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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.
The price you pay today £41.99
Give us a call if you find it cheaper and we'll normally price match.

 

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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
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

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All our products come with warranties and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

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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.

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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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: [email protected]

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

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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