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Tee 90° reduced connection Ø 125 - Ø 350 (3-350-R90-125)

National Flues presents the Tee 90° Reduced Connection Ø125 - Ø350, a premium flue system component engineered from top-grade 316L stainless steel. This stainless steel adapter is perfect for non-condensing applications and works seamlessly as a chimney shaft liner in boilers, ovens, and ventilation systems. Enhance your installation with this robust, CE marked, and EN 1856-1 compliant product, trusted by industry professionals across the UK.
Now only £383.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.

 

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At a Glance

    Made from high-grade 316L stainless steel

    Modular push-fit jointing system with locking band

    Complies with EN 1856-1 and CE marked

    Suitable for non-condensing applications in boilers, ovens, and ventilation systems

    Versatile diameters from Ø125 to Ø350

Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 22nd. This is based on current lead times for this product. 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 on 01670 206 999. 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.

Best 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.

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]

Introducing the Tee 90° reduced connection Ø 125 - Ø 350, an essential component of the SWPro modular single wall flue system. Crafted from superior 316L grade stainless steel, this product excels in both high and low temperature environments, catering to non-condensing and condensing applications. Suitable for use in various systems including boilers, ovens, and ventilation setups, this flue component also serves adeptly as a chimney shaft liner.Constructed with meticulous quality, the SWPro system features high-pressure sealing gaskets (P1/H1) and modular assemblies.

With multiple diameter options ranging from Ø 125 to Ø 350, you can find the perfect fit for your project needs. Complying with the stringent EN 1856-1 standards, it is both CE marked and reliably safe for combustible materials when installed with a 50mm clearance. Featuring an easy push-fit jointing system secured with a locking band, this product ensures a secure and straightforward installation process.

SKU: 3-350-R90-125

Technical Specifications
Material316L Stainless Steel
Suitable ForNon-condensing applications (boilers, ovens, ventilation, chimney shaft liners)
Joint TypeModular push-fit joint with locking band
Diameter Rangeu00d8125 to u00d8350
ComplianceEN 1856-1, CE Marked
Clearance50mm from combustible materials
Warranty10 Years
FuelsGas, Oil
• Ensure that the Tee 90° Reduced Connection is used only in non-condensing system configurations. • Always maintain a minimum clearance of 50mm from any combustible materials. • Follow the modular push-fit procedure by firmly inserting components and securing with the provided locking band. • Verify that joints are fully engaged to avoid air leakage and ensure system integrity. • For best performance, consider using the recommended accessories designed for streamlined integration with the SWPro system.

This flue component is constructed from high-grade 316L stainless steel, ensuring durability and longevity.

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

This tee is available in diameters ranging from Ø 125 to Ø 350, providing versatility for various applications.

Yes, the SWPro flue system is CE marked and complies with EN 1856-1 standards.

The SWPro system uses a modular push-fit jointing system secured with a locking band, ensuring a secure connection in both P1 and H1 installations.

Yes, this tee is designed for use in both high and low-temperature environments, catering to diverse application needs.

A 50mm clearance is required from the outside of the flue to any combustible materials, such as wood or plasterboard.

What our experts say!

"At National Flues, we are proud to offer the Tee 90° Reduced Connection Ø 125 - Ø 350, a top-tier product for your flue system needs. With reliable delivery nationwide and competitive prices for both retail and trade customers, it’s a choice you can trust."

The Tee 90° Reduced Connection Ø 125 - Ø 350 is used in cascade header systems within the SWPro flue setup, ensuring optimal performance in non-condensing applications.

National Flues is a leading supplier of fireplaces and flues throughout the UK, catering to both retail and trade customers. Renowned for competitive pricing and reliable delivery, we provide top-quality products and services you can trust.

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