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Lid - Ø 80 (3-80-036)

National Flues introduces the Lid Ø 80 – a top-quality cap for closing off branches or headers in your SWPro modular single wall flue system. This premium lid, fashioned from 316L stainless steel, offers excellent durability and is CE marked, ensuring compliance with EN 1856-1 standards. Ideal for applications ranging from boilers to ovens and ventilation systems, the Lid Ø 80 is the perfect solution for a secure, efficient, and reliable chimney flue installation.
The price you pay today £30.99
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At a Glance

    Made from premium 316L stainless steel
    CE marked and compliant with EN 1856-1 standards
    Secure high-pressure sealing with P1/H1 gasket
    Innovative push-fit jointing system with locking band
    Versatile use in high and low temperature, condensing and non-condensing applications
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, June 9th. 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.

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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.

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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.

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The Lid Ø 80 is an essential component of the SWPro modular single wall flue system, designed to cap the ends of branches or the base of headers. Constructed from high-quality 316L stainless steel, it ensures a secure and durable seal, thanks to its high-pressure sealing gasket P1/H1. This versatile lid is suitable for use in both high and low temperature settings, as well as in non-condensing and condensing applications.

Featuring a user-friendly push-fit jointing system secured with a locking band, the SWPro system is easy to install and maintain. CE marked and compliant with EN 1856-1 standards, the Lid Ø 80 offers peace of mind and superior performance for various applications including boilers, ovens, and ventilation systems.

SKU: 3-80-036

Technical Specifications
ModelLid u00d8 80
SKU3-80-036
Material316L Stainless Steel
CertificationCE marked, EN 1856-1 compliant
ApplicationModular Single Wall Flue Systems for boilers, ovens, and ventilation systems
Installation MethodPush-fit jointing secured with a locking band
Gasket TypeHigh-pressure P1/H1 sealing gasket
Distance To CombustiblesMinimum 50mm clearance
Temperature RangeSuitable for both high and low temperature, condensing and non-condensing applications
Warranty10 Years
Installation of the Lid Ø 80 is straightforward due to its innovative push-fit jointing system. Ensure that you fit a jointing gasket at every connection, particularly in P1 and H1 installations, to secure a leak-proof seal. The lid is designed to lock into place with an accompanying locking band, which must be properly tightened to maintain stability. Always maintain a minimum clearance of 50mm from any combustible materials. Prior to installation, double-check that all components are clean and intact. In the event of any uncertainties, refer to the comprehensive installation guidelines provided with your SWPro modular system, or contact our technical support team for assistance.

The Lid Ø 80 is made from high-grade 316L stainless steel, ensuring durability and resistance to corrosion.

It is suitable for a wide range of applications including boilers, ovens, ventilation systems, and as a chimney shaft liner.

Yes, the Lid Ø 80 features a push-fit jointing system that is secured with a locking band, making installation straightforward.

Yes, it is CE marked and compliant with EN 1856-1 standards, ensuring high safety and performance.

Yes, it is suitable for use in both positive and negative pressure systems.

Yes, you should maintain a distance of 50mm from the outside of the flue to any combustible materials like wood or plasterboard.

Yes, jointing gaskets must be fitted on every joint in P1 and H1 installations to ensure a proper seal.

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