We use cookies to ensure a smooth, secure, and ever-improving experience on our website. By continuing to browse, you agree to our use of cookies as detailed in our Cookie Policy. Enjoy your visit and let us now if you need any help!
Cookie Preferences
We use different types of cookies for various purposes. Please select which you allow:
Elbow 87° - Ø 400 (3-400-038)
Discover the superior performance of the Elbow 87° - Ø 400, a premium flue component crafted from robust 316L stainless steel by National Flues. Ideal for use in boilers, ovens, ventilation systems and chimney shaft liners, this component delivers exceptional reliability whether you are installing a new flue system or upgrading an existing one. Meeting stringent CE standards and designed for both non-condensing and condensing applications, this product is the epitome of quality and efficiency in the modular SWPro system. With nationwide delivery and competitive pricing, National Flues is the trusted partner for both residential and commercial heating solutions.
Hover to Zoom / Click for Gallery
Out of Stock – Pre-order Now
£287.49
with free delivery
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Made from high-grade 316L stainless steel
CE marked with reliable P1/H1 high-pressure sealing
Suitable for both high and low temperature applications (gas & oil systems)
Versatile design for boilers, ovens, ventilation systems and chimney shaft liners
Easy installation with modular push-fit joints and locking band ensuring a 50mm clearance from combustibles
×
Email Product
Enter your email address to send the product details:
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.
Our Elbow 87° - Ø 400 is a crucial component of the SWPro modular single wall flue system, designed for both high and low temperature applications. Made from high-grade 316L stainless steel, this elbow ensures durability and exceptional resistance against high pressure, thanks to its CE-marked high-pressure sealing gasket P1/H1. Whether you're working with non-condensing or condensing systems, this elbow is versatile enough to handle positive and negative pressure environments.
Ideal for use in boilers, ovens, ventilation systems, and as a chimney shaft liner, it fits seamlessly into various applications. The modular design with push-fit joints and a locking band makes installation straightforward and secure, and it ensures a 50mm clearance from any combustible material.
SKU: 3-400-038
Technical Specifications
SKU
3-400-038
Diameter
400 mm (16 inches)
Angle
87u00b0
Material
316L Stainless Steel
Approval
CE
Pressure Gasket
P1/H1
System
SWPro
Fuel Applications
Gas, Oil
Warranty
10 Years
Clearance
50mm from combustibles
Installation of the Elbow 87° - Ø 400 is straightforward yet critical for system safety and efficiency. Ensure you follow these guidelines: 1. Verify that all joints are clean and free of debris. 2. Install using the push-fit joint system and secure with the locking band. 3. For the P1/H1 application, fit a high-pressure sealing gasket on every joint to maintain secure connections. 4. Always maintain a 50mm clearance from any combustible material to meet safety regulations. 5. This component is designed for both non-condensing and condensing systems; however, consult a certified installer if you are uncertain about system compatibility. Proper adherence to these steps will guarantee a safe, compliant, and long-lasting installation.
The elbow is constructed from high-grade 316L stainless steel, ensuring strength and longevity.
The Elbow 87° - Ø 400 can be used in boilers, ovens, ventilation systems, and as a chimney shaft liner.
Yes, the Elbow 87° - Ø 400 is CE marked, adhering to the EN 1856-1 standard.
The elbow features a push-fit jointing system secured by a locking band. For P1 and H1 installations, jointing gaskets must be fitted on every joint, and a 50mm clearance from any combustible material is required.
Yes, the Elbow 87° - Ø 400 is designed to handle both positive and negative pressure in non-condensing and condensing systems.
The elbow has a diameter of 400mm (16 inches).
Yes, National Flues provides reliable nationwide delivery for both retail and trade customers.
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.
Comprehensive Buyers Guide for the Elbow 87° - Ø 400
When planning a flue system installation, selecting the right components is crucial to ensure safety, efficiency, and longevity. The Elbow 87° - Ø 400 is engineered to meet the demands of modern heating and ventilation systems while providing a dependable and robust solution for both private and commercial installations. This guide will provide detailed insights into the product, explain its features and benefits, and help you overcome common objections before making your purchasing decision.
Product Overview
The Elbow 87° - Ø 400 is a vital component within the SWPro modular single wall flue system crafted by National Flues, a leader in the field of flue systems across the UK. Designed to redirect flue gases safely, this elbow is manufactured from high-grade 316L stainless steel, ensuring excellent resistance to corrosion and high pressure. With its CE marking, the component complies with strict European standards, providing reassurance that the product is manufactured to meet rigorous quality and safety criteria.
Key Features and Their Benefits
- High-Quality Material: Constructed from 316L stainless steel, the elbow is designed for durability and reliability. This material is highly resistant to corrosion, making it ideal for use in environments where exposure to high temperatures and aggressive chemicals is common.
- CE Marked Assurance: Safety is paramount when dealing with flue systems. The product’s CE marking certifies that it meets European safety standards, which is particularly important when handling high pressure and variable temperatures.
- Versatility in Application: Suitable for a range of installations, from boilers and ovens to ventilation systems and chimney shaft liners. Whether you are working on a domestic or commercial project, this elbow accommodates diverse flue gas pathways.
- Modular Design for Ease of Installation: The component features a push-fit jointing system complemented by a locking band. This design simplifies installation, reducing the need for specialised tools and minimising on-site labour costs. The engineered 50mm clearance from any combustible materials further enhances installation safety.
Understanding the Technical Specifications
For the meticulous installer, the technical details matter. The Elbow 87° - Ø 400 comes with a precise diameter of 400 mm (16 inches) and an exact 87° angle, ensuring a perfect fit within your existing SWPro flue system. The product is engineered to perform under various conditions, whether it is integrated as part of a non-condensing or condensing system. Additional technical points such as the high-pressure sealing gasket (P1/H1) and a recommended warranty period of 10 years are indicative of the product’s reliability and the manufacturer’s confidence in its long-term performance.
Overcoming Common Objections
Objection 1: Uncertainty About Compatibility
For many installers, the compatibility of flue components with existing systems is a major concern. The Elbow 87° - Ø 400 is designed to seamlessly integrate with the SWPro modular system, which is widely trusted in the industry. Whether you are updating an older system or initiating a new installation, rest assured that this component works flawlessly in both non-condensing and condensing environments.
Objection 2: Installation Challenges
Some may worry about the complexity of installation, but the modular design using push-fit joints and a secure locking band makes this product one of the easiest to install on the market. Detailed installation guidelines ensure that even professionals with limited technical support can achieve a secure and compliant installation. If there is ever any doubt, seeking assistance from a qualified installer is always recommended.
Objection 3: Price versus Value
While the Elbow 87° - Ø 400 represents a higher upfront cost than lower-grade alternatives, the long-term value more than justifies the investment. With a 10-year warranty and proven durability in a variety of applications, you can be confident that you are investing in a product that will deliver reliability, safety, and efficiency over many years. In many cases, the costs savings achieved through reduced maintenance and longer-lasting performance make it the economical choice in the long run.
Enhancing Your Flue System with Optional Accessories
The Elbow 87° - Ø 400 is a cornerstone of a robust flue system. To further enhance performance and ease of installation, consider exploring our range of optional accessories. These additional components are designed to complement your flue system perfectly. From extra sealing gaskets to specialized installation kits, the right accessories can help you achieve an even higher standard of safety and functionality. Each accessory is engineered to work seamlessly with National Flues products, ensuring that every installation is both compliant and efficient.
Final Considerations
When choosing your flue system components, making an informed decision is critical. The Elbow 87° - Ø 400 not only meets rigorous UK standards but also outperforms many alternatives on the market. Its high-grade construction, safety certifications, and ease of installation make it an excellent choice for professionals and homeowners alike.
By investing in the Elbow 87° - Ø 400, you are choosing reliability you can trust—from the first installation to long-term maintenance. The extensive warranty and proven performance across various applications further underscore its credentials as a premium product.
For those looking to optimise their flue systems, do not overlook the value of exploring our range of complementary accessories to perfectly round off your installation. Each additional component has been designed with efficiency and safety in mind, leading to a comprehensive solution that meets all regulatory requirements.
In summary, the Elbow 87° - Ø 400 offers an outstanding blend of quality, safety, and versatility, ensuring that your flue system performs optimally in any application. When you prioritise the safety of your installation and the longevity of your system, this is the product to choose. Buy now or call 01670 206 999.
Compatible and other products that may be of interest...
