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Elbow 90° - Ø 125 (3-125-030)

Discover National Flues’ premium Elbow 90° - Ø 125 – a high-quality, 316L stainless steel flue component designed for a range of applications. This robust flue elbow is an indispensable part of our SWPro modular system and is perfect for use in boilers, ovens, and ventilation systems. Combining durability with safety, this CE marked component meets rigorous EN 1856-1 standards, ensuring reliable performance for both residential and commercial installations.
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At a Glance

    Constructed from high-grade 316L stainless steel
    CE marked and compliant with EN 1856-1 standards
    Versatile design for both condensing and non-condensing applications
    Engineered for use in the SWPro modular flue system
    Suitable for gas, oil, boilers, ovens, and ventilation systems
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, June 19th. 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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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.
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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).

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The Elbow 90° - Ø 125 is an essential component in the SWPro modular single wall flue system. Manufactured from high-grade 316L stainless steel, this elbow ensures exceptional durability and resistance to high temperatures. Designed with a high-pressure sealing gasket (P1/H1), it is suitable for applications requiring both positive and negative pressure, and can handle both non-condensing and condensing flue gasses.

This universal elbow is perfect for a wide range of applications including boilers, ovens, ventilation systems, and chimney shaft liners. The flue system is CE marked and adheres to the rigorous standards set out in EN 1856-1, ensuring safety and compliance.

SKU: 3-125-030

Technical Specifications
Material316L Stainless Steel
SystemSWPro Modular
ComplianceCE Marked; EN 1856-1 compliant
Pressure RatingP1/H1 for positive/negative pressure applications
Fuel CompatibilityGas and Oil
Distance To Combustibles50mm minimum required
Warranty10 Years
Installation of the Elbow 90° - Ø 125 is straightforward when following the SWPro modular flue system guidelines. Ensure you use the designated high-pressure sealing gaskets on each joint to secure a leak-proof connection. Always maintain a minimum distance of 50mm from any combustible materials during installation. Use a reliable Locking Band to secure the joints firmly. Follow the manufacturer’s installation manual and adhere strictly to EN 1856-1 standards to ensure both safety and optimal performance. For extra confidence during installation, consult with a certified installer if required.

This elbow is made from high-grade 316L stainless steel, which offers excellent durability and resistance to high temperatures.

Yes, the Elbow 90° - Ø 125 is CE marked, ensuring it meets all necessary safety and compliance standards.

The Elbow 90° - Ø 125 is perfect for a wide range of applications such as boilers, ovens, ventilation systems, and can also be used as a chimney shaft liner.

The SWPro modular flue system uses a push-fit jointing system secured by a Locking Band. For P1 and H1 installations, a jointing gasket must be fitted on each joint, and you must maintain a 50mm distance from any combustible materials.

The Elbow 90° - Ø 125 comes in various diameters, ranging from Ø 80 to Ø 400 depending on the specific requirements of your installation.

Yes, this elbow is suitable for both condensing and non-condensing applications, making it highly versatile.

Yes, National Flues provides reliable nationwide delivery, ensuring that you receive your products in a timely manner.

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