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:
Lid with drain - Ø 450 (3-450-037)
The Lid with Drain - Ø450mm by National Flues is a premium-quality component designed to enhance your flue system. Crafted from robust 316L stainless steel, this drainage lid is ideal for high and low temperature applications including boilers, ovens, and chimney systems. This essential chimney flue cap guarantees effective moisture management and reliable performance, making it a must-have for both trade professionals and homeowners alike.
Hover to Zoom / Click for Gallery
Out of Stock – Pre-order Now
£196.49
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 for durability
Designed for effective drainage in flue systems
Compatible with both high and low temperature applications
Features a high-pressure sealing gasket (P1/H1) for reliable performance
Easy push-fit jointing system secured by a locking band
CE marked and compliant with stringent safety standards
Suitable for boilers, ovens, and chimney shaft liner installations
×
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.
The Lid with Drain - Ø 450mm is a crucial component in our SWPro modular single wall flue system, constructed from high-grade 316L stainless steel. This component features a high-pressure sealing gasket (P1/H1) and is suitable for both high and low temperatures, handling non-condensing and condensing applications with ease. Its versatile use includes boilers, ovens, ventilation systems, and chimney shaft liners.
The SWPro system is CE marked and adheres to various stringent standards, ensuring safety and reliability. Installation is straightforward thanks to its push-fit jointing system secured by a locking band, and jointing gaskets are required for specific installations. Always maintain a safe distance of 50mm from combustible materials such as wood or plasterboard.
SKU: 3-450-037
Technical Specifications
Material
316L Stainless Steel
Size
u00d8 450mm
Installation Method
Push-fit jointing system with locking band
Drainage Connection
Stainless steel BSP connection for drainage pipework
Sealing
High-pressure gasket (P1/H1)
Certifications
CE Marked; complies with EN 1856-1 standards
Applications
Suitable for boilers, ovens, ventilation systems, chimney shaft liners
Temperature Range
Handles both high and low temperatures (non-condensing and condensing)
Distance To Combustibles
Minimum 50mm
Warranty
10 Years
• Ensure all push-fit joints are securely connected using the locking band and appropriate jointing gaskets for P1 and H1 installations.
• Verify that all gaps maintain a safe distance of at least 50mm from combustible materials such as wood or plasterboard.
• Confirm that the stainless steel BSP connection is correctly attached to the drainage pipework to ensure effective moisture removal.
• Always adhere to the manufacturer’s guidelines and local building regulations during installation to maintain system integrity and safety.
The Lid with Drain is made from high-grade 316L stainless steel, ensuring durability and corrosion resistance.
This product is suitable for various applications including boilers, ovens, ventilation systems, and chimney shaft liners. It handles both high and low temperatures and is effective in non-condensing and condensing environments.
Yes, the Lid with Drain is CE marked, meeting stringent standards for safety and performance.
The installation is straightforward. It uses a push-fit jointing system secured with a locking band. For P1 and H1 installations, jointing gaskets must be fitted at every joint, and a 50mm distance from combustible materials should be maintained.
Yes, the Lid with Drain is designed with a high-pressure sealing gasket (P1/H1) making it suitable for high-pressure applications.
The SWPro system is available in various diameters, from Ø 80mm up to Ø 400mm, making it versatile for different installation needs.
National Flues offers reliable nationwide delivery, ensuring your product arrives on time and in excellent condition.
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 Lid with drain - Ø 450 buyers guide
Comprehensive Buyers Guide for the Lid with Drain - Ø450mm
When it comes to selecting components for your chimney flue system, every detail matters. In this guide, we explore the features, benefits, and installation tips for the Lid with Drain - Ø450mm, a robust and reliable product from National Flues. Our guide will walk you through everything you need to know, answer your key questions, and help you make an informed decision about your purchase.
Product Overview
The Lid with Drain - Ø450mm is engineered for efficiency and durability. Manufactured from high-grade 316L stainless steel, this drainage lid is a pivotal component in modern flue systems. Its design addresses the common challenges faced with moisture retention and pressure build-up, ensuring that your system operates according to high standards of safety and reliability. Whether you are updating an existing installation or embarking on a new project, this product is designed to integrate seamlessly and perform flawlessly.
Key Features and Benefits
Durable Construction:
The use of 316L stainless steel not only offers exceptional strength but also ensures long-term resistance to corrosion and wear, even in harsh environmental conditions. This means your investment will be protected against the challenges of everyday use.
Effective Drainage:
The primary function of this lid is to permit the effective drainage of condensate from your flue system. This helps prevent the build-up of moisture, which can lead to blockages or even damage over time. With this component in place, you can be assured of a well-managed system that operates efficiently.
High-Pressure Sealing:
With its P1/H1 high-pressure sealing gasket, the lid guarantees a tight seal against the pressures inherent in heating systems. This feature is crucial for both non-condensing and condensing applications, ensuring that leaks or failures are minimized.
Easy Installation:
The push-fit jointing system along with a secure locking band simplifies the process of installation. This user-friendly design means less time is spent on setup and troubleshooting, allowing you to focus on the performance of your overall system.
Installation Guidelines
Proper installation is vital to maximise the performance and safety of your flue system. It is important to adhere to the recommended installation procedures:
- Ensure that all push-fit joints are properly secured using the locking band—this guarantees that the overall structure remains stable under operational pressures.
- Incorporate jointing gaskets at every P1 and H1 connection to maintain the integrity of the seal.
- Always maintain a minimum clearance of 50mm from any combustible materials such as wood or plasterboard. This precaution helps mitigate the risk of fire hazards.
- Follow the local building regulations and manufacturer instructions to ensure compliance with safety standards.
Common Questions and Considerations
What applications is this product best suited for?
The Lid with Drain - Ø450mm is versatile enough for installations in boilers, ovens, ventilation systems, and chimney shaft liners. It is designed to perform under various temperature ranges and pressure conditions, making it ideal for both residential and commercial settings.
How does the material benefit long-term performance?
The 316L stainless steel offers excellent resistance to corrosion, which is especially important in environments where moisture is prevalent. This material characteristic ensures that the lid maintains its performance over many years, reducing the need for frequent replacements and lowering overall maintenance costs.
What makes the installation process straightforward?
The user-friendly push-fit system, accompanied by a reliable locking band, ensures that even professionals with minimal installation experience can secure the component without complications. Additionally, the clear instructions and industry-standard practices further simplify the process.
Is it compliant with safety standards?
Absolutely. The component is CE marked and adheres to the stringent EN 1856-1 standards, underscoring its compliance with high safety and performance criteria.
Addressing Potential Objections
Some customers might hesitate to invest in what appears to be a simple drainage lid. However, consider the following points:
- Long-Term Savings: Investing in a high-quality component reduces the likelihood of costly repairs and replacements. The durability of stainless steel ensures that the flue system remains reliable for years to come.
- Safety Assurance: A well-functioning drainage system minimizes hazards such as moisture-related degradation or even fire risks due to improper condensate management.
- Ease of Maintenance: With a straightforward installation and robust design, maintenance is kept to a minimum. This means less downtime and fewer disruptions in the event of system servicing.
- Comprehensive Warranty: Backed by a 10-year warranty, this product is a risk-free addition to your system, providing peace of mind with long-term performance guarantees.
Final Thoughts
For both professionals and homeowners, choosing the right components for your flue system is essential. The Lid with Drain - Ø450mm from National Flues combines robust engineering, reliable performance, and ease of installation into one cost-effective solution. Whether you are modernising an existing setup or embarking on a new installation, this product delivers quality and performance that stands the test of time.
In summary, this lid is more than just a component; it is a critical part of ensuring that your flue system operates safely and efficiently. With its superior build quality, effective drainage capabilities, and straightforward installation process, it is designed to meet the rigorous demands of modern heating and ventilation systems. Do not compromise on safety or reliability—build a flue system that works flawlessly and worry-free.
Buy now or call 01670 206 999.
Compatible and other products that may be of interest...