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Tee 90° reduced connection Ø 80 - Ø 400 (3-400-R90-080)

National Flues presents the Tee 90° reduced connection Ø80 - Ø400 – a state-of-the-art flue component engineered from premium 316L stainless steel. Ideal for diverse applications from boilers and ovens to ventilation setups, this tee connection is a critical part of the SWPro modular single wall flue system. Designed for efficiency and compliance, it meets stringent EN 1856-1 standards and is CE marked, giving you the confidence to install within both residential and commercial settings. Whether you are upgrading an existing system or embarking on a new installation, this tee 90° reduced connection is a versatile, reliable choice for ensuring optimum performance.
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£318.99
with free delivery Give us a call if you find it cheaper and we'll try to price match.

 

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At a Glance

  • Made from high-grade 316L stainless steel ensuring long-lasting durability
  • Compatible with flue diameters from Ø80 to Ø400, offering unparalleled versatility
  • CE marked and compliant with EN 1856-1 standards for dependable safety
  • Features an innovative push-fit jointing system with a secure Locking Band
  • Designed for seamless integration into boilers, ovens, ventilation systems, and chimney shaft liners

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).

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

The Tee 90° reduced connection Ø 80 - Ø 400 from National Flues is an essential part of our SWPro modular single wall flue system. Crafted from high-grade 316L stainless steel, this tee is designed for durability and reliable performance. It accommodates flues with diameters ranging from Ø 80mm to Ø 400mm, making it highly versatile.

Thanks to the push-fit jointing system and securing Locking Band, installation is straightforward. For P1 and H1 installations, jointing gaskets are necessary for every connection. Ensure a minimum distance of 50mm from any combustible materials during setup.

With CE marking and compliance with EN 1856-1 standards, this product guarantees safety and efficiency in a wide range of applications, including boilers, ovens, ventilation systems, and as a chimney shaft liner.

SKU: 3-400-R90-080

Technical Specifications
Material316L Stainless Steel
Flue Diameter Rangeu00d880 to u00d8400
ComplianceCE Marked, EN 1856-1
Installation MethodPush-fit jointing system with securing Locking Band
Required AccessoriesJointing gaskets for P1 and H1 installations
Minimum Clearance50mm from combustible materials
ApplicationsBoilers, ovens, ventilation systems, chimney shaft liners
• Ensure the tee is positioned with a minimum clearance of 50mm from any combustible surfaces to prevent fire risks. • For secure fittings, use the push-fit jointing system in conjunction with the Locking Band. • Remember that for P1 and H1 installations, a jointing gasket must be installed at every connection to ensure a tight seal and optimal performance. • It is advisable to verify all connections after assembly to ensure stability and compliance with installation guidelines. • Optional accessories such as additional jointing gaskets and Locking Bands can be sourced separately to complement this installation if not included in your package.

The Tee 90° reduced connection is made from high-grade 316L stainless steel, known for its durability and resistance to corrosion.

This tee is versatile and can be used for boilers, ovens, ventilation systems, and as a chimney shaft liner.

No, the Tee 90° reduced connection is not suitable for condensing systems.

The tee supports flue diameters ranging from Ø 80mm to Ø 400mm.

Yes, it is CE marked and complies with EN 1856-1 standards.

It features a push-fit jointing system secured with a Locking Band. For P1 and H1 installations, a jointing gasket must be fitted on every joint.

Maintain a minimum distance of 50mm from the outside of the flue to any combustible materials like wood or plasterboard.
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 Tee 90° reduced connection Ø 80 - Ø 400 buyers guide

Secure your high-quality tee now for flawless fire safety installations.

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