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Pipe 100mm Ø 125 (2-125-018)

National Flues presents the Pipe 100mm Ø 125 twin wall insulated chimney flue pipe, an ideal choice for both solid fuel and gas/oil heating appliances. This highly efficient, insulated chimney flue pipe is designed for durability and safety, ensuring excellent performance and compliance with required standards.

What it’s for

This flue pipe is used to safely and efficiently vent smoke and gases from solid fuel and gas/oil heating appliances.

Full features & benefits

  • - Durable 304 and 316-grade stainless steel construction provides resistance to high temperatures and corrosion, ensuring longevity.
  • - Compressed rockwool insulation helps maintain optimal heat transfer while minimising energy loss, improving heating efficiency.
  • - Fully welded design enhances structural integrity and safety, reducing the risk of leaks or failure during operation.
  • - HETAS Approval and CE marking guarantee compliance with stringent safety standards, assuring you of a reliable product.
  • - A simple installation process with a Locking Band ensures that the components are securely fixed, making assembly quick and hassle-free.
  • - A mandated clearance of 50mm from combustibles improves safety in all installations.
Now only £32.99
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At a Glance

  • 100mm Ø 125 twin wall insulated chimney flue pipe
  • Double-layer stainless steel construction (304 outer, 316 inner, 0.40mm each)
  • Compressed rockwool insulation (200kg/m3) for superior thermal efficiency
  • Fully welded design ensuring long-lasting durability
  • HETAS Approved and CE marked with EN1856-1 designations
  • Effective installed length of 65mm, ideal for various heating 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.

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 100mm Ø 125 Twin Wall Insulated Chimney Flue Pipe is designed for seamless integration with solid fuel and gas/oil appliances, such as wood stoves, gas coal effect fires, and oil and gas boilers. Constructed with a 0.4mm thick outer skin of 304-grade stainless steel and an inner skin of 0.4mm thick 316-grade stainless steel, this flue pipe promises durability and outstanding performance. The insulation comprises compressed rockwool with a density of 200kg/m3, ensuring superior thermal efficiency.

Fully welded for maximum strength and safety, this pipe maintains a safe distance of 50mm from any combustible materials. Moreover, the TWPro system is HETAS Approved and CE marked, with designation numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20, guaranteeing compliance with safety standards. Installation is straightforward, requiring only a Locking Band to securely fix the components together.

SKU: 2-125-018

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
Inner Material316L Stainless Steel (0.40mm)
Outer Material304 Stainless Steel (0.40mm)
InsulationCompressed Rockwool (200kg/m3)
DesignationsEN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 W V2 L50040 O20
Effective Installed Length65mm
Clearance From Combustibles50mm
ApprovalsHETAS / CE
This chimney flue pipe is designed with ease of installation in mind. The fully welded components join together securely with a Locking Band, ensuring a reliable connection. During installation, ensure that the pipe maintains a minimum clearance of 50mm from any combustible materials. Always follow the manufacturer’s instructions and local building regulations to ensure a safe, efficient, and compliant setup.

This flue pipe is suitable for solid fuel and gas/oil appliances, including wood stoves, gas coal effect fires, oil, and gas boilers.

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

Maintain a distance of 50mm from the outside of the flue to any combustible material, such as wood or plasterboard.

Yes, the TWPro system, including this flue pipe, is HETAS Approved and CE marked, meeting all necessary safety standards.

The designation numbers are EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20.

The effective installed length of the 100mm Ø 125 Twin Wall Insulated Chimney Flue Pipe is 65mm.

The TWPro Twin Wall Insulated Chimney parts are secured together using a Locking Band.

 

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