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Pipe 0,25 m - Ø 450 (3-450-012)

National Flues presents the SWPro 0.25m Pipe - Ø 450mm, a high-quality, durable flue system crafted from 316L stainless steel. Ideal for boilers, ovens, ventilation systems, and chimney installations, this modular single wall pipe meets EN 1856-1 standards and is designed for both condensing and non-condensing applications. Enhance your building’s efficiency and safety with this versatile chimney flue component.
The price you pay today £192.99
including free delivery Give us a call if you find it cheaper and we'll try to price match.

 

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At a Glance

    Modular single wall design for versatile use
    Crafted from premium 316L stainless steel
    CE marked and compliant with EN 1856-1 standards
    Easy push-fit jointing system with secure locking bands
    Suitable for boilers, ovens, ventilation systems, and chimney shafts
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, June 17th. 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]

The SWPro 0.25m Pipe - Ø 450mm is a modular single wall flue system crafted from premium 316L stainless steel. Designed for robustness and durability, this flue pipe is ideal for both high and low temperature applications, including both condensing and non-condensing settings. It seamlessly fits into environments with positive and negative pressure, making it exceptionally versatile.

The SWPro system is perfect for use with boilers, ovens, ventilation systems, and as a chimney shaft liner. Officially CE marked, the SWPro adheres to high safety standards and quality benchmarks. With an easy push-fit jointing system that uses secure locking bands, installation is intuitive and secure.

For P1 and H1 installations, ensure that gaskets are fitted on every joint and maintain a distance of 50mm from any combustible materials. Available in various thicknesses based on flue diameter, this pipe meets EN 1856-1 standards for a dependable performance.

SKU: 3-450-012

Technical Specifications
SKU3-450-012
Length0.25 m (250 mm)
Diameter450 mm
Material316L Stainless Steel
ApprovalCE Marked (EN 1856-1 compliant)
ApplicationBoilers, ovens, ventilation systems, chimney liners
Pressure CompatibilityHandles both positive and negative pressure
FuelsGas and Oil
Warranty10 Years
JointingPush-fit jointing system with locking bands
- Ensure that jointing gaskets are fitted on every joint for P1 and H1 installations. - Maintain a minimum 50mm clearance from any combustible materials around the flue. - Follow the secure push-fit jointing method by aligning components precisely and ensuring locking bands are fully engaged. - Always refer to the installation manual for detailed guidelines and local regulatory requirements. - Check system pressure compatibility and alignment during setup to avoid future inefficiencies.

The SWPro 0.25m Pipe is made from high-grade 316L stainless steel, ensuring durability and resistance to high temperatures.

Yes, the SWPro 0.25m Pipe is designed for both condensing and non-condensing applications, providing versatility in various setups.

Absolutely, the SWPro 0.25m Pipe is built to handle both positive and negative pressure systems ensuring reliable performance.

Ensure that jointing gaskets are fitted on every joint for P1 and H1 installations. Maintain a 50mm distance from the outside of the flue to any combustible materials.

Yes, the SWPro 0.25m Pipe is CE marked, adhering to the EN 1856-1 standards for safety and quality.

This flue pipe is suitable for a range of applications including boilers, ovens, ventilation systems, and as a chimney shaft liner.

The SWPro 0.25m Pipe uses a push-fit jointing system that is secured with a locking band, making the installation process straightforward and secure.

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