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Cone - Ø 250 (3-250-093)
National Flues presents the Cone - Ø 250, a premium single wall flue terminal engineered from 316L stainless steel. This CE-marked component is ideal for boilers, ovens, and ventilation systems, delivering durability, efficiency, and safety. Upgrade your flue system with high-quality, robust components that offer both performance and style, while opening the opportunity to integrate optional accessories to complete your installation.
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£100.99
with free delivery
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Crafted from 316L stainless steel for superior durability and corrosion resistance CE marked and compliant with EN 1856-1 standards Modular push-fit design with a secure Locking Band Designed to increase exit velocity and reduce pluming effects Versatile application for boilers, ovens, ventilation systems, and chimney liners
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Please Note: All dimensions refer to the internal diameter of flues.
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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 Cone - Ø 250 is a critical component of our SWPro modular single wall flue system, meticulously crafted from 316L grade stainless steel. This terminal not only facilitates the smooth evacuation of flue gases but also mitigates pluming effects by increasing exit velocity. Ideal for applications involving high and low temperatures, as well as both non-condensing and condensing scenarios, the SWPro system is a versatile solution for boilers, ovens, ventilation systems, and chimney liners.Constructed to withstand varied conditions, the SWPro system features high-pressure sealing gaskets rated at P1/H1, ensuring robust performance under both positive and negative pressure.
The product adheres to stringent CE marking standards, with designation numbers EN 1856-1: T200 H1 W Vm L50040 O(50) for diameters Ø 80 up to Ø 200, and EN 1856-1: T200 H1 W Vm L50050 O(50) for diameters Ø 250 up to Ø 400.Installation is straightforward with the modular push-fit jointing system, secured by a Locking Band. For P1 and H1 installations, jointing gaskets are required on every connection. Additionally, maintaining a 50mm clearance from any combustible material is essential for safe installation.
SKU: 3-250-093
Technical Specifications
Material
316L Stainless Steel
Diameter
u00d8 250
Standards
CE, EN 1856-1
Installation
Modular push-fit jointing with Locking Band; jointing gaskets required for P1/H1
Clearance
50mm from combustibles
Warranty
10 Years
Fuels
Gas, Oil
Ensure all push-fit joints are correctly connected using the provided Locking Band. For P1 and H1 installations, it is essential to use jointing gaskets at every connection. Maintain a minimum clearance of 50mm from any combustible materials such as wood, plasterboard, or insulation. Follow the manufacturer's guidelines meticulously and consider optional accessories such as extra sealing gaskets and flue clamps for enhanced safety and performance. Regularly inspect the system to ensure all components remain secure and effective.
The Cone - Ø 250 is constructed from 316L grade stainless steel, known for its durability and resistance to corrosion.
This terminal is suitable for boilers, ovens, ventilation systems, and as a chimney shaft liner. It handles both high and low temperatures and can be used in both non-condensing and condensing scenarios.
Installation involves a modular push-fit jointing system secured with a Locking Band. For P1 and H1 installations, jointing gaskets are necessary at each joint. Ensure a 50mm distance from any combustible materials.
Yes, the Cone - Ø 250 is CE marked, meeting designation numbers EN 1856-1: T200 H1 W Vm L50050 O(50) for diameters Ø 250 up to Ø 400.
Yes, National Flues provides reliable nationwide delivery for both retail and trade customers.
By slightly increasing the velocity at which flue gases exit, the Cone - Ø 250 helps to minimise the effects of pluming.
A 50mm clearance from any combustible materials like wood or plasterboard is necessary during installation.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Tuesday, May 20th. 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.
Visit our Shipping Information page for more information.
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.
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.
Read our review in our Cone - Ø 250 buyers guide
Introduction
The Cone - Ø 250 is a critical component in ensuring your flue system performs at its best. Manufactured by National Flues, this high-performance flue terminal is designed for both efficiency and longevity. Its construction from 316L stainless steel guarantees a durable solution that withstands the test of time and harsh operating conditions. In this guide, we will detail the benefits, installation process, and additional optional accessories that can complement your system.
Key Benefits
Durability:
- Made from top-grade 316L stainless steel, the Cone - Ø 250 offers unsurpassed durability, making it an ideal choice for long-term installations. Its corrosion-resistant properties ensure that it remains in optimal condition even in demanding environments.
Efficiency:
- The unique cone design increases the exit velocity of flue gases, reducing the pluming effect and improving overall system performance. Whether you are running a residential or commercial heating system, this product provides the efficiency required to maintain a steady output.
Versatility:
- Suitable for both condensing and non-condensing systems, the Cone - Ø 250 is versatile enough to be used with various applications. It seamlessly integrates into boilers, ovens, ventilation systems, and even chimney liners, giving you a flexible solution for different installation needs.
Installation and Safety
Installation of the Cone - Ø 250 is straightforward thanks to its modular push-fit jointing system. Here are some essential guidelines to follow:
- Push-Fit Jointing: The modular design allows for easy assembly. Each joint is designed to snap securely, reducing assembly time and minimizing the risk of improper fitting.
- Locking Band: The use of a Locking Band ensures that the connections remain secure under both positive and negative pressures. This feature is especially important in systems where safety is paramount.
- Jointing Gaskets: For P1 and H1 installations, jointing gaskets are required at every connection to ensure a leak-free system.
- Clearance Requirements: Always maintain a minimum clearance of 50mm from combustible materials. This critical safety measure prevents potential fire hazards and ensures the system complies with standard safety regulations.
Optional Accessories
While the Cone - Ø 250 is a high-performance product on its own, you may wish to explore optional accessories to further optimise your system. Consider searching for additional items such as:
- Extra Sealing Gaskets: To provide additional sealing and enhance the longevity of the flue system, especially useful in challenging installations.
- Flue Clamps or Support Brackets: These can be particularly beneficial in ensuring that the entire system remains stable and secure over a long period.
- Inspection Covers: Optional covers designed for periodic maintenance can help monitor the integrity of your installation without needing to dismantle parts of your system.
These accessories are designed to complement the Cone - Ø 250, ensuring that every part of your flue system is functioning at its peak. They can be easily found on our website or in-store and will match perfectly with the installed terminal.
Addressing Common Objections
Is the installation process complicated?
The Cone - Ø 250 features a straightforward modular push-fit design that simplifies installation. With clear guidelines and a secure Locking Band system, even relatively inexperienced installers can achieve a professional finish.
What if I require more components for my installation?
National Flues offers a complete range of optional accessories such as sealing gaskets, flue clamps, and inspection covers. You can search our catalog for these supplementary products to ensure your installation remains efficient and reliable.
How do I ensure safety during installation?
Following the proper installation guidelines, including maintaining a 50mm clearance from combustibles, is crucial. Additionally, utilising optional safety accessories enhances the overall safety of the system.
Is this product suitable for both residential and commercial use?
Absolutely. The robust design and high-quality materials make the Cone - Ø 250 a versatile choice, whether it is installed in a residential property or a larger commercial setting.
Conclusion
The Cone - Ø 250 from National Flues is a must-have for anyone looking to ensure the efficiency and safety of their flue system. With its durable 316L stainless steel construction, efficient gas evacuation, and flexible installation options, it represents an excellent investment in both performance and peace of mind. In addition to the primary product, the availability of optional accessories allows you to further customise your installation to meet specific needs. By choosing the Cone - Ø 250, you are investing in a high-quality solution that stands up to the demands of modern heating systems. Its simple installation process and adherence to rigorous safety standards make it an ideal choice for professionals and homeowners alike.
For further guidance, detailed technical specifications, and a full range of complementary accessories, be sure to visit our website or contact our sales team. We are here to assist you in achieving the optimal flue system setup for your property.
buy now or call 01670 206 999.
Upgrade your flue efficiency today with the Cone - Ø 250 – secure yours now.
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