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Elbow 90° - Ø 400 (3-400-030)

National Flues introduces the Elbow 90° - Ø 400, a premium stainless steel flue component engineered to optimally redirect flue gasses in commercial applications. Designed for boilers, ovens, ventilation systems and more, this robust elbow fitting complies with EN 1856-1 standards and is CE marked for safety and quality. As the leading supplier in high-quality chimney and flue solutions, National Flues ensures that every installation benefits from superior craftsmanship and expert engineering.
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£287.49
with free delivery Give us a call if you find it cheaper and we'll try to price match.

 

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At a Glance

  • Made from high-grade 316L stainless steel
  • CE marked and compliant with EN 1856-1
  • Innovative modular push-fit system with a locking band
  • Versatile for applications including boilers, ovens, and ventilation systems
  • Efficient performance under both non-condensing and condensing conditions

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 400 is a premium modular single wall flue system, expertly crafted from 316 grade stainless steel. This high-performance component is CE marked and designed to meet EN 1856-1 standards, making it suitable for a diverse range of applications, including boilers, ovens, and ventilation systems. The SWPro flue system operates efficiently under both high and low temperatures, accommodating non-condensing and condensing flue gasses in both positive and negative pressure settings.

The push fit jointing system, secured with a Locking Band, ensures easy installation, while the high-pressure sealing gasket (P1/H1) guarantees robust and secure connections. It's crucial to maintain a 50mm clearance from any combustible material. Choose the Elbow 90° - Ø 400 for reliable performance and ease of installation.

SKU: 3-400-030

Technical Specifications
SKU3-400-030
Material316L Stainless Steel
ComplianceCE Marked, EN 1856-1
Diameter400mm
Clearance50mm from combustibles
SystemSWPro
Fuel CompatibilityGas, Oil
Warranty10 Years
Installation MethodModular push-fit with Locking Band
For optimal installation of the Elbow 90° - Ø 400, begin by ensuring that all connection surfaces are clean and free from debris. Insert the push-fit connectors firmly, making sure the locking band is correctly positioned to secure the joint. It is vital to maintain a clear 50mm distance from any combustible materials. Follow the integrated instructions provided with the SWPro system, and ensure that the high-pressure sealing gasket (P1/H1) is properly installed to guarantee a leak-proof connection. Always double-check alignments and pressure settings to accommodate both positive and negative flue gas pressures.

The Elbow 90° - Ø 400 is constructed from 316L grade stainless steel, ensuring durability and resistance to high temperatures and corrosion.

This elbow is ideal for boilers, ovens, ventilation systems, and as a chimney shaft liner, accommodating both non-condensing and condensing applications.

The Elbow 90° has a diameter of 400mm, making it suitable for larger commercial appliances.

Yes, it is CE marked and designed to meet EN 1856-1 standards for safety and quality.

Installation is straightforward, thanks to its modular push fit jointing system secured with a Locking Band. Ensure a distance of 50mm from any combustible materials.

Yes, the SWPro system includes a high-pressure sealing gasket (P1/H1) for secure and reliable joints.

It is designed to handle both positive and negative pressure settings, ensuring versatility in various applications.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, May 1st. Delivery times of products not in our warehouses depend on product availability and shipping. If you need a definitive delivery time give us a call. If you need faster stove or fireplace delivery please also 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. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

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.

Read our review in our Elbow 90° - Ø 400 buyers guide

Don’t miss out—secure your high-quality Elbow 90° - Ø 400 now to ensure peak performance and reliability in your installation.

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