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Tee 90° reduced connection Ø 125 - Ø 350 (3-350-R90-125)
National Flues presents the Tee 90° Reduced Connection Ø125 - Ø350, a premium flue system component engineered from top-grade 316L stainless steel. This stainless steel adapter is perfect for non-condensing applications and works seamlessly as a chimney shaft liner in boilers, ovens, and ventilation systems. Enhance your installation with this robust, CE marked, and EN 1856-1 compliant product, trusted by industry professionals across the UK.
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£383.81
with free delivery
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At a Glance
Made from high-grade 316L stainless steel Modular push-fit jointing system with locking band Complies with EN 1856-1 and CE marked Suitable for non-condensing applications in boilers, ovens, and ventilation systems Versatile diameters from Ø125 to Ø350
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Please Note: All dimensions refer to the internal diameter of flues.
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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:
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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.
Introducing the Tee 90° reduced connection Ø 125 - Ø 350, an essential component of the SWPro modular single wall flue system. Crafted from superior 316L grade stainless steel, this product excels in both high and low temperature environments, catering to non-condensing and condensing applications. Suitable for use in various systems including boilers, ovens, and ventilation setups, this flue component also serves adeptly as a chimney shaft liner.Constructed with meticulous quality, the SWPro system features high-pressure sealing gaskets (P1/H1) and modular assemblies.
With multiple diameter options ranging from Ø 125 to Ø 350, you can find the perfect fit for your project needs. Complying with the stringent EN 1856-1 standards, it is both CE marked and reliably safe for combustible materials when installed with a 50mm clearance. Featuring an easy push-fit jointing system secured with a locking band, this product ensures a secure and straightforward installation process.
• Ensure that the Tee 90° Reduced Connection is used only in non-condensing system configurations.
• Always maintain a minimum clearance of 50mm from any combustible materials.
• Follow the modular push-fit procedure by firmly inserting components and securing with the provided locking band.
• Verify that joints are fully engaged to avoid air leakage and ensure system integrity.
• For best performance, consider using the recommended accessories designed for streamlined integration with the SWPro system.
This flue component is constructed from high-grade 316L stainless steel, ensuring durability and longevity.
No, the 90° reducing tee is not suitable for condensing systems.
This tee is available in diameters ranging from Ø 125 to Ø 350, providing versatility for various applications.
Yes, the SWPro flue system is CE marked and complies with EN 1856-1 standards.
The SWPro system uses a modular push-fit jointing system secured with a locking band, ensuring a secure connection in both P1 and H1 installations.
Yes, this tee is designed for use in both high and low-temperature environments, catering to diverse application needs.
A 50mm clearance is required from the outside of the flue to any combustible materials, such as wood or plasterboard.
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.
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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.
Read our review in our Tee 90° reduced connection Ø 125 - Ø 350 buyers guide
Comprehensive Buyers Guide for the Tee 90° Reduced Connection Ø125 - Ø350
When it comes to creating a reliable and efficient flue system, every component must deliver optimum performance and longevity. The Tee 90° Reduced Connection Ø125 - Ø350 is designed specifically for cascade header systems, bringing together high-quality materials and innovative design for a secure, durable solution.
Understanding the Product
Constructed from 316L stainless steel, this flue component is not just about functionality; it promises resilience in both high and low temperature environments. The modular push-fit system is engineered to be simple to install yet robust enough to withstand the rigours of daily usage. With diameters ranging from Ø125 to Ø350, this tee fits seamlessly into a variety of non-condensing applications, ensuring that your installation meets all regulatory standards such as EN 1856-1 and carries the CE mark.
Key Advantages
Durability and Safety: With a construction built to withstand extreme conditions, the Tee 90° Reduced Connection offers long-term performance with minimal maintenance. Its ability to handle high pressures combined with high-temperature performance ensures you have a component that will last through the years. The mandatory 50mm clearance from combustible materials ensures that your flue system remains safe and compliant with industry standards.
Ease of Installation: The push-fit jointing system means that even installers with minimal experience can achieve a secure, leak-proof connection. This not only streamlines the installation process but also reduces the potential for errors, saving on time and costs.
Installation Tips
Before proceeding with the installation, carefully review the manufacturer’s guidelines. Ensure that you are working in a well-ventilated area and have all the necessary tools at hand. The following tips will assist you in a successful setup:
1. Double-check that the system is intended for non-condensing applications before beginning installation.
2. Always maintain a 50mm clearance from any combustible material to comply with safety regulations.
3. Follow a step-by-step approach: start by aligning all modular pieces, press them firmly into place, and secure with the locking band.
4. Inspect each joint carefully to verify that the connection is tight and securely sealed.
Optional Accessories and Enhancements
While the Tee 90° Reduced Connection is engineered to excellence on its own, there may be optional accessories available that can further enhance your flue system installation. Accessories such as additional sealing kits, extended chimney liners, and specialised mounting brackets can complement your setup. These accessories help to ensure that each component is perfectly matched to your system requirements, enabling professional-grade performance. We encourage you to explore our full range of flue system accessories for that perfect all-in-one solution.
Addressing Common Concerns
For many customers, questions about compatibility and long-term performance are paramount. Rest assured, the Tee 90° Reduced Connection is specifically designed for non-condensing environments. If you have a condensing system, alternative products within our flue system range are available to meet those needs. Similarly, the high-quality construction ensures that there is minimal risk of failure even under the stress of fluctuating temperatures and pressures.
Why Choose This Product?
The combination of superior materials, a user-friendly design, and compliance with strict regulatory standards makes this product a top choice for professionals and DIY enthusiasts alike. National Flues stands behind the quality and performance of this product with a 10-year warranty, offering you added peace of mind. Its versatility in diameter options means that you can easily integrate this tee into your existing setup regardless of your specific requirements. Moreover, its robust design minimizes installation time and ensures that you spend more time enjoying the benefits of a high-performing flue system.
Final Thoughts
In choosing the Tee 90° Reduced Connection Ø125 - Ø350, you are investing in a solution that marries durability with cutting-edge design. Its high-grade construction and modular assembly provide a hassle-free experience for installers and a dependable performance for the years ahead. Should you need additional accessories or components to complete your flue system, do not hesitate to explore our extensive range of options available on our website. Every detail, from the precision engineered joints to the rigorous safety features, is designed with your satisfaction in mind.
This guide has aimed to provide you with all the necessary insights to ensure that your selection meets all functional and safety requirements for your flue system installation. With a focus on quality and performance, the Tee 90° Reduced Connection stands as a testament to engineering excellence, helping you to create an installation that is both efficient and durable. The clear installation instructions and the encouragement to explore additional accessories mean that you are never left in the dark about how to optimise your setup. Investing in a high-quality component now means fewer complications and a more secure system in the long term.
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Secure your Tee 90° Reduced Connection today for reliable performance.
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