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:
Tee 90° - Ø 550 (3-550-035)
National Flues proudly presents the Tee 90° - Ø 550, a premium commercial flue component engineered for both efficiency and safety. As a robust addition to any flue system—whether for boilers, ovens, or ventilation applications—this CE marked, 316L stainless steel solution is designed to meet the rigorous demands of both non-condensing and condensing systems. Optimise your chimney shaft liner setup with this essential, versatile connector that also offers the benefit of an inspection access point when paired with the Tee Cap. Enhance your system with reliable quality from a leading UK supplier.
Out of Stock – Pre-order Now
£788.41
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 CE marked in accordance with EN 1856-1 standards Modular push-fit joint system secured by a locking band Versatile design for use with boilers, ovens, ventilation systems, and chimney shaft liners Suitable for both non-condensing and condensing applications Provides a secure 90° connection and doubles as an access/inspection point with a Tee Cap
×
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 Tee 90° - Ø 550 is an essential modular flue component from our comprehensive SWPro range, made from premium 316L stainless steel. Perfect for a variety of high and low-temperature applications, it accommodates both non-condensing and condensing systems with flue gases in positive and negative pressure. Ideal for use with boilers, ovens, ventilation systems, and chimney shaft liners, this CE-marked modular flue system is built for reliability and longevity.
Each piece features a push-fit joint secured by a locking band, and for P1 and H1 installations, jointing gaskets must be used on every joint to ensure safety and efficiency. Remember to maintain a 50mm clearance from any combustible materials during installation.
SKU: 3-550-035
Technical Specifications
SKU
3-550-035
Flue Diameter
Ø 550
Material
316L Stainless Steel
System
SWPro
Approvals
CE
Installation Standard
EN 1856-1
Suitable Fuels
Gas, Oil
Clearance
50mm from combustibles
Warranty
10 Years
Jointing System
Push-fit with locking band (jointing gaskets required for P1 and H1)
• Ensure that each push-fit joint is securely fastened using the provided locking band.
• For P1 and H1 installations, always fit jointing gaskets on every connection to maintain safety and system integrity.
• Maintain a minimum clearance of 50mm from any combustible materials, such as wood or plasterboard, during installation.
• Follow all manufacturer’s guidelines carefully and verify measurements prior to installation to avoid costly rework.
• When using the Tee 90° as an access point, ensure proper sealing after inspection to prevent system leaks.
The Tee 90° - Ø 550 is constructed from high-grade 316L stainless steel, ensuring durability and resistance to high temperatures and corrosive environments.
Yes, the Tee 90° - Ø 550 is CE marked and complies with EN 1856-1 standards.
This flue component is perfect for use with boilers, ovens, ventilation systems, and even as a chimney shaft liner. It supports both non-condensing and condensing applications.
It features a modular, push-fit jointing system that is secured using a locking band. For P1 and H1 installations, jointing gaskets must be fitted on every joint.
Ensure a minimum distance of 50mm from the outside of the flue to any combustible material, such as wood or plasterboard.
The Tee 90° - Ø 550 is available in various thicknesses depending on the flue diameter, offering flexibility and suitability for different installation needs.
Yes, when paired with a Tee Cap, the Tee 90° - Ø 550 can serve as an access or inspection point.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Tuesday, May 13th. 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 Tee 90° - Ø 550 buyers guide
Comprehensive Buyers Guide for the Tee 90° - Ø 550
The Tee 90° - Ø 550 is more than just a flue component; it is a vital part of your heating and ventilation system that promises durability, efficiency, and safety. In this guide, we explore every aspect of this product, providing you with all the insights needed to make a well-informed decision. Whether you are a trade professional or a retail customer, this guide is designed to address your concerns and questions while highlighting the features that set this product apart.
Product Overview
Designed from high-quality 316L stainless steel, the Tee 90° - Ø 550 is engineered to withstand harsh operating conditions while maintaining peak performance. Its design complies with the EN 1856-1 standards, ensuring that it meets the strict requirements of modern flue systems. The modular push-fit joint system with a securing locking band means that installation is straightforward, reducing both time and cost. Additionally, the option to use jointing gaskets in P1 and H1 applications guarantees that your installation remains safe, effective, and efficient over the long term.
Key Features and Their Benefits
- Premium Material Construction: The use of 316L stainless steel not only offers resistance to corrosion and high temperatures but also ensures a long service life. This means fewer replacements and a more robust system overall.
- CE Marked Quality: With CE marking in compliance with EN 1856-1, the product adheres to stringent European standards, providing peace of mind regarding safety and legal compliance.
- Innovative Modular Design: The modular push-fit system allows for easy assembly and maintenance, catering to both initial installations and subsequent modifications. This ease of use is ideal for installers who value time efficiency and reliability on-site.
- Versatility Across Applications: Suitable for boilers, ovens, ventilation systems, and even as a chimney shaft liner, this product serves multiple roles in both residential and commercial settings. Its adaptability ensures that it can be integrated into almost any flue system configuration.
- Inspection Access Capability: When used in conjunction with a Tee Cap, the Tee 90° can serve as an inspection point, making it easier to perform routine maintenance checks without major system disassembly.
Addressing Common Concerns
Installation Complexity:
While the product is designed for modular assembly, some users may have concerns about installation. Detailed instructions provided by National Flues ensure that even those with limited experience can achieve a secure and compliant installation. Optional accessories, such as specialized jointing gaskets and support brackets, are available to simplify the process further.
Safety and Compliance:
Adherence to safety standards is paramount in flue systems. The Tee 90° - Ø 550 comes with clear guidelines for maintaining the required 50mm clearance from any combustible materials. This not only protects the system but also minimizes risk in the event of high temperatures or unexpected fluctuations in pressure.
Versatility vs. Specialisation:
Another common question revolves around the suitability of the Tee 90° for different flue system configurations. Whether you are working with a non-condensing or a condensing system, this product delivers reliable performance. Its dual functionality as both a connection point and an inspection access point means fewer components are needed, reducing complexity and potential points of failure.
Installation and Aftercare
Installation of the Tee 90° - Ø 550 should be approached with careful attention to detail. Follow these steps for optimal results:
1. Preparation: Verify that all components, including optional accessories, are available prior to starting the installation. Ensure that any customised fittings or jointing gaskets are at hand for P1 or H1 installations.
2. Assembly: Fit the push-fit joints together, securing each with the provided locking band. Consistently check that the joints are fully engaged and that every connection is tight.
3. Clearance: Maintain a minimum of 50mm clearance from any combustible surface. This is critical to avoid fire hazards and ensure long-term stability.
4. Final Check: Once installed, inspect all joints and connections for signs of inadequate sealing. If using the Tee 90° as an inspection point, ensure that provisions for access are correctly implemented.
Aftercare: Regular maintenance and periodic inspections can extend the lifespan of your flue system. Ensure that any signs of wear or damage are addressed promptly, and replace any components showing signs of deterioration.
Why Choose National Flues?
At National Flues, we are committed to providing not just high-quality products but also the support and guidance you need to make optimal choices for your heating and ventilation needs. Our extensive product range and reliable nationwide delivery system ensure that you receive your products on time, without compromising on quality. We offer competitive pricing and secure online payments, making your purchasing experience as smooth as possible.
Final Thoughts:
The Tee 90° - Ø 550 is an investment in safety, efficiency, and long-term value. Its robust construction, ease of installation, and versatile application make it a clear choice for anyone responsible for maintaining a safe and efficient flue system. We encourage you to explore our range of optional accessories that complement this product, further customising your installation to meet precise project requirements.
Every detail, from its CE-marked design to its user-friendly installation process, has been carefully considered to ensure that you have a product that stands the test of time. This comprehensive guide is designed to answer your questions and remove any barriers to making an informed decision.
If you value quality, durability, and a hassle-free installation, then the Tee 90° - Ø 550 is the right choice. With National Flues, you get a product that not only meets but exceeds industry standards, allowing you to focus on what matters most – creating safe, efficient, and reliable flue systems.
Buy now or call 01670 206 999.
Secure this high-performance modular flue solution today and transform the efficiency of your installation.
×
Select Product Options
×
Product added
Would you like to keep shopping or head to checkout?
