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Tee 90° reduced connection Ø 175 - Ø 250 (3-250-R90-175)

National Flues offers the Tee 90° Reduced Connection Ø 175 - Ø 250, a premium component designed for robust and reliable installation in commercial heating and ventilation systems. Engineered from high-grade 316L stainless steel and featuring a user-friendly push-fit jointing system, this flue connection meets the highest standards of safety and efficiency. Ideal for cascade header setups, this product is a must-have for professionals seeking durability and performance.
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At a Glance

    CE Marked to EN 1856-1

    Manufactured in high-grade 316L stainless steel

    Designed for cascade header systems in commercial applications

    Push-fit jointing system with high-pressure P1/H1 sealing gaskets

    Maintains required 50mm distance from combustible materials

    Suitable for high and low temperature non-condensing applications

Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 8th. 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]

The Tee 90° reduced connection Ø 175 - Ø 250 is part of the SWPro modular single wall flue system, expertly crafted from high-grade 316L stainless steel. This system is equipped with high-pressure sealing gaskets P1/H1, making it suitable for both high and low temperature, as well as non-condensing and condensing applications. Ideal for a myriad of setups including boilers, ovens, ventilation systems, and chimney shaft liners, the SWPro system ensures maximum efficiency and safety.

Its CE-marked construction adheres to EN 1856-1 standards, ensuring top-notch quality and reliability. The intuitive push-fit jointing system, secured by a Locking Band, simplifies installation while maintaining a safe 50mm distance from combustible materials.

SKU: 3-250-R90-175

Technical Specifications
Material316L Stainless Steel
Diameter Rangeu00d8 175 - u00d8 250
StandardsCE Marked (EN 1856-1)
ApplicationNon-condensing systems (boilers, ovens, ventilation, chimney liners)
Seal SystemPush-fit jointing with P1/H1 high-pressure gaskets
Minimum Distance To Combustibles50mm
Warranty10 Years
• Ensure the push-fit jointing system is properly engaged using the Locking Band for a secure fit. • Fit high-pressure sealing gaskets (P1/H1) on every joint to adhere to installation specifications. • Maintain a strict 50mm clearance from any combustible materials to meet safety standards. • Follow the EN 1856-1 guidelines and installation manual provided with the product. • For cascade header systems, verify compatibility with other components before commencing installation. • If uncertain, consult a professional installer to ensure compliance with local codes and regulations.

No, this product is not suitable for condensing systems. It is designed for non-condensing applications.

The Tee 90° Reduced Connection is made of high-grade 316L stainless steel to ensure durability and longevity.

This tee uses a push-fit jointing system secured with a Locking Band, and jointing gaskets must be fitted on every joint in P1 and H1 installations. Ensure a 50mm distance from flue to any combustible material.

The Tee 90° Reduced Connection Ø 175 - Ø 250 meets CE marking and adheres to the EN 1856-1 standards.

Yes, the SWPro system, including this tee, is suitable for both high and low temperature applications.

Yes, it is ideal for use in boilers, ovens, ventilation systems, and as a chimney shaft liner.

This tee accommodates diameters from Ø 175 to Ø 250.

What our experts say!

"At National Flues, we highly recommend the Tee 90° reduced connection Ø 175 - Ø 250 for its versatility and robust construction. Perfect for trade and retail customers, we offer reliable nationwide delivery and competitive pricing. 9.5/10"

The Tee 90° Reduced Connection Ø 175 - Ø 250 is designed for use in cascade header systems and other commercial heating and ventilation applications.

National Flues is a leading supplier of high-quality fireplaces and flues in the UK, catering to both trade and retail customers. Renowned for competitive pricing and reliable nationwide delivery, National Flues offers secure online payments and trade accounts for businesses.

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