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Cap - Ø 100 (3-100-090)

National Flues proudly presents the Cap Ø 100 – a robust stainless steel rain cap designed for premium flue systems. Meticulously crafted from 316L stainless steel, this cap offers exceptional resistance to corrosion and harsh weather, ensuring that your chimney or flue remains protected. Perfectly compatible with the SWPro modular system, this accessory is ideal for boilers, ovens, and ventilation systems. Experience the excellent durability and dependable performance that makes the Cap Ø 100 t Read more...
The price you pay today £58.99
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At a Glance

    Crafted from high-grade 316L stainless steel
    Robust, weather-resistant design
    Designed for SWPro modular flue systems
    Provides effective rainwater protection
    CE marked and EN 1856-1 compliant
    Suitable for high and low temperature applications
    Requires high-pressure sealing gaskets at every joint
    Maintains a safe 50mm clearance to combustibles
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, June 24th. 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 100 is a robust and reliable modular flue system accessory made from high-grade 316L stainless steel, ensuring long-lasting durability and performance. This rain cap is designed specifically to offer protection against rainwater ingress and is not suitable for gas appliances. The innovative design includes a high-pressure sealing gasket P1/H1, which makes it versatile for both high and low temperature applications, whether condensing or non-condensing, and supports both positive and negative pressure systems.

Ideal for a range of uses including boilers, ovens, ventilation systems, and as a chimney shaft liner. It fits seamlessly into the SWPro modular flue system, renowned for its ease of installation with a push fit jointing system secured by a locking band. Each joint in high-pressure installations requires a gasket, and it’s crucial to maintain a 50mm clearance from any combustible materials.

SKU: 3-100-090

Technical Specifications
Material316L Stainless Steel (Inner)
SystemSWPro Modular Flue System
FuelsOil and Weather Exposure (Not for Gas Appliances)
CertificationsCE Marked, EN 1856-1 Compliant
Combustible ClearanceMinimum 50mm
Warranty10 Years
DesignCap - u00d8 100 with high-pressure sealing gasket
• Always install with the recommended high-pressure sealing gasket (P1/H1) on every joint for high-pressure applications. • Maintain a minimum clearance of 50mm from any combustible materials such as wood or plasterboard. • Use the SWPro modular system's push fit jointing method secured by a locking band for a reliable connection. • Note: This cap is not suitable for gas appliances – confirm compatibility before installation. • Follow the manufacturer's installation manual and safety guidelines to ensure optimal performance and longevity.

The Cap Ø 100 is crafted from high-grade 316L stainless steel, known for its durability and resistance to corrosion.

No, the Cap Ø 100 is not suitable for gas appliances.

Yes, the Cap Ø 100 is versatile and suitable for both high and low temperature non-condensing and condensing applications.

The Cap Ø 100 is installed using the SWPro modular flue system’s push fit jointing system, which is secured with a locking band. For high-pressure installations, a gasket must be fitted on every joint.

The Cap Ø 100 is CE marked and adheres to EN 1856-1 standards.

The Cap Ø 100 is ideal for boilers, ovens, ventilation systems, and as a chimney shaft liner.

During installation, make sure to maintain a 50mm distance from the outside of the flue to any combustible materials such as wood or plasterboard.

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