× National Flues
We Won't Be Beaten On Price.
Free Delivery on Orders Over £100
100% 5 Star Reviews on Trustpilot
Free Flue Design Service Available
Need Help? 01670 206999 (8am-5pm)

Elbow 87° - Ø 450 (3-450-038)

National Flues proudly presents the Elbow 87° - Ø 450, a high-quality stainless steel flue component designed for robust performance in boilers, ovens, and ventilation systems. Engineered to conform to European EN 1856-1 standards and CE certified for safety, this modular flue accessory is not only versatile but highly efficient. Whether you are upgrading your chimney liner or establishing a new installation, this flue elbow delivers professional-grade reliability that meets the demands of both commercial and residential applications.
Hover to Zoom / Click for Gallery
£332.99
with free delivery Give us a call if you find it cheaper and we'll try to price match.

 

Payment Options

At a Glance

  • Crafted from premium 316L stainless steel for exceptional durability
  • High-pressure sealing gasket (P1/H1) ensures a leak‐free connection
  • Designed for both condensing & non-condensing applications
  • Versatile use in boilers, ovens, ventilation systems & chimney liners
  • Complies with CE standards and EN 1856-1 specifications

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 87° - Ø 450 is part of our SWPro modular single wall flue system. Made from 316L high-grade stainless steel, this elbow features a high-pressure sealing gasket (P1/H1) ensuring durability and reliability. Designed with versatility in mind, it is suitable for both high and low temperature scenarios, as well as non-condensing and condensing applications.

Whether for boilers, ovens, ventilation systems, or as a chimney shaft liner, the SWPro system excels in a variety of settings. It complies with CE marking standards and follows the EN 1856-1 designation for a range of diameters from Ø 80 up to Ø 400.

SKU: 3-450-038

Technical Specifications
Material316L Stainless Steel
Angle87u00b0
Diameteru00d8 450
Applicable StandardsEN 1856-1, CE
Gasket TypeHigh-pressure (P1/H1)
Warranty10 Years
Distance From Combustibles50mm minimum
Before installation, ensure that all components of the SWPro system are clean and free from debris. The Elbow 87° - Ø 450 is designed for a push-fit jointing system secured with Locking Bands; always use the required jointing gaskets (P1/H1) at every connection point to guarantee a proper seal. Maintain a minimum clearance of 50mm from combustible materials and strictly adhere to the EN 1856-1 guidelines. It is advisable to double-check alignment and secure each joint to prevent leaks. For optimum performance, consider pairing with complementary components, and always follow the manufacturer’s installation manual for detailed guidance and safety precautions.

The Elbow 87° - Ø 450 is constructed from 316 grade stainless steel, known for its high resistance to corrosion and durability.

Yes, the Elbow 87° - Ø 450 complies with CE marking standards, ensuring it meets all necessary European regulatory requirements.

Absolutely, the Elbow 87° - Ø 450 is designed for both condensing and non-condensing applications, making it highly versatile.

The SWPro system, including the Elbow 87° - Ø 450, utilizes a modular push-fit jointing system secured with Locking Bands for easy and secure assembly.

Yes, in P1 and H1 installations, you need to fit jointing gaskets at every joint to ensure proper sealing.

This versatile elbow is suitable for various applications, including boilers, ovens, ventilation systems, and as a liner for chimney shafts.

Ensure a minimum distance of 50mm from the outside of the flue to any combustible materials such as wood or plasterboard.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 30th. If you need faster stove or fireplace delivery please give us a call. We can often 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 87° - Ø 450 buyers guide

Enhance your system efficiency—add the Elbow 87° - Ø 450 to your cart today.

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal