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Cap - Ø 450 (3-450-090)
Discover the superior Cap Ø 450 by National Flues – a robust, high-quality stainless steel rain cap engineered to protect your flue system. Ideal for commercial installations including boilers, ovens, and ventilation systems, this cap stands as a premium accessory for achieving optimal performance and safety in your heating applications.
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£344.99
with free delivery
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Crafted from 316L Stainless Steel for enhanced durability
Universal SWPro design suitable for non-condensing and condensing applications
Push-fit jointing system with a secure locking band for easy installation
CE marked and compliant with EN 1856-1 standards
Requires a 50mm clearance from combustible materials to ensure safety
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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 Cap Ø 450 is an essential component for any modular single wall flue system. Crafted from high-quality 316L grade stainless steel, this rain cap offers excellent durability and long-lasting performance. It's part of the SWPro series, a universal flue system suitable for both high and low temperatures, catering to non-condensing and condensing applications with flue gases in positive and negative pressure.With a user-friendly push-fit jointing system secured by a locking band, the installation is hassle-free.
Ensure a 50mm distance from combustible materials to the flue's exterior. SWPro is CE marked, confirming its compliance with rigorous European standards, including EN 1856-1.This versatile cap is ideal for boilers, ovens, ventilation systems, and chimney shaft liners, providing robust protection against rainwater ingress. Note: It is not suitable for gas appliances.
National Flues is your trusted supplier, offering dependable delivery and unbeatable prices.
Installation is straightforward using the push-fit jointing system. Ensure that each joint is fitted with the proper gasket and secured with the locking band for optimal performance. Always maintain a minimum distance of 50mm from any combustible materials. Please note that this cap is not designed for use with gas appliances, so careful consideration should be given to product compatibility before installation.
The Cap Ø 450 is made of high-quality 316L grade stainless steel, ensuring durability and resistance to harsh weather conditions.
The Cap Ø 450 is designed for modular single wall flue systems. It's part of the SWPro series, suitable for non-condensing and condensing applications with both high and low temperature flue gases in positive and negative pressure.
Installation is straightforward with the push-fit jointing system, secured by a locking band. For P1 and H1 installations, ensure jointing gaskets are fitted on every joint and maintain a 50mm distance from any combustible materials.
The Cap Ø 450 is CE marked and complies with the EN 1856-1 standards, ensuring it meets high safety and performance criteria.
No, the Cap Ø 450 is not suitable for gas appliances. It is primarily designed for protecting flue systems from rainwater ingress and for use in boilers, ovens, and ventilation systems.
Yes, National Flues offers trade accounts to our customers, providing a range of benefits including competitive pricing and reliable nationwide delivery.
Stainless steel is durable, corrosion-resistant, and capable of withstanding high temperatures, ensuring long-lasting protection and efficiency for your flue system.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Tuesday, April 29th.
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 Cap - Ø 450 buyers guide
Introduction
The Cap Ø 450 is an essential accessory for safeguarding your modular single wall flue system from unwanted rainwater ingress and environmental damage. Manufactured from high-quality 316L stainless steel, it is built to withstand the most challenging weather conditions, ensuring your system remains efficient and durable. This buyers guide provides an in-depth look at the features, benefits, installation process, and additional accessory options available to help you make an informed decision.
Key Features and Benefits
One of the standout aspects of the Cap Ø 450 is its robust construction using premium 316L stainless steel. This material is not only resistant to corrosion but also ensures longevity and durability, making it a wise investment. The design is part of the SWPro series, which is renowned for its compatibility with both non-condensing and condensing applications. Its push-fit jointing system, secured with a locking band, guarantees a seamless installation, saving you valuable time and effort. Moreover, the cap is CE marked, confirming its conformity with strict European standards including EN 1856-1, which is vital for maintaining safety and compliance in modern heating systems.
Installation Guidance
Installing the Cap Ø 450 is simple and straightforward. The push-fit jointing system is designed for ease and efficiency, reducing the need for complex tools and extensive labour. However, it is crucial to follow the installation instructions meticulously. Start by ensuring that all components are clean and free of debris. Fit the appropriate gaskets at every joint to secure a tight, leak-proof connection. Additionally, always maintain a minimum clearance of 50mm from any combustible material to adhere to safety guidelines. These measures, when properly implemented, significantly enhance the performance and reliability of your flue system.
Compatibility and Safety
Safety is paramount when dealing with flue systems. The Cap Ø 450 is designed to integrate seamlessly with a variety of applications, including boilers, ovens, ventilation systems, and chimney shaft liners. It is specifically engineered for non-condensing and condensing applications, accommodating flue gases in both positive and negative pressure environments. However, it is important to note that this cap is not suitable for gas appliances. Ensuring that this product is used in the correct context helps maintain the safety and efficiency of your installation. Its CE marking and compliance with EN 1856-1 standards further endorse its reliability and safety credentials.
Optional Accessories and Enhancements
National Flues offers a comprehensive range of optional accessories that can further optimise your flue system. These include insulation sleeves, sealing kits, additional gaskets, and complementary flue components that are designed to work in unison with the Cap Ø 450. By opting for these accessories, you can improve the thermal performance, safety, and overall efficiency of your installation. It is advisable to explore these options to tailor your system to your specific requirements and environmental conditions.
Addressing Common Concerns
When investing in a flue system component, several questions may arise. One common inquiry is regarding the material quality. The Cap Ø 450, built from 316L stainless steel, offers exceptionally high resistance to corrosive elements and harsh weather conditions. Another frequent concern is the ease of installation. With its user-friendly push-fit design, even those with minimal DIY experience can achieve a professional-level finish. Additionally, the 50mm clearance requirement from combustible materials may seem stringent, but it is a necessary safety standard to ensure long-term operational reliability. National Flues is committed to supporting you with expert advice and detailed guidelines, ensuring that every query is addressed and every hesitation is resolved.
Why Choose National Flues?
National Flues has built its reputation on a commitment to quality, reliability, and customer satisfaction. As a leading supplier in the UK, we prioritise the safety and performance of your heating systems. Choosing the Cap Ø 450 means investing in a product that not only enhances the longevity and efficiency of your flue system but also complies with the most rigorous European standards. Our extensive experience in the industry, paired with our dedication to innovation and customer service, makes us the perfect partner for all your flue system needs. Whether you are a retail customer or a trade professional, you will benefit from our competitive pricing, dependable nationwide delivery, and highly responsive after-sales support.
Final Thoughts
By selecting the Cap Ø 450, you are ensuring that your flue system is optimally protected against the elements while maintaining safety, efficiency, and compliance with industry standards. The combination of superior materials, robust design, and ease of installation makes this product an outstanding choice for any commercial flue application. Furthermore, exploring our range of accessory options can help you build a comprehensive and resilient system tailored to your specific requirements. Embrace the peace of mind that comes with knowing your heating and ventilation setup is supported by a product of exceptional quality and performance.
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Ensure uncompromised protection and performance—secure your Cap Ø 450 today.
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