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Adaptor female-female - Ø 350 (3-350-003)
The National Flues Adaptor Female-Female Ø350 establishes a new benchmark in chimney flue technology. This premium flue component, crafted from 316L stainless steel, offers superior reliability whether used in boilers, ovens, or ventilation systems. As a key part of the SWPro modular system, this adaptor seamlessly connects to a range of diameters, ensuring optimal performance in both condensing and non-condensing applications. Trusted by UK customers, National Flues continues to deliver unmatched quality and value in every chimney connector, flue adaptor, and ready-to-install accessory.
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£153.70
with free delivery
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Made from high-grade 316L stainless steel CE marked and compliant with EN 1856-1 standards Versatile design for non-condensing and condensing applications Push-fit jointing system secured with a Locking Band Integrated high-pressure sealing gasket (P1/H1) for superior performance Maintains required 50mm clearance from combustibles
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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.
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.
The Adaptor Female-Female Ø 350 is an essential part of the SWPro modular single wall flue system. Constructed from high-grade 316L stainless steel, this adaptor is built to last and ensures superior performance in both high and low-temperature environments. Whether you are dealing with non-condensing or condensing applications, this flue system can handle it all — from boilers to ventilation systems and even as a chimney shaft liner.
It comes with a high-pressure sealing gasket (P1/H1), providing added assurance of its robust quality. This product is CE marked, complying with EN 1856-1 standards, ensuring it meets all necessary European safety regulations. Installation is straightforward, thanks to its push-fit jointing system secured by a Locking Band.
Remember to keep a 50mm distance from flue exterior to any combustible materials.
Installation of the Ø350 Adaptor is straightforward. Begin by ensuring that all segments of your flue system are clean and prepared for assembly. Fit the adaptor into position using the push-fit jointing system, and secure it with the Locking Band. It is critical to install a jointing gasket on every connection point in P1 and H1 applications to ensure a watertight and secure fit. Always maintain a minimum clearance of 50mm between the exterior of the flue and any combustible materials. For best results, refer to the detailed installation manual provided, and consider consulting a professional if you are integrating the adaptor into a complex or unique flue setup.
This adaptor is made from high-grade 316L stainless steel, ensuring durability and high performance.
The Adaptor Female-Female Ø 350 is suitable for boilers, ovens, ventilation systems, and as a chimney shaft liner.
Yes, the Adaptor Female-Female Ø 350 is CE marked, complying with EN 1856-1 standards.
The adaptor is part of a modular flue system with a push-fit jointing system, secured with a Locking Band. Jointing gaskets must be fitted on every joint in P1 and H1 installations.
Keep a distance of 50mm from the outside of the flue to any combustible material such as wood or plasterboard.
The Adaptor Female-Female Ø 350 features a high-pressure sealing gasket (P1/H1) for enhanced safety and performance.
This specific adaptor fits a diameter of 350mm. The SWPro system generally supports diameters ranging from Ø 80 up to Ø 400.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Monday, May 12th. Delivery times of products not in our warehouses depend on product availability and shipping. If you need a definitive delivery time give us a call.
If you need faster stove or fireplace delivery please also give us a call.
We can sometimes reduce longer lead times if we pay the carrier £25 for express delivery.
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Warranty & Returns +
All our products come with warranties. Mi-Flex offers a lifetime guarantee.
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.
When selecting the right adaptor for your flue system, it is crucial to choose a product that not only meets industry standards but also offers superior performance and safety. The Adaptor Female-Female Ø350 by National Flues is designed with both durability and versatility in mind, making it an ideal choice for a wide range of applications, including boilers, ovens, ventilation systems, and chimney shaft liners.
Product Overview
The Ø350 Adaptor is manufactured from high-grade 316L stainless steel, known for its strength and resistance to corrosion. This flue adaptor is expertly engineered to perform in both high and low-temperature environments, ensuring it remains reliable regardless of the conditions. With CE marking and full compliance with EN 1856-1 standards, this adaptor offers peace of mind in terms of safety and quality.
Key Benefits
Durability and Longevity:
• Constructed from 316L stainless steel, the adaptor is built to last, even under rigorous and demanding conditions.
Versatility in Application:
• Suitable for use in a variety of settings such as boilers, ovens, and ventilation systems, this product is a flexible solution for various heating and flue configurations.
Enhanced Safety:
• The inclusion of a high-pressure sealing gasket (P1/H1) ensures that each connection is secure, preventing leaks and maintaining optimal performance. Additionally, it adheres to strict safety guidelines, including the necessary 50mm clearance from combustibles.
Simple Installation:
• Thanks to its push-fit jointing system and Locking Band mechanism, installing the adaptor is straightforward and time-efficient, reducing potential downtime during setup.
How to Choose the Right Adaptor
When selecting a flue adaptor, consider the following aspects:
• Compatibility with your existing flue system
• The operational environment including expected temperature ranges and potential exposure to corrosive elements
• Compliance with relevant safety standards such as CE marking and EN 1856-1
• Ease of installation and maintenance requirements
The Ø350 Adaptor ticks all these boxes and offers the flexibility required for both residential and commercial installations. It has been designed with the installer in mind, ensuring that even those with limited technical expertise can achieve professional results.
Installation Process and Best Practices
Step-by-Step Installation Guide
1. Preparation: Ensure that the installation area is clear and that all existing flue components are properly cleaned and inspected. Verify that you have maintained the necessary 50mm clearance from any combustible material.
2. Fitting the Adaptor: Insert the Ø350 Adaptor into the available connection point. The push-fit jointing system allows for a secure and snug fit.
3. Securing the Connection: Use the Locking Band to firmly secure the adaptor in place. Ensure that every joint is fitted with the recommended high-pressure sealing gasket to maintain integrity.
4. Final Inspection: Once installed, perform a thorough inspection to confirm that all connections are tight and secure, and that the clearance requirements have been met.
Safety Considerations
• Always refer to the manufacturer’s installation instructions to avoid common pitfalls.
• It is advisable to consult with or hire a professional installer if you are unfamiliar with flue system installations.
• Regular maintenance checks are recommended to ensure long-term reliability and performance of the adaptor and the entire flue system.
Addressing Common Objections
Is the adaptor difficult to install?
No, the straightforward push-fit design combined with clear locking mechanisms ensures that even less experienced installers can achieve a secure fit without hassle.
Will it perform in extreme temperatures?
Absolutely. The high-grade 316L stainless steel construction ensures durability in both high and low-temperature environments.
What about safety and compliance?
The Ø350 Adaptor is CE marked and complies with EN 1856-1 standards, ensuring it meets all necessary European safety regulations.
Are additional accessories needed?
While the adaptor is comprehensive in design, exploring National Flues’ range of optional accessories can further enhance your system’s performance and compatibility.
Why Choose National Flues?
National Flues is a leading supplier in the UK, renowned for its commitment to quality and reliable service. With a focus on competitive pricing, innovative design, and customer satisfaction, choosing this adaptor means investing in a product that will deliver both efficiency and peace of mind over the long term. The company’s reputation for excellence extends beyond just the products; they also offer exceptional customer support and nationwide delivery.
Final Thoughts
In summary, the Adaptor Female-Female Ø350 is an excellent investment for anyone looking to optimise their flue system. Its robust construction, ease of installation, and adherence to strict safety standards make it a standout choice. Whether you are upgrading an existing system or embarking on a new installation, this adaptor provides the reliability and performance that modern heating and ventilation systems demand. With National Flues, you also gain access to a range of optional accessories designed to complement and enhance your installation, so do consider exploring these to further improve your setup.
Buy now or call 01670 206 999.
Ensure the reliability of your installation—add the Ø350 Adaptor to your order today!
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