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Pipe 0,25 m - Ø 125 (3-125-012)

National Flues presents the SWPro 250mm Single Wall Flue Pipe – Ø 125, a leading choice for enhancing heating systems. Crafted from superior 316L stainless steel, this flue pipe meets stringent EN standards and is perfectly suited for boilers, ovens, and ventilation applications. With its robust construction and innovative design, this product stands out as an ideal solution for both condensing and non-condensing environments.
The price you pay today £38.99
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At a Glance

    CE Marked for safety compliance
    Constructed from high-grade 316L stainless steel
    Modular design with push-fit jointing system
    Locking Band ensures secure and leak-free connections
    Suitable for a wide range of applications including boilers, ovens, and ventilation systems
    Designed for both condensing and non-condensing environments
    Complies with EN 1856-1 standards, ensuring robust performance
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, June 19th. 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.

Warranty & Returns +

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.

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.

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]

Enhance your flue system with the SWPro 250mm Single Wall Flue Pipe – Ø 125mm, designed for a multitude of applications. Crafted from high-grade 316L stainless steel, this pipe ensures longevity and resilience. The modular design includes a push-fit jointing system, secured with a Locking Band, making installation straightforward.

The SWPro can be used in both high and low temperature, non-condensing and condensing situations. It is suitable for boilers, ovens, ventilation systems, and as a chimney shaft liner. CE marked and compliant with designations EN 1856-1: T200 H1 W Vm L50040 O(50) – Ø 80 to Ø 200 and EN 1856-1: T200 H1 W Vm L50050 O(50) – Ø 250 to Ø 400, this pipe meets stringent quality and safety standards.

Remember to fit jointing gaskets in P1 and H1 installations and maintain a 50mm distance from combustible materials. Get the reliability and affordability you deserve with National Flues.

SKU: 3-125-012

Technical Specifications
SKU3-125-012
Length250mm
Diameter125mm
Material316L Stainless Steel
Suitable FuelsGas, Oil
StandardsEN 1856-1, CE Marked
ApplicationBoilers, ovens, ventilation systems, chimney liners
Warranty10 Years
Installation Clearance50mm from combustible materials
For optimal performance, ensure that jointing gaskets are correctly fitted at every joint in P1 and H1 installations. The push-fit jointing system should be secured using the Locking Band to create a robust, leak-proof connection. Always maintain a minimum clearance of 50mm from any combustible materials, such as wood or plasterboard. Follow the detailed installation guidelines provided in the EN 1856-1 standard, and consult with a professional installer if you are unsure about any aspect of the process.

The SWPro pipe is made from high-grade 316L Stainless Steel, ensuring durability and resistance to high temperatures and corrosion.

Yes, the SWPro single wall flue is suitable for both high and low temperatures, as well as non-condensing and condensing applications.

The SWPro features a modular design with a push-fit jointing system secured by a Locking Band. In P1 and H1 installations, ensure jointing gaskets are fitted to every joint.

Yes, it’s crucial to maintain a distance of 50mm from the outside of the flue to any combustible material like wood or plasterboard.

Absolutely, the SWPro flue pipe is CE marked and conforms to the rigorous standards specified under EN 1856-1: T200 H1 W Vm L50040 O(50) and EN 1856-1: T200 H1 W Vm L50050 O(50).

The SWPro flue pipe is ideal for a range of applications including boilers, ovens, ventilation systems, and as a chimney liner.

Yes, National Flues offers dependable nationwide delivery for both retail and trade customers, ensuring you get your products reliably and on time.

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