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Elbow 90° - Ø 650 (3-650-030)

Discover the superior performance of the Elbow 90° - Ø 650, a key component of the SWPro modular flue system from National Flues. Made entirely from 316L stainless steel, this flue elbow is designed for boilers, ovens, and ventilation systems, ensuring robust, reliable operation in both commercial and residential installations. Enhance your setup by exploring complementary accessories that perfectly match our top-quality installation components.
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At a Glance

  • Constructed from high-grade 316L stainless steel for exceptional durability and corrosion resistance
  • Designed for both condensing and non-condensing applications
  • Features a quick push-fit jointing system with secure locking band
  • CE marked and compliant with EN 1856-1 standards for safety and performance
  • Versatile component ideal for boilers, ovens, ventilation systems, and chimney shaft liners
  • Engineered to perform reliably in both high and low temperature environments
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, August 12th. 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 Elbow 90° - Ø 650 is a versatile and essential component of the SWPro modular flue system. Constructed with high-grade 316L stainless steel, this elbow ensures durability and resistance to corrosion, suitable for a variety of applications including boilers, ovens, ventilation systems, and chimney shaft liners. The SWPro system is designed for ease of installation with a push-fit jointing system and secured by a locking band.

Capable of handling high and low temperatures, non-condensing and condensing applications, as well as flue gases in positive and negative pressure, it provides unparalleled flexibility. The SWPro system is CE marked and complies with EN 1856-1 standards, making it a reliable choice for both safety and performance. Whether you are setting up a new heating system or upgrading an existing one, the Elbow 90° - Ø 650 is engineered to meet your needs.

SKU: 3-650-030

Technical Specifications
ProductElbow 90u00b0 - u00d8 650
Diameter650 mm
Material316L Stainless Steel
ApplicationsBoilers, Ovens, Ventilation Systems, Chimney Shaft Liners
SystemSWPro Modular Flue System
ComplianceEN 1856-1, CE Marked
SealingHigh-pressure sealing gasket (P1/H1)
Temperature RangeHigh and Low temperatures; suitable for both condensing and non-condensing applications
InstallationPush-fit joint with locking band
Warranty10 Years
Before beginning the installation of the Elbow 90° - Ø 650, ensure that all jointing gaskets are correctly placed for both P1 and H1 configurations. Follow the comprehensive installation manual provided with the SWPro system, which includes detailed steps to secure each joint using the locking band. It is important to check compatibility with any optional accessories, such as additional gaskets, adapters, or support brackets, to improve the overall integrity of the installation. Always verify that the system components are clean and free from debris before assembly. For safety, adhere strictly to the provided guidelines and seek professional assistance when necessary.

The diameter of the Elbow 90° - Ø 650 is 650mm (26 inches).

This elbow is made from high-grade 316L stainless steel.

Yes, the Elbow 90° - Ø 650 is suitable for both condensing and non-condensing applications.

Yes, it includes a high-pressure sealing gasket rated P1/H1.

The SWPro system complies with the EN 1856-1 standards and is CE marked with the designation numbers T200 H1 W Vm L50040 O(50) for Ø 80 to Ø 200 and T200 H1 W Vm L50050 O(50) for Ø 250 to Ø 400.

The elbow features a modular design with a push-fit jointing system, secured using a locking band. Jointing gaskets must be fitted on every joint in P1 and H1 installations.

The Elbow 90° - Ø 650 is suitable for a wide range of applications including boilers, ovens, ventilation systems, and as a chimney shaft liner.

What our experts say!

"The Elbow 90° - Ø 650 is a top-notch component of the SWPro modular flue system. Made from high-grade 316L stainless steel, it offers robust performance and reliability. Perfect for a range of commercial and residential applications. Plus, with our unbeatable prices and reliable nationwide delivery, it’s a smart choice for both retail and trade customers."

The Elbow 90° - Ø 650 is designed to redirect flue gases efficiently within heating and ventilation systems, enhancing performance and safety.

National Flues is a leading supplier of fireplaces and flues, serving both retail and trade customers across the UK. Known for competitive pricing and reliable delivery, National Flues ensures secure online payments and trade accounts for professional partners.

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