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Pipe 0,25 m - Ø 500 (3-500-012)

Discover the National Flues 0.25m Stainless Steel Flue Pipe – Ø 500, a high-quality modular flue pipe built for boilers, ovens, and ventilation systems. Our CE-marked product, constructed from premium 316L stainless steel, delivers reliable performance in condensing and non-condensing applications. Perfect as a chimney shaft liner or a versatile upgrade for your flue system, this product, along with its optional accessories, offers the ideal solution for both professionals and homeowners seeking Read more...
The price you pay today £212.99
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At a Glance

    Crafted from high-grade 316L stainless steel for exceptional longevity
    Modular push-fit jointing system secured with a locking band
    Suitable for both high and low temperature, condensing and non-condensing applications
    Certified to CE standards and compliant with EN 1856-1
    Versatile use in boilers, ovens, ventilation systems, and chimney shaft liners
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, June 10th. 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.

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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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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.
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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.

Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The 0.25m Stainless Steel Flue Pipe - Ø 500 from National Flues is a high-quality modular single wall flue system designed for diverse applications. Crafted from high-grade 316L stainless steel, this flue pipe ensures durability and resilience. With a high-pressure sealing gasket (P1/H1) and a CE mark, it meets the highest industry standards.

Ideal for both high and low-temperature settings, this flue pipe is capable of handling both non-condensing and condensing applications. It's perfect for boilers, ovens, ventilation systems, and as a chimney shaft liner. The push-fit jointing system with a locking band ensures easy and secure installation.

For P1 and H1 installations, ensure to fit gaskets at every joint and maintain a 50mm distance from any combustible materials.

SKU: 3-500-012

Technical Specifications
Material316L Stainless Steel
Length0.25 m
Diameteru00d8 500
CertificationsCE, EN 1856-1
Temperature ApplicationsHigh and Low Temperature, Condensing and Non-Condensing
Installation SystemPush-fit with locking band
Distance To Combustibles50mm
Warranty10 Years
Before beginning installation, carefully review all manufacturer guidelines. For P1 and H1 installations, ensure that all joints are fitted with high-pressure sealing gaskets to secure the connection in the push-fit system. Maintain a minimum clearance of 50mm from any combustible materials to comply with safety regulations. Additionally, verify that any optional accessories – such as extra sealing gaskets, support brackets, or chimney liners – are available and correctly utilised to tailor the installation to your specific needs. Secure the push-fit joints with the provided locking band to ensure a robust and durable connection that withstands high and low temperature conditions.

The flue pipe is made of high-grade 316L stainless steel, which offers excellent durability and resistance to corrosion.

Yes, the 0.25m Stainless Steel Flue Pipe is designed to handle both high and low-temperature settings, making it versatile for different applications.

Absolutely! This flue pipe is suitable for both non-condensing and condensing applications, providing flexibility for various systems.

The flue pipe features a modular push-fit jointing system secured with a locking band. For P1 and H1 installations, jointing gaskets must be fitted at every joint.

The CE mark indicates that the 0.25m Stainless Steel Flue Pipe meets the European safety, health, and environmental protection requirements as per EN 1856-1 standards.

Ensure to keep a distance of 50mm between the flue pipe and any combustible materials, such as wood or plasterboard.

Yes, the 0.25m Stainless Steel Flue Pipe is ideal for use as a chimney shaft liner, offering versatility in its applications.

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