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Horizontal pipe with drain - Ø 800 (3-800-025)

National Flues presents the Horizontal Pipe with Drain - Ø 800, a high-quality solution within our renowned SWPro flue system range. Engineered from premium 316L Stainless Steel, this product is perfect for modern heating and ventilation applications, including boilers, ovens, and exhaust systems. Our robust and certified flue pipe is designed to meet stringent EN 1856-1 standards, ensuring safe, leak-proof, and efficient performance. Ideal for both condensing and non-condensing operations, this Read more...
The price you pay today £521.99
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At a Glance

    Constructed from premium 316L Stainless Steel
    High-pressure sealing gasket for leak-proof joints
    Simple push-fit jointing system with Locking Band
    Compliant with EN 1856-1 and CE marked
    Versatile use in boilers, ovens, ventilation systems and chimney shaft liners
    Designed for both condensing and non-condensing applications
    Built to endure high and low temperature conditions
    Ensures a safe 50mm clearance from combustibles
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, June 9th. 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 800 from National Flues is a versatile and reliable component of the SWPro single-wall modular flue system. Constructed with premium 316L grade Stainless Steel, this flue pipe is suitable for high and low temperature applications, both condensing and non-condensing. Its high-pressure sealing gasket ensures secure and leak-proof connections, making it ideal for boilers, ovens, ventilation systems, and chimney shaft liners.

The SWPro system is CE marked and boasts robust compliance with EN 1856-1 standards. Installation is straightforward with its push-fit jointing system and Locking Band. Ensure a 50mm clearance from any combustible materials for safe operation.

SKU: 3-800-025

Technical Specifications
Material316L Stainless Steel
Diameteru00d8 800 mm
CertificationCE Marked, EN 1856-1 Compliant
ApplicationsSuitable for boilers, ovens, ventilation systems, and chimney shaft liners
SealingHigh-pressure sealing gasket included
InstallationPush-fit jointing system with Locking Band
ClearanceMinimum 50mm from combustible materials
Warranty10 Years
SystemSWPro Single-wall Modular Flue System
Installation of the Horizontal Pipe with Drain - Ø 800 is straightforward and designed for efficiency. Begin by ensuring all relevant safety measures are in place, including a minimum clearance of 50mm from combustible materials. Use the push-fit jointing system to align the pipe sections, ensuring each join is fitted with the high-pressure sealing gasket. Secure the joints with the Locking Band for added stability; this guarantees a firm, leak-proof connection. Follow manufacturer recommendations and consult the EN 1856-1 standards for best practices. This system is designed for a quick, safe installation, reducing potential for errors and ensuring optimal performance.

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

Yes, it is suitable for both high and low temperatures, as well as for condensing and non-condensing applications.

The Horizontal Pipe with Drain - Ø 800 is CE marked and complies with EN 1856-1 standards.

Installation is straightforward with a push-fit jointing system secured by a Locking Band. Ensure that jointing gaskets are fitted at every joint and maintain a 50mm distance from combustible materials.

This pipe is ideal for use in boilers, ovens, ventilation systems, and chimney shaft liners.

Yes, the pipe includes a high-pressure sealing gasket to ensure secure and leak-proof connections.

The SWPro flue system is available in diameters ranging from Ø 80mm to Ø 400mm, with appropriate thicknesses for each size.

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