Cap - Ø 400 (3-400-090)
At a Glance
- Made from high-grade 316L stainless steel
Conforms to EN 1856-1 safety and performance standards
High-pressure sealing gasket (P1/H1) suitable for various pressure systems
Simple push-fit jointing system with secure locking band
Maintains a safe 50mm clearance from combustible materials
Designed for commercial and industrial chimney systems
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, June 27th. 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]
- Info
- Specs
- Install
- FAQs
The Cap - Ø 400 is an essential component for any chimney flue system, providing critical protection against rainwater ingress. This cap is constructed from high-grade 316L stainless steel, ensuring longevity and durability. With a design conforming to EN 1856-1 standards, it is suitable for a wide range of applications, from boilers and ovens to ventilation systems and chimney liners.
The modular SWPro system features a high-pressure sealing gasket (P1/H1) for both positive and negative pressure environments, making it versatile for non-condensing and condensing configurations. The push-fit jointing system, secured with a locking band, allows for straightforward installation while maintaining safety with a 50mm clearance from combustible materials.
SKU: 3-400-090
| Technical Specifications | |
|---|---|
| Material | 316L Stainless Steel |
| Standard Conformance | EN 1856-1 |
| System | SWPro |
| Sealing Gasket | High-pressure (P1/H1) |
| Installation Design | Push-fit joint with locking band |
| Clearance | 50mm from combustibles |
| Fuel Compatibility | Not suitable for gas appliances |
| Warranty | 10 Years |
