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Cap - Ø 300 (3-300-090)

National Flues proudly presents the Cap - Ø 300, an exceptional rain protection cap for chimney flue systems. Engineered from high-grade 316L stainless steel, this robust cap not only safeguards your flue from rainwater ingress but also enhances the overall efficiency and longevity of your heating system. Perfect for both residential and commercial applications, the Cap - Ø 300 embodies quality, reliability, and superior performance. Choose National Flues for innovative chimney solutions that se Read more...
The price you pay today £192.99
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

    Premium 316L stainless steel construction for long-lasting durability
    Designed specifically to prevent rainwater ingress in chimney flue systems
    CE marked and compliant with EN 1856-1 standards
    Versatile use in high and low-temperature, non-condensing and condensing applications
    Part of the robust SWPro system ensuring a secure, modular design
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, June 17th. 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 300 is a premium quality rain cap designed to protect your chimney flue system from rainwater ingress. Constructed from high-grade 316L stainless steel, this cap ensures longevity and robust performance. The SWPro system, to which this cap belongs, is a versatile, modular single wall flue system made with a high-pressure sealing gasket (P1/H1).

Suitable for a myriad of applications including boilers, ovens, ventilation systems, and as a chimney shaft liner, the SWPro system can handle both high and low-temperature flue gasses, in positive and negative pressure environments. The whole system is CE marked and adheres to the highest industry standards.

SKU: 3-300-090

Technical Specifications
Material316L Stainless Steel
SystemSWPro
Clearance From Combustibles50mm
Warranty10 Years
ApprovalsCE
Suitable ApplicationsBoilers, Ovens, Ventilation Systems, Chimney Shaft Liners
Jointing MethodPush-fit with locking band
Installation RequirementsJointing gaskets for P1/H1 configurations
The Cap - Ø 300 is installed using a simple push-fit jointing system that is secured with a locking band for added stability. Ensure that a clearance of 50mm is maintained from any combustible material (such as wood or plasterboard). When installing on P1 or H1 systems, apply jointing gaskets on every joint to guarantee a leak-proof connection. It is advisable to consult the manufacturer's detailed installation guidelines or seek professional assistance if in doubt.

The Cap - Ø 300 serves as a rain cap to protect your chimney flue system from rainwater ingress.

No, the Cap - Ø 300 is not suitable for gas appliances.

It is made of high-grade 316L stainless steel.

Yes, it is suitable for both high and low temperature, non-condensing, and condensing applications.

Yes, it is CE marked, ensuring compliance with European standards.

It features a push-fit jointing system that is secured with a locking band. For P1 and H1 installations, jointing gaskets must be applied on every joint.

Yes, a clearance of 50mm from the outside of the flue to any combustible material (wood, plasterboard) is necessary.

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