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Tee 90° reduced connection Ø 80 - Ø 100 (3-100-R90-080)

National Flues presents the Tee 90° reduced connection Ø 80 - Ø 100, a key component of the renowned SWPro stainless steel flue system. Ideal for boilers, ovens, and ventilation systems, this high-quality connector ensures a robust and safe flue layout. Enhance your installation with our premium accessories, designed to complete your setup seamlessly.
The price you pay today £85.99
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At a Glance

    90° Tee design optimises flue alignment
    Constructed from 316L Stainless Steel for superior durability
    CE Marked and EN 1856-1 compliant for enhanced safety
    High-pressure sealing gasket (P1/H1) ensures leak-free performance
    Push-fit jointing system with locking bands simplifies installation
    Compatible with boilers, ovens, ventilation systems, and chimney shafts
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, June 24th. 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° reduced connection Ø 80 - Ø 100 is a high-quality component of the modular SWPro single wall flue system. Crafted from 316L grade stainless steel, it boasts exceptional durability and resilience against high and low-temperature flue gases. The SWPro system is CE marked and suitable for various applications including boilers, ovens, ventilation systems, and chimney shafts.

Its robust construction is complemented by a high-pressure sealing gasket (P1/H1), ensuring performance in both positive and negative pressure environments, and in both condensing and non-condensing scenarios. Installation is made simple with its push-fit jointing system and locking bands. Compliance with EN 1856-1 standards underscores its quality and safety.

SKU: 3-100-R90-080

Technical Specifications
Material316L Stainless Steel
Connection Type90u00b0 Reduced Connection
Diameter Rangeu00d8 80 - u00d8 100
Pressure SealingP1/H1
StandardsEN 1856-1, CE Marked
Distance To Combustibles50mm
Warranty10 Years
Fuel CompatibilityGas, Oil
Installation Guidelines: • Use the push-fit jointing system and secure with locking bands to ensure a firm connection. • For both P1 and H1 configurations, verify that additional jointing gaskets are in place if required. • Always maintain a minimum distance of 50mm from any combustible materials such as wood or plasterboard to meet safety standards. • Ensure alignment is correct to avoid unnecessary stress on the flue system during operation. • If in doubt, consult a certified installer to verify that all components meet installation requirements.

It is constructed from high-grade 316L stainless steel, ensuring durability and resistance to corrosion.

No, the Tee 90° reduced connection Ø 80 - Ø 100 is not suitable for condensing systems.

This product is ideal for use with boilers, ovens, and as a vent in HVAC systems, as well as chimney shaft liners.

The installation involves a push-fit jointing system secured with locking bands. Additional jointing gaskets are required for P1 and H1 installations.

It complies with the EN 1856-1 standards and is CE marked.

Ensure that there is a minimum distance of 50mm from the flue's outside to any combustible material like wood or plasterboard.

Yes, the Tee 90° reduced connection Ø 80 - Ø 100 is suitable for use in ventilation systems.

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