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Adaptor female-female - Ø 125 (3-125-003)

The Adaptor Female-Female Ø125 from National Flues offers a robust and versatile solution for connecting sections within your flue system. This premium stainless steel flue adaptor is engineered to meet high safety standards, making it ideal for a wide range of heating applications. As a part of the SWPro range, it stands out as a superior choice for both commercial boilers and residential heating systems, ensuring efficiency and durability.
The price you pay today £47.99
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At a Glance

    Made from high-grade 316L stainless steel
    Compatible with flue diameters from Ø80 to Ø400 mm
    CE marked and compliant with EN 1856-1 standards
    Designed for both condensing and non-condensing appliances
    Simple push-fit jointing system with a secure Locking Band
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, June 20th. 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.

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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.

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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.
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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).

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

The Adaptor Female-Female Ø125 is a part of the SWPro range, a modular single wall flue system crafted from 316L stainless steel. Designed for a variety of applications, this universal flue adaptor can handle both high and low temperatures, making it suitable for condensing and non-condensing appliances. It features a high-pressure sealing gasket (P1/H1), ensuring a secure and leak-proof connection.Constructed with high-grade stainless steel, this adaptor caters to diameters ranging from Ø80 to Ø400, providing reliable performance and longevity.

The SWPro system is ideal for boilers, ovens, ventilation systems, and chimney shaft liners.Approved and CE marked, the SWPro adaptor adheres to EN 1856-1 standards, guaranteeing safety and quality. Installation is straightforward with a push-fit jointing system, secured using a Locking Band. When installed in P1 or H1 applications, jointing gaskets are required at every connection to maintain optimal performance and safety.Ensure a 50mm distance from any combustible materials (like wood or plasterboard) around the flue to comply with safety regulations.

This adaptor is a reliable solution for both commercial and residential applications, providing peace of mind and excellent performance.

SKU: 3-125-003

Technical Specifications
Material316L Stainless Steel
StandardEN 1856-1, CE Marked
Diameter Compatibilityu00d880 mm to u00d8400 mm
SystemSWPro
Fuel TypesGas, Oil
Installation MethodPush-fit joint secured with a Locking Band
Safety ClearanceMinimum 50mm from combustible materials
Warranty10 Years
Before installation, ensure you have all necessary jointing gaskets for P1 or H1 setups. Begin by verifying that the installation area adheres to the safety clearance of at least 50mm from any combustible materials. The adaptor is installed using a push-fit joint system which is secured firmly with a Locking Band. Ensure that all connections are properly sealed using the appropriate high-pressure sealing gaskets. Follow the manufacturer’s guidelines and local building regulations to ensure a secure and compliant installation. If in doubt, consult a professional installer.

The adaptor is used to connect sections of the SWPro flue system, ensuring a secure and efficient link between different components.

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

Yes, the adaptor is versatile and suitable for a wide range of applications, including commercial boilers and residential heating systems.

The adaptor features a push-fit jointing system secured with a Locking Band. For P1 and H1 installations, ensure jointing gaskets are fitted at every connection.

The SWPro system is CE marked and complies with EN 1856-1 standards, ensuring high safety and quality.

The adaptor handles both high and low temperatures and is suitable for use in positive and negative pressure systems.

Ensure a distance of 50mm from any combustible materials around the flue to comply with safety regulations.

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