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Tee 93° reduced connection Ø 125 - Ø 300 (3-300-R93-125)

National Flues presents the Tee 93° Reduced Connection Ø 125 - Ø 300, a premium flue system component designed for cascade header systems. Crafted from robust 316L stainless steel, this accessory is essential for efficient condensate management and reliable performance in various applications including boilers, ovens, and ventilation systems.
The price you pay today £193.99
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At a Glance

    High quality 316L stainless steel construction
    CE marked and EN 1856-1 compliant
    Designed for cascade header systems with a precise 3° fall
    Versatile for both condensing and non-condensing applications
    Easy, secure push-fit joint system with locking band
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, June 17th. 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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Have Questions?
Phone: 01670 206999
Email: [email protected]

The Tee 93° reduced connection Ø 125 - Ø 300 is an essential component within the SWPro modular single-wall flue system. Constructed from durable 316L grade stainless steel with high-pressure sealing gaskets (P1/H1), this component seamlessly integrates reliability and performance. SWPro is CE marked, reflecting its compliance with rigorous industry standards (EN 1856-1).

It accommodates various applications ranging from boilers and ovens to ventilation systems and chimney shaft liners. Ensuring optimal safety and efficiency, this system suits both high and low-temperature environments, and supports non-condensing and condensing applications with flue gasses in positive and negative pressures. Installation is straightforward with the push-fit joint system, lockable with a band, and maintains safe distances from combustible materials.

SKU: 3-300-R93-125

Technical Specifications
Material316L Stainless Steel
SystemSWPro
ApprovalsCE
Distance To Combustibles50mm
FuelsGas, Oil
Warranty10 Years
DesignationEN 1856-1: T200 H1 W Vm L50040 O(50) / EN 1856-1: T200 H1 W Vm L50050 O(50)
• Ensure proper alignment using the push-fit joint system. • Secure each joint with a locking band to prevent accidental dislodgement. • Fit high-pressure sealing gaskets on every joint for secure P1/H1 installations. • Maintain a minimum clearance of 50mm from combustible materials throughout installation. • Follow local building regulations and the manufacturer’s installation guidelines meticulously.

This product is made from high-grade 316L stainless steel, known for its strength and resistance to corrosion.

Yes, it is specifically designed for condensing systems, providing a 3-degree fall on the header which is ideal for managing condensates.

Absolutely. The SWPro flue system is versatile enough to handle a wide range of temperatures, accommodating both high and low temperature environments.

The Tee 93° Reduced Connection Ø 125 - Ø 300 is CE marked under the designation numbers EN 1856-1: T200 H1 W Vm L50040 O(50) and EN 1856-1: T200 H1 W Vm L50050 O(50), depending on the diameter.

Installation involves a simple push-fit joint system, secured with a locking band. Ensure that jointing gaskets are fitted on every joint in P1 and H1 installations and keep a safe distance of 50mm from combustible materials.

Yes, the SWPro system is CE marked, meaning it complies with European standards and is recognized internationally for its high quality and safety.

The flue component must be kept 50mm away from any combustible materials like wood or plasterboard during installation to ensure safety.

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