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Horizontal pipe with drain - Ø 100 (3-100-025)

National Flues presents the Horizontal Pipe with Drain - Ø 100, a high-quality stainless steel flue component designed for superior performance. As part of the SWPro modular flue system, this product is engineered to meet the demands of combustion gases in boilers, ovens, and ventilation systems. Enhance your installation with this versatile horizontal pipe and take advantage of its durability and efficiency, making it the ideal choice for professionals and DIY enthusiasts seeking reliable flue Read more...
The price you pay today £53.99
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At a Glance

    Made from premium 316L Stainless Steel
    Integrated drain for efficient moisture management
    Complies with EN 1856-1 and CE standards
    Seamless push-fit jointing system with Locking Band
    Suitable for both non-condensing and condensing applications
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, June 24th. 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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  • 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).

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

The Horizontal pipe with drain - Ø 100 is a highly versatile component of the SWPro system, ideal for a wide range of applications including boilers, ovens, and ventilation systems. Constructed from top-quality 316L stainless steel, it's designed to handle both high and low temperatures, and is suitable for non-condensing and condensing applications. This single wall flue system features a high-pressure sealing gasket (P1/H1), ensuring it meets the highest standards for efficiency and safety.

CE marked and compliant with EN 1856-1 standards, the SWPro system offers exceptional performance and reliability. Installation is straightforward with a push-fit jointing system secured by a Locking Band. Be sure to maintain a 50mm clearance from combustible materials.

SKU: 3-100-025

Technical Specifications
Material316L Stainless Steel
Pipe Diameteru00d8 100
StandardsEN 1856-1, CE Mark
Installation MethodPush-fit jointing with Locking Band
ClearanceMinimum 50mm from combustibles
Warranty10 Years
Applicable FuelsGas, Oil
SystemSWPro
Pressure ApplicationsSuitable for both positive and negative pressure applications
To install the Horizontal Pipe with Drain, begin by ensuring all working surfaces are clean and free of debris. The system features a simple push-fit jointing mechanism—each connection must be secured using the included Locking Band. Always install a high-pressure sealing gasket at every joint (P1/H1) to prevent leaks and maintain system integrity. Critical to the installation process is maintaining a clearance of at least 50mm from any combustible material, ensuring compliance with safety standards. While the design supports both non-condensing and condensing applications, proper sealing and secure connections are essential. For any uncertainty or complex implementation, it is advisable to consult with a professional installer or refer directly to the manufacturer’s detailed installation manual.

The Horizontal Pipe with Drain is made from 316L grade stainless steel, offering excellent durability and resistance to corrosion.

Yes, the Horizontal Pipe with Drain is suitable for both non-condensing and condensing applications.

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

It features a modular push-fit jointing system that is secured with a Locking Band. In P1 and H1 installations, ensure jointing gaskets are fitted on every joint.

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

A distance of 50mm from the outside of the flue to any combustible material is required.

Yes, the Horizontal Pipe with Drain is designed for use with flue gases in both positive and negative pressure situations.

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