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Elbow 45° - Ø 700 (3-700-031)

National Flues presents the Elbow 45° - Ø 700, a premium flue system component designed for efficiency and longevity. Crafted from 316L Stainless Steel, this professional-grade elbow is perfect for both condensing and non-condensing applications, aligning with EN 1856-1 standards and fully CE marked. Enhance your commercial or residential flue installation today with a product engineered for reliable performance and ease of installation. Don't forget to check out our range of optional accessories to perfectly tailor your flue system.
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At a Glance

  • Constructed from high-grade 316L Stainless Steel for superior durability and corrosion resistance
  • Designed specifically for the SWPro modular single wall flue system
  • Suitable for both high and low temperature applications, including condensing and non-condensing systems
  • Fully compliant with EN 1856-1 standards and CE marked for safety
  • Engineered to handle flue gases in both positive and negative pressure environments
  • Features a simple push-fit jointing system secured by a locking band with required jointing gaskets
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, August 14th. 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 45° - Ø 700 is part of the SWPro modular single wall flue system, crafted from 316 grade stainless steel and fitted with a high-pressure sealing gasket (P1/H1). This universal flue system is suitable for both high and low temperature applications, including non-condensing and condensing environments, with flue gases in both positive and negative pressure. Ideal for a variety of applications such as boilers, ovens, ventilation systems, and as a chimney shaft liner, the SWPro system is noted for its reliability and versatility.

Each section is CE marked and adheres to the EN 1856-1 standards, ensuring quality and safety. The construction varies in thickness based on the flue diameter, making it robust and durable. Installation is simplified with a push-fit jointing system secured by a locking band, and for P1 and H1 installations, jointing gaskets must be fitted at every joint.

Maintain a safe distance of 50mm from the flue to any combustible materials during setup.

SKU: 3-700-031

Technical Specifications
Material316L Stainless Steel
StandardEN 1856-1
Diameter700mm
Angle45°
Installation TypePush-fit jointing with locking band
Pressure ToleranceHandles both positive and negative pressures
ApplicationSuitable for condensing and non-condensing systems
ApprovalCE marked
Combustible Clearance50mm
Warranty10 Years
When installing the Elbow 45° - Ø 700, begin by carefully reviewing the manufacturer’s specifications and guidelines. Use the push-fit jointing system and ensure that the locking band is securely fastened to maintain a leak-free assembly. For optimal performance in P1 and H1 installations, remember to fit jointing gaskets at every joint. It is critical to maintain a minimum clearance of 50mm from any combustible materials to adhere to safety regulations. Professional installation is recommended to guarantee that all components are properly aligned and secured, ensuring the safety and efficiency of your flue system.

The Elbow 45° - Ø 700 is constructed from high-grade 316L stainless steel for exceptional durability and resistance to high temperatures and corrosion.

The SWPro flue system is versatile and suitable for both high and low temperature applications, including non-condensing and condensing environments, making it ideal for boilers, ovens, ventilation systems, and as a chimney shaft liner.

Yes, the Elbow 45° - Ø 700 is CE marked and complies with EN 1856-1 standards for safety and quality.

Installation of the SWPro system is straightforward with a modular push-fit jointing system secured by a locking band. For P1 and H1 installations, jointing gaskets must be fitted at each joint, ensuring a secure and efficient setup.

Ensure that you maintain a minimum distance of 50mm from the outer edge of the flue to any combustible materials such as wood or plasterboard.

Yes, the Elbow 45° - Ø 700 is designed to handle flue gases in both positive and negative pressure conditions, making it highly versatile for various applications.

The thickness of the stainless steel construction varies depending on the diameter of the flue, ensuring optimal strength and durability for each specific application.

What our experts say!

"The Elbow 45° - Ø 700 is an outstanding component for any flue system. It's versatile, reliable, and built to last. Plus, National Flues ensures prompt delivery across the UK for both retail and trade customers. Highly recommended!"

The Elbow 45° - Ø 700 is designed to facilitate direction changes in modular flue systems, aiding efficient exhaust flow in various high and low temperature applications.

National Flues supplies high-quality fireplaces and flues to retail and trade customers nationwide. Known for competitive pricing and reliable delivery, National Flues ensures secure online payments and excellent customer service.

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