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Tee 90° - Ø 80 (3-80-035)

Discover the unparalleled quality of the Tee 90° - Ø80 from National Flues. This high-performance stainless steel flue connector is engineered for both residential and commercial applications, ensuring seamless 90° transitions in your flue system. CE marked and compliant with EN 1856-1 standards, it delivers exceptional durability and safety. Enhance your setup further with optional accessories designed to complement and extend the functionality of your system.
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At a Glance

    90° precision connection for efficient routing
    Constructed from 316L stainless steel for superior durability
    Complies with EN 1856-1 and CE standards ensuring safety
    Suitable for both high and low temperature, condensing and non-condensing applications
    Push-fit joint system secured with a locking band for quick and secure installation
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, June 9th. 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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Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

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

The Tee 90° - Ø 80 is a high-performance component within the SWPro modular single-wall flue system, ideal for both commercial and residential installations. Crafted from 316L grade stainless steel, this flue connector delivers exceptional durability and heat resistance. It accommodates both high and low temperatures as well as condensing and non-condensing applications, making it versatile for use with boilers, ovens, ventilation systems, and as a chimney shaft liner.

This item boasts CE marking and conforms to EN 1856-1 standards, ensuring top-notch quality and safety. The design includes a high-pressure sealing gasket (P1/H1) and a convenient push-fit jointing system secured with a locking band. For installations involving P1 and H1 classifications, joint gaskets are recommended for each connection, and it's advised to keep a minimum distance of 50mm from any combustible materials.

SKU: 3-80-035

Technical Specifications
Material316L Stainless Steel (Inner); N/A (Outer)
StandardsEN 1856-1, CE Marked
FuelsGas, Oil
Temperature RangeSuitable for high & low temperatures; condensing & non-condensing applications
SealingHigh-pressure sealing gasket (P1/H1) included
Jointing SystemPush-fit joint secured with a locking band
Installation ClearanceMinimum 50mm from combustible materials
Warranty10 Years
For installation, ensure each connection is fitted with appropriate jointing gaskets, particularly for P1 and H1 classifications. Maintain a minimum clearance of 50mm from combustible materials such as wood or plasterboard. Follow all manufacturer guidelines and local building regulations. Optional accessories like Tee Caps can be integrated to serve as access or inspection points, enhancing both safety and system maintenance. Refer to our comprehensive installation manual available on our website for detailed instructions.

The Tee 90° - Ø 80 is designed to create a 90-degree connection in flue systems, and can also be used as an inspection or access point when combined with a Tee cap.

This flue connector is constructed from high-grade 316L stainless steel, known for its durability and heat resistance.

Yes, the Tee 90° - Ø 80 is suitable for both high and low-temperature applications, including condensing and non-condensing environments.

Absolutely, this product is CE marked and adheres to EN 1856-1 standards, ensuring high quality and safety.

The Tee 90° - Ø 80 features a push-fit jointing system that is secured with a locking band. For P1 and H1 installations, jointing gaskets should be applied at each connection.

When installing this flue connector, it's important to maintain a 50mm clearance from any combustible materials, such as wood or plasterboard.

Yes, this versatile component is suitable for a wide range of applications, including residential and commercial flue systems.

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