat retention.Fully welded parts ensure robust and reliable assembly.

This damper section complies with strict safety regulations, maintaining a critical 50mm distance to combustibles like wood or plasterboard for safer installation. As HETAS Approved and CE marked, it meets high safety and performance standards. Install with ease using the TWPro Twin Wall Insulated Chimney's locking band.

SKU: 2-125-006

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.

Technical Specifications
ModelDamper Section Ø 125
SKU2-125-006
Materials304 Stainless Steel (0.40mm thick), 316 Stainless Steel (0.40mm thick)
InsulationCompressed Rockwool, 200kg/m³
ApprovalsHETAS, CE
Installation DistanceMinimum 50mm from combustibles
Compliance StandardsEN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20
Before installation, ensure that the installation area meets the required safety distance of 50mm from any combustible surfaces. Use the locking band specific to the TWPro Twin Wall Insulated Chimney system to secure the damper section firmly in place. Always double-check that all connections are fully welded and sealed to prevent air leakage. If you are not confident in your ability to properly install the component, consult with a qualified installer to guarantee both optimal performance and safety.

The Damper Section Ø 125 is suitable for solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, oil and gas boilers, and any solid fuel appliances.

The outer skin is made of 304 grade stainless steel, and the inner skin is made of 316 grade stainless steel, both with a thickness of 0.4mm. The insulation is composed of compressed rockwool with a density of 200kg/m3.

Yes, the Damper Section Ø 125 is HETAS approved and also CE marked, ensuring it meets all essential safety and performance standards.

The Damper Section Ø 125 should be installed using a locking band to secure the parts of the TWPro Twin Wall Insulated Chimney system. Ensure a 50mm distance from the flue's exterior to any combustible materials such as wood or plasterboard.

A minimum distance of 50mm should be maintained between the outer surface of the flue and any combustible materials to ensure safety.

The Damper Section Ø 125 conforms to the EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20 standards.

Yes, the Damper Section Ø 125 helps regulate the draught within the chimney, thereby improving the fuel efficiency of your appliance by maintaining optimal heat retention.

 

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