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Tee 90° reduced connection Ø 100 - Ø 400 (3-400-R90-100)

Discover the Tee 90° reduced connection Ø 100 - Ø 400 from National Flues—a prime component engineered for commercial and industrial flue systems. Ideal for boilers, ovens, and a broad variety of applications, this high-quality tee is synonymous with reliability and engineered precision. National Flues offers competitive prices and exceptional service for flues, piping solutions, and ventilation systems, making it a top choice for professionals across the UK.
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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

  • Modular design compatible with cascade header systems
  • Constructed of high-grade 316L stainless steel
  • CE marked and compliant with EN 1856-1 standards
  • Accommodates flue sizes from Ø 100 to Ø 400
  • Easy push-fit jointing system secured by a locking band

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.

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

The Tee 90° reduced connection Ø 100 - Ø 400 is part of the versatile SWPro modular single wall flue system. Constructed from high-grade 316L stainless steel, it ensures durability and resistance to high temperatures, fitting sizes ranging from Ø 100 to Ø 400. The system is CE marked and meets stringent standards (EN 1856-1), making it suitable for a broad spectrum of applications such as boilers, ovens, and ventilation systems.

The push-fit jointing system, reinforced with a locking band, allows for easy installation. For P1 and H1 classified installations, jointing gaskets are required for every connection, maintaining a safe 50mm distance from any combustible materials.

SKU: 3-400-R90-100

Technical Specifications
Size Rangeu00d8 100 to u00d8 400
Material316L Stainless Steel
StandardsEN 1856-1, CE Marked
Jointing SystemPush-fit with locking band
Combustible Clearance50mm
Warranty10 Years
Suitable FuelsGas, Oil
Ensure that the push-fit jointing assembly is securely connected using the provided locking band. For P1 and H1 classified installations, jointing gaskets are mandatory at every connection to maintain the required 50mm clearance from combustible materials such as wood or plasterboard. It is advisable to carefully follow the installation instructions provided in the manual, and if in doubt, consult a professional installer to guarantee optimal performance and compliance with safety standards.

The 90° reduced connection tee is primarily used in cascade header systems and various commercial applications such as boilers, ovens, and ventilation systems.

The tee is made from high-grade 316L stainless steel, ensuring longevity and resistance to high temperatures.

No, the 90° reducing tee is not suitable for condensing systems.

The tee is compatible with flue sizes ranging from Ø 100 to Ø 400.

Yes, the tee is CE marked and meets the EN 1856-1 standards.

It uses a push-fit jointing system secured by a locking band. For P1 and H1 installations, jointing gaskets are needed at every connection.

A minimum distance of 50mm from any combustible materials like wood or plasterboard must be maintained.
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 100 - Ø 400 buyers guide

Enhance your flue system now with our resilient Tee 90° reduced connection and experience unmatched performance in your commercial installations.

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