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Adaptor female-female - Ø 300 (3-300-003)

National Flues presents the Adaptor Female-Female – Ø 300, a critical element of our SWPro modular flue system. Engineered in 316L Stainless Steel, this high-performance component is designed to offer secure, reliable connections for boilers, ovens, and ventilation systems. Perfect for both condensing and non-condensing applications, our adaptor meets the highest standards in chimney and flue technology. Choose National Flues for premium, dependable flue solutions and experience the difference q Read more...
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At a Glance

    Constructed from high-grade 316L Stainless Steel
    Innovative push-fit jointing system secured by a Locking Band
    CE marked and compliant with EN 1856-1 standards
    Designed for both condensing and non-condensing applications
    Suitable for a wide range of systems including boilers, ovens, and ventilation systems
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.

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

The Adaptor female-female - Ø 300 is a critical component in our high-performance SWPro single wall flue system. Made from 316 grade stainless steel, this adaptor is perfect for both high and low temperature applications, whether non-condensing or condensing. Its modular design, coupled with a high-pressure sealing gasket P1/H1, ensures a secure and reliable fit.

Suitable for boilers, ovens, ventilation systems, and as a chimney shaft liner, this adaptor is versatile and essential. CE marked and compliant with EN 1856-1 standards, the SWPro system offers ease of installation with its push-fit jointing system secured by a Locking Band. Ensure to fit jointing gaskets for P1 and H1 installations and maintain a safe distance of 50mm from combustible materials.

SKU: 3-300-003

Technical Specifications
Material316L Stainless Steel
SystemSWPro
StandardsCE, EN 1856-1
Diameter Compatibilityu00d880 to u00d8400
Installation MethodPush-fit jointing with Locking Band
Gasket RequirementJointing gaskets required for P1 and H1 installations
Distance To CombustiblesMinimum 50mm
Warranty10 Years
For a successful installation, ensure the adaptor is fitted using the SWPro push-fit jointing system, secured firmly by the Locking Band. It is essential that jointing gaskets are used for P1 and H1 installations to maintain a tight seal. Always maintain a minimum clearance of 50mm from any combustible material to comply with safety standards. Familiarise yourself with the installation manual before beginning and, if necessary, consult a certified installer to ensure that all guidelines and local regulations are met. Exercise caution during assembly and avoid forcing parts together to prevent damage.

The adaptor is made from high-grade 316L stainless steel, ensuring durability and resistance to high temperatures.

This adaptor is suitable for high and low temperature applications, non-condensing and condensing systems, including boilers, ovens, and ventilation systems.

Yes, the Adaptor Female-Female - Ø 300 is CE marked and complies with EN 1856-1 standards.

The adaptor uses a push-fit jointing system secured by a Locking Band. For P1 and H1 installations, jointing gaskets must be used for each joint.

A minimum distance of 50mm from the outside of the flue to any combustible material should be maintained.

Yes, the adaptor is equipped to handle both positive and negative pressure applications, making it versatile for a range of systems.

The SWPro system covers diameters from Ø 80 up to Ø 400, ensuring availability for various installation needs.

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