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Horizontal pipe with drain - Ø 400 (3-400-025)
The Horizontal Pipe with Drain – Ø 400 is a robust flue system crafted from premium 316L stainless steel, designed to meet the high demands of modern heating and ventilation applications. As part of the acclaimed SWPro range, this flue is ideal for boilers, ovens, and various HVAC installations, ensuring compliance with EN 1856-1 standards and offering versatile performance in both condensing and non-condensing environments. National Flues is your trusted source for reliable, high-quality flue solutions.
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£141.49
with free delivery
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Premium 316L stainless steel construction
Versatile design for both condensing and non-condensing applications
Complies with EN 1856-1 standards and is CE marked
Innovative push-fit jointing system with a secure Locking Band
Integrated drain for effective condensate management
Suitable for boilers, ovens, ventilation systems, and chimney shaft liners
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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.
The Horizontal pipe with drain - Ø 400 is part of our SWPro category, a modular single-wall flue system constructed from premium 316L Stainless Steel. Suitable for high and low temperatures, as well as non-condensing and condensing applications, this flue system handles both positive and negative pressure scenarios with ease. Thanks to its construction, it perfectly suits boilers, ovens, ventilation systems, and can even function as a chimney shaft liner.
The system boasts CE marking and adheres to EN 1856-1 standards. With an easy push-fit jointing system and secure Locking Band, installation is straightforward. Always ensure a minimum 50mm distance from any combustible materials.
Ensure a minimum spacing of 50mm from any combustible materials before installation. Use the easy push-fit jointing system and secure all connections with the Locking Band provided. Follow the EN 1856-1 standard guidelines throughout the installation process. Verify that the integrated drain is properly aligned to avoid any pooling of condensate. If you are unsure about any part of the installation, consult with a professional installer for added safety and reliability. Additionally, check for any optional accessories, such as additional sealing kits or insulation options, to enhance your system’s performance.
This horizontal pipe is made from high-grade 316L Stainless Steel, ensuring durability and resistance to corrosion.
The Horizontal Pipe with Drain - Ø 400 is ideal for boilers, ovens, ventilation systems, and can also be used as a chimney shaft liner.
The SWPro system is CE marked and complies with EN 1856-1 standards, making it a reliable choice for various installations.
The system features a straightforward push-fit jointing mechanism secured with a Locking Band. Installation is quick and efficient, but always ensure a 50mm distance from any combustible materials.
Yes, the Horizontal Pipe with Drain - Ø 400 is designed to handle both positive and negative pressure applications.
Absolutely. The SWPro system is versatile enough to be used in both condensing and non-condensing applications.
The SWPro system ranges from Ø 80mm to Ø 400mm, making it flexible for various installation requirements.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Thursday, May 1st. Delivery times of products not in our warehouses depend on product availability and shipping. If you need a definitive delivery time give us a call.
If you need faster stove or fireplace delivery please also 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. Mi-Flex offers a lifetime guarantee.
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.
Read our review in our Horizontal pipe with drain - Ø 400 buyers guide
Comprehensive Buyers Guide
When selecting the ideal flue system, it is essential to consider not only the immediate installation needs but also the long-term reliability and efficiency of the product. The Horizontal Pipe with Drain – Ø 400 from National Flues is engineered to meet these demands with precision and care. This guide will provide you with detailed insights into why this product is the best choice, how it functions, and the installation aspects you need to be aware of.
Product Overview
The Horizontal Pipe with Drain – Ø 400 is a pivotal component of the SWPro flue system. Manufactured using high-grade 316L stainless steel, this flue is designed to withstand a variety of temperatures and pressures, making it a versatile option for numerous applications. Whether you are installing a system for a boiler, an oven, or a ventilation unit, this flue not only meets but exceeds current standards by conforming to EN 1856-1 requirements and being CE marked. The robust construction and innovative design—featuring a push-fit jointing mechanism and a secure Locking Band—ensure a safe and efficient installation.
Key Benefits and Features
Premium Material: The use of 316L stainless steel provides superior durability and resistance to corrosion. This is crucial for ensuring that the flue maintains its integrity over time, even in harsh environments.
Versatility: Designed to suit both condensing and non-condensing applications, the Horizontal Pipe with Drain – Ø 400 adapts seamlessly to various heating systems. This makes it an ideal solution for both residential and commercial projects.
Ease of Installation: The push-fit jointing system significantly simplifies the installation process, reducing both labour time and related costs. The secure Locking Band guarantees that once joined, the sections remain tightly connected, minimising leakage and ensuring safety.
Integrated Drainage: An often overlooked but critical feature is the integrated drain that efficiently handles condensate. This function is indispensable in maintaining the integrity of the flue, particularly in systems where condensation is a common challenge.
Safety Considerations: The product mandates a strict minimum clearance of 50mm from any combustible materials. This distancing is vital in safeguarding against potential fire hazards, making it a safe choice for any installation.
Installation and Safety Guidelines
It is strongly recommended that all installations observe the manufacturer’s guidelines, particularly the requirement of maintaining at least 50mm clearance from combustibles. The easy-to-use push-fit assembly reduces complexity but should always be carried out with the utmost care. The installation process is clearly outlined in the product documentation and is designed to be user-friendly, even for those with moderate DIY expertise. However, for any uncertainties or specialized installations, professional consultation is advised.
Optional Accessories and Enhancements
To further optimise the performance of your flue system, National Flues offers a range of optional accessories. These may include additional sealing kits, enhanced insulation options, and specialized fittings to ensure a perfect match with your specific installation needs. If your project requires extra features such as additional weatherproofing or faster assembly solutions, we encourage you to explore our accessory sections on the website. These optional upgrades are crafted to complement the Horizontal Pipe with Drain – Ø 400 seamlessly and provide enhanced operational efficiency and longevity.
Addressing Common Objections
Many customers ask if they truly need a high-spec component like the Horizontal Pipe with Drain. The answer lies in its longevity and the safety it provides. While initial costs may be slightly higher compared to lower quality materials, the reduced maintenance costs and enhanced system efficiency have long-term benefits. Furthermore, some may worry about the complexity of installation, but with the intuitive push-fit design and detailed instructions, this product ensures a hassle-free setup. Should there be any doubts, our customer service team is readily available to offer guidance and support throughout your purchase and installation process.
Long-term Value and Investment
Investing in a quality flue system means you are taking proactive steps towards ensuring a safe and efficient heating or ventilation environment. The Horizontal Pipe with Drain – Ø 400 is not just a component but a critical element in the overall performance of your installation. By ensuring excellent material quality, ease of installation, and comprehensive safety features, this flue system represents a sound investment that can yield significant operational benefits year after year. The efficiency in managing both positive and negative pressures further emphasises its versatility and high-performance standards.
Final Thoughts
The Horizontal Pipe with Drain – Ø 400 by National Flues is designed for those who value quality, performance, and reliability. Whether it’s for a new installation or a replacement upgrade, the benefits of this modular flue system are undeniable. Its superior construction, ease of use, and adaptability to various scenarios make it an indispensable component in modern heating and ventilation solutions. For additional accessories to further tailor your setup, please browse our extensive range on our website.
Buy now or call 01670 206 999.
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