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Horizontal pipe with drain - Ø 500 (3-500-025)

National Flues' Horizontal Pipe with Drain - Ø500 is a premium stainless steel flue component essential for modern boiler, oven, and ventilation system installations. This SWPro modular flue system, engineered from high-grade 316L Stainless Steel, is ideal for both condensing and non-condensing applications. Its robust design, compliance with EN 1856-1 standards, and CE marking ensure outstanding performance and safety for both commercial and residential projects.
The price you pay today £244.99
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

    316L Stainless Steel construction for superior durability
    Designed for both high and low-temperature applications
    Modular design with an easy push-fit jointing system
    Complies with EN 1856-1 standards and is CE marked
    Reliable handling of positive and negative pressure flue gases
    High-pressure sealing gasket (P1/H1) for leak-proof performance
    Versatile use in boilers, ovens, ventilation systems, and chimney 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.

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 Horizontal pipe with drain - Ø 500 is part of our reputable SWPro modular single wall flue system, crafted from 316 grade stainless steel and featuring a high-pressure sealing gasket P1/H1. This universal flue system is suitable for both high and low temperatures, and for both non-condensing and condensing applications, capable of handling flue gases in positive and negative pressure. Ideal for a wide range of applications such as boilers, ovens, ventilation systems, and as a chimney shaft liner.Constructed from durable 316L stainless steel, the horizontal pipe comes in various thicknesses depending on the flue diameter, ensuring robustness and reliability.

SWPro flue systems are CE marked and conform to EN 1856-1 standards, guaranteeing top-notch performance and safety. The modular design of SWPro allows for easy installation with a push-fit jointing system secured by a locking band. For P1 and H1 installations, jointing gaskets must be fitted at every joint, and a distance of 50mm from the outside of the flue to any combustible material (wood, plasterboard) must be maintained.

SKU: 3-500-025

Technical Specifications
Material316L Stainless Steel
GasketHigh-pressure sealing gasket (P1/H1)
StandardEN 1856-1, CE Marked
Diameteru00d8500
SystemSWPro modular flue system
ApplicationsGas, Oil, Boilers, Ovens, Ventilation, Chimney Shaft Liner
Installation Clearance50mm from combustible materials
Warranty10 Years
• Ensure all joints are securely connected using the push-fit jointing system • Fit a high-pressure sealing gasket at every joint for P1/H1 installations • Maintain the mandatory 50mm clearance from any combustible materials (e.g., wood, plasterboard) • Use the appropriate locking band to secure each connection • Follow manufacturer guidelines for integrating optional accessories for optimal system performance

The pipe is constructed from high-grade 316L stainless steel, ensuring durability and longevity in various applications.

Yes, it is suitable for both high and low-temperature applications, including those with positive and negative pressure flue gases.

Yes, the SWPro system is designed to handle both condensing and non-condensing applications effectively.

The pipe uses a push-fit jointing system secured by a locking band. Gaskets must be fitted at every joint for P1 and H1 installations, and a 50mm clearance from combustible materials is required.

Yes, the SWPro system is CE marked and conforms to EN 1856-1 standards, ensuring high performance and safety.

This pipe is ideal for boilers, ovens, ventilation systems, and can also be used as a chimney shaft liner.

Yes, National Flues provides reliable nationwide delivery for both retail and trade customers, ensuring you receive your order promptly and efficiently.

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