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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.
The price you pay today £465.99
including 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

    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
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, June 16th. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. 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.

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 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.

SKU: 3-450-090

Technical Specifications
Material316L Stainless Steel
SystemSWPro
ApprovalsCE, EN 1856-1
JointingPush-fit with locking band
Clearance50mm from combustibles
ApplicationsBoilers, ovens, ventilation systems, chimney shaft liners
Warranty10 Years
FuelsOil (Not suitable for gas appliances)
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.

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