Cookies ensure a smooth, secure, & ever-improving website. By continuing you agree to our use of cookies as detailed in our Cookie Policy. Enjoy your visit & call 01670 206 999 if you need any help!
Cookie Preferences
We use different types of cookies for various purposes. Please select which you allow:
Pipe 0,25 m - Ø 350 (3-350-012)
Discover the National Flues SWPro 350mm 0.25m Stainless Steel Flue Pipe, a key component in modern chimney systems and high-performance flue installations. Engineered from 316L stainless steel, this pipe excels in both commercial and residential applications, providing unmatched durability, safety, and versatility for boilers, ovens, and ventilation systems.
Out of Stock – Pre-order Now
£143.44
with free delivery
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Crafted from high-grade 316L stainless steel ensuring longevity and corrosion resistance Modular design optimised for versatility in various heating systems Simple push-fit jointing system with a secure locking band for a reliable connection Suitable for both condensing and non-condensing applications including boilers, ovens, and ventilation systems CE marked and EN 1856-1 compliant to meet high safety and performance standards Maintains a safe 50mm distance from combustible materials for enhanced safety
×
Email Product
Enter your email address to send the product details:
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 SWPro 350mm 0.25m Stainless Steel Flue Pipe is a premium component of our modular single wall flue system. Crafted from high-grade 316L stainless steel, this flue pipe boasts exceptional durability and resistance to corrosion. The flue system features a high-pressure sealing gasket (P1/H1), making it suitable for both high and low-temperature environments, non-condensing and condensing applications, with flue gases in positive or negative pressure.
Not only is it ideal for boilers, ovens, and ventilation systems, but it also serves as a perfect chimney shaft liner. The CE-marked SWPro system ensures compliance with EN 1856-1 standards. Installation is straightforward with its push-fit jointing system, secured by a locking band.
For P1 and H1 installations, jointing gaskets must be used on every joint, and a 50mm distance from combustible materials must be maintained.
SKU: 3-350-012
Technical Specifications
Material
316L Stainless Steel
Length
0.25 m
Diameter
350 mm
Jointing System
Push-fit with locking band
Gasket Requirement
High-pressure sealing (P1/H1) must be fitted on every joint
Applicable Environments
Coldest to highest temperature, condensing and non-condensing applications
Minimum Clearance
50mm from combustible materials
Warranty
10 Years
Compliance
CE Marked, EN 1856-1
For best performance, install the SWPro flue pipe by following these steps: Ensure that the push-fit joint is correctly aligned and secured with the provided locking band. For P1 and H1 installations, always use the correct high-pressure sealing gaskets on every joint to prevent gas leaks or heat loss. Maintain a clearance of 50mm from any combustible material during installation and check local building regulations. Finally, refer closely to the manufacturer’s installation manual to ensure compliance and safety during set-up.
The SWPro flue pipe is made of 316L high-grade stainless steel, ensuring excellent durability and corrosion resistance.
Yes, the SWPro flue system is CE marked and conforms to EN 1856-1 standards.
Absolutely, the SWPro flue pipe is suitable for both condensing and non-condensing applications.
The installation is simple with a push-fit jointing system and a locking band. For P1 and H1 installations, jointing gaskets must be fitted on every joint.
It is recommended to maintain a 50mm distance from the outside of the flue to any combustible material such as wood or plasterboard.
The SWPro flue pipe is suitable for a broad range of appliances, including boilers, ovens, ventilation systems, and as a chimney shaft liner.
Yes, National Flues offers reliable nationwide delivery throughout the UK, serving both retail and trade customers.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Monday, May 12th. 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 Pipe 0,25 m - Ø 350 buyers guide
Introduction
The SWPro 350mm 0.25m Stainless Steel Flue Pipe by National Flues is designed for customers seeking a robust, reliable, and versatile solution for their heating system installations. With a construction based on high-grade 316L stainless steel, this flue pipe is tailored to meet the demands of both residential and commercial applications. In this guide, we will explore the benefits, technical features, installation guidance, and important considerations for choosing this flue pipe as part of your heating solution.
Why Choose the SWPro Stainless Steel Flue Pipe?
Durability and Performance: The superior quality of 316L stainless steel ensures that your flue system withstands both high and low temperatures without compromising its structural integrity. Over time, this translates into significant savings on maintenance and replacement costs. The SWPro pipe has been rigorously tested to deliver consistent performance under extreme conditions.
Versatility: Whether you are installing a new boiler, upgrading an existing oven, or fitting a ventilation system, this flue pipe is designed to seamlessly integrate into your setup. Its modular design allows for flexibility in configuration, making it suitable for a wide range of installations including commercial kitchens, industrial settings, and modern home heating systems.
Detailed Features and Their Benefits
- High-Quality 316L Stainless Steel: This ensures excellent resistance to rust and corrosion, which is critical for flue pipes that are exposed to high-temperature flue gases. The longevity factor means you invest less in replacements.
- Modular and Flexible Design: Adapting to various installation scenarios, this pipe can be used as a direct component in complex systems. Its flexible design means fewer modifications and simpler system integration.
- Push-Fit Jointing with Locking Band: No specialist tools are required due to the intuitive push-fit mechanism. This reduces installation time and labour costs while providing a secure and airtight connection.
- CE Marked and Compliant with EN 1856-1: Standards adherence ensures that safety and environmental guidelines are rigidly met. This compliance also reinforces trust in the product's quality.
- Safe Clearance Requirements: Maintaining a recommended 50mm gap from any combustible materials ensures that the risk of fire hazards is minimised. This safety feature is crucial in buildings where fire regulations are stringent.
Installation Considerations and Best Practices
Before commencing installation, always read the manufacturer's guidelines thoroughly. Proper alignment and secure locking of each joint are essential. For installations classified as P1 or H1, ensure that every joint is fitted with the required gaskets. This simple yet essential step can make a significant difference in both the durability and safety of your installation. If you are unsure about any aspect of the installation process, it is advisable to consult with a professional installer or contact National Flues for further guidance.
Integration with Optional Accessories
To enhance the functionality of your heating system, consider exploring a variety of optional accessories that complement the SWPro flue pipe. Accessories such as additional sealing gaskets, support brackets, and protective coatings can help tailor the system to specific needs. These accessories not only bolster the performance of the primary flue pipe but also ensure a more fortified, safe, and energy-efficient setup. They provide extra layers of security and ease during installation, ensuring that your system remains robust and reliable over the long term.
Addressing Customer Concerns
Many installers and homeowners might find themselves questioning the longevity of materials under constant thermal stress. With this flue pipe’s design and materials, you can be confident in its ability to withstand the rigours of both condensate build-up in condensing systems and high-gas temperatures in non-condensing applications. Additionally, while some may worry about the installation complexity, the intuitive push-fit system simplifies the process remarkably, and detailed instructions provide clarity at every step. The product’s compliance with international standards further instils confidence in its safety and efficiency.
Final Thoughts
The National Flues SWPro 350mm 0.25m Stainless Steel Flue Pipe stands out as an essential component for modern heating systems. Its blend of durability, ease-of-installation, and regulatory compliance makes it an investment that offers both immediate benefits and long-term reliability. Designed with the customer in mind, the system is straightforward to integrate and allows for a variety of accessory options to further enhance performance and safety. Taking into account all these benefits, this flue pipe is an excellent choice for those who value efficiency, reliability, and performance in their heating systems.
In conclusion, when you decide to invest in the SWPro flue system, you are opting for quality, safety, and peace of mind. buy now or call 01670 206 999
Purchase with confidence—add to cart today!
×
Select Product Options
×
Product added
Would you like to keep shopping or head to checkout?