Tee 90° reduced connection Ø 200 - Ø 350 (3-350-R90-200)
- 
    
    Fast deliveryWednesday, November 5th*
 - 
    
    Price matchWe’ll match like-for-like
 - 
    
    Secure checkoutCard· Google/Apple Pay· Klarna· Paypal
 
                Delivery Information* +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, November 5th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.
About National Flues Ltd +
We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.
At a Glance
- High grade 316L stainless steel construction
 - Integrated high-pressure P1/H1 sealing gasket
 - SWPro modular push-fit jointing system
 - Designed for high pressure, non-condensing applications
 - Ensures 50mm clearance from combustibles for safety
 
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: sales@nationalflues.com
                    
- Details
 - Specs
 - Install
 - FAQs
 
Our Tee 90° reduced connection Ø 200 - Ø 350 is engineered for excellence in commercial flue systems. Constructed from high grade 316L stainless steel, this tee fitting ensures durability and resilience. It features a high-pressure sealing gasket (P1/H1) making it ideal for both high and low temperature applications, whether non-condensing or condensing.
This versatile component is perfect for boilers, ovens, ventilation systems, and chimney shaft liners. The SWPro modular system allows for easy assembly with its push-fit jointing system, secured by a locking band. Jointing gaskets are essential for P1 and H1 installations, ensuring a safe and snug fit.
Remember to maintain a 50mm gap from any combustible materials to ensure safety.
SKU: 3-350-R90-200
| Technical Specifications | |
|---|---|
| Material | 316L Stainless Steel | 
| Connection Type | Tee 90° Reduced Connection | 
| Diameter Range | Ø200 - Ø350 | 
| Application | Boilers, ovens, ventilation systems, chimney shaft liners | 
| Gasket Type | P1/H1 High-pressure sealing | 
| Clearance To Combustibles | 50mm | 
| Standards | CE, EN 1856-1 | 
| Modular System | SWPro | 
| Warranty | 10 Years | 
What our experts say!
"Our Tee 90° Reduced Connection Ø 200 - Ø 350 is a versatile and essential component for any flue system. Suitable for various heating applications with high reliability and easy installation, this product is perfect for both retail and trade customers. Enjoy nationwide delivery and competitive pricing only at National Flues."
This Tee 90° Reduced Connection Ø 200 - Ø 350 is used in commercial flue systems for reducing the diameter within cascade header setups, suitable for both high and low temperature applications.
National Flues is a leading supplier of high-quality fireplaces and flues, catering to both retail and trade customers across the UK. Known for competitive pricing, reliable delivery, and secure online payments, National Flues offers a wide range of industry-leading products.