A warm welcome to National Flues Ltd; a national leader in stoves, fireplaces and flue systems. We use cookies to power essential ecommerce features and personalise your experience, ensuring a smooth, secure, and ever-improving buying experience on our website. Your privacy is our priority— cookies help us remember your preferences and enhance your visit without compromising your data. By continuing to browse, you agree to our use of cookies as detailed in our Cookie Policy. Enjoy your visit and let us now if you need any help!
Cookie Preferences
We use different types of cookies for various purposes. Please select which you allow:
Increaser 3 diameters - Ø 600
National Flues presents the Increaser 3 Diameters - Ø 600, a premium flue diameter increaser designed for modern installations. Perfect for Read More...
National Flues presents the Increaser 3 Diameters - Ø 600, a premium flue diameter increaser designed for modern installations. Perfect for expanding your existing flue system, this product is versatile enough for boilers, ovens, and ventilation setups. Engineered from 316L stainless steel, our modular system not only emphasises durability but also delivers unmatched performance in both condensing and non-condensing environments. Trust National Flues for reliable, CE-approved chimney accessories that meet the highest safety and quality standards. Less...
Hover to Zoom / Click for Gallery
Out of Stock – Pre-order Now
now only
£912.49
with free delivery
Buy with confidence. If you find this cheaper within 48 hours of checkout, we'll refund the difference.
At a Glance
Modular single wall flue design
Constructed in high-grade 316L stainless steel
High-pressure sealing gasket P1/H1 for both condensing and non-condensing setups
CE approved and compliant with EN 1856-1 standards
Versatile use with boilers, ovens, ventilation systems and chimney liners
Push-fit jointing system secured by a locking band to ensure reliable sealing
Maintains a safe 50mm clearance from combustible materials
×
Email Product
Enter your email address to send the product details:
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 Increaser 3 diameters - Ø 600 is part of our SWPro range, a modular single wall flue system crafted from 316 grade stainless steel with a high-pressure sealing gasket P1/H1. This increaser is perfect for adjusting flue diameters effectively in both high and low temperature settings, whether condensing or non-condensing. Ideal for commercial applications, it suits boilers, ovens, ventilation systems, and chimney liners.
Constructed with high-grade 316L stainless steel, the SWPro system ensures durability and compliance with strict CE standards. Installation is streamlined with a push-fit jointing system secured by a locking band, maintaining safety by requiring a 50mm clearance from combustible materials.
SKU: 3-600-202
Technical Specifications
SKU
3-600-202
Dimensions
u00d8 600 mm
Material
316L Stainless Steel
System
SWPro Modular Single Wall Flue
Pressure Rating
High-pressure sealing gasket P1/H1
Approvals
CE Approved, EN 1856-1 Compliant
Safety Clearance
50mm from combustible materials
Warranty
10 Years
Applications
Condensing and non-condensing systems, boilers, ovens, ventilation systems, chimney liners
• Ensure installation in accordance with local regulations and manufacturer guidelines.
• Use the push-fit jointing system and secure each connection with the locking band for optimal performance.
• For high-pressure installations, fit jointing gaskets on every joint as required.
• Maintain at least a 50mm clearance from any combustible materials to ensure safety.
• Inspect the system after installation to confirm all components are securely fitted and compliant with safety standards.
This increaser is mainly used to expand the diameter of an existing flue system, ensuring it can handle higher volumes of flue gases or adapt to different equipment requirements.
It's made from high-grade 316L stainless steel, renowned for its durability and resistance to corrosion.
Yes, the SWPro system includes a high-pressure sealing gasket P1/H1, making it suitable for both positive and negative pressure scenarios.
Yes, the increaser features a push-fit jointing system secured by a locking band, and in high-pressure installations, jointing gaskets must be fitted on every joint.
You must maintain a 50mm clearance from any combustible material, such as wood or plasterboard.
The increaser meets the EN 1856-1 standards and holds a CE marking, ensuring it adheres to stringent European safety and quality regulations.
Yes, it is versatile enough to be used in both condensing and non-condensing applications, adapting perfectly to various flue gas conditions.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Tuesday, April 29th.
If you need faster stove or fireplace delivery please give us a call.
We can often 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. If you find it cheaper within 48 hours, we'll refund the difference.
Compatible and other products that may be of interest...
Read our buyers guide for this Increaser 3 diameters - Ø 600
Understanding the Increaser 3 Diameters - Ø 600
When it comes to adapting your flue system for varying appliance needs, the Increaser 3 Diameters - Ø 600 provides an efficient and robust solution. Designed by National Flues, a leader in flue and chimney accessories across the UK, this increaser is engineered with precision to meet the rigorous demands of modern heating and ventilation systems. Whether you’re upgrading an existing installation or constructing a new one, this product offers a reliable means of increasing the flue diameter while maintaining safety and performance.
Why Choose the Increaser 3 Diameters - Ø 600?
One of the standout features of this increaser is its modular design. Built from premium 316L stainless steel, it guarantees longevity and exceptional resistance to the corrosive effects often encountered in flue gas environments. The integrated high-pressure sealing gasket P1/H1 ensures that even under demanding conditions, the system maintains an optimal seal, protecting your installation from potential leaks and malfunctions. With CE approval and compliance with EN 1856-1 standards, the integrity of your system is assured, meeting both commercial and residential safety standards.
Key Benefits Include:
• Long-lasting durability due to 316L stainless steel construction
• Reliable sealing in both high and low pressure scenarios
• Quick and secure installation with a push-fit jointing system and locking band
• Compatibility with a broad range of applications including condensing systems, boilers, ovens, and ventilation circuits
Detailed Features and Their Benefits
The Increaser 3 Diameters - Ø 600 is engineered to offer superior performance in various settings. Here, we break down its main features:
Modular Single Wall Flue System:
The modularity of the system means you can adapt the flue diameter with ease, ensuring that it fits perfectly with the specifications of your installation. This feature is particularly beneficial in commercial applications where flexibility is paramount.
High-Grade 316L Stainless Steel:
This material is renowned for its exceptional strength and heat resistance. Its corrosion-resistant properties make it ideal for harsh operating environments, ensuring that your investment lasts for years without degradation in performance or appearance.
High-Pressure Sealing Gasket (P1/H1):
Designed to withstand significant pressure variations, the gasket plays a crucial role in maintaining the system’s integrity. It effectively seals the joint, preventing any leaks that could compromise the safety or efficiency of the flue system.
CE Approval and EN 1856-1 Compliance:
Adhering to these stringent standards, the Increaser 3 Diameters satisfies key safety and performance criteria required in the UK and across Europe. This reassures users that the product has been rigorously tested and is safe for both residential and commercial installations.
Push-Fit Jointing System and Locking Band:
Installation is made straightforward with the push-fit mechanism. This system guarantees a secure, quick, and error-free assembly, reducing both time and potential installation costs. The locking band further ensures that once fitted, the components remain securely in place, eliminating the risk of accidental disconnections or leaks.
Installation Best Practices
Proper installation is critical to the performance and safety of any flue system. When installing the Increaser 3 Diameters - Ø 600, always adhere to the following guidelines:
1. Clearance: Always maintain a minimum 50mm clearance from combustible materials such as wood or plasterboard. This is non-negotiable for ensuring safety during prolonged operation.
2. Jointing: Use the provided push-fit jointing system and secure it with the locking band. For high-pressure situations, ensure that jointing gaskets are installed at every connection point.
3. Inspect: After installation, thoroughly inspect all joints and connections to confirm a leak-proof and secure assembly.
4. Professional Advice: Should any uncertainties arise during installation, do not hesitate to consult with a professional installer or contact National Flues directly for expert guidance.
Addressing Common Concerns
Some installers and end-users have reservations about adapting existing systems to new components. The Increaser 3 Diameters - Ø 600 has been designed with these concerns in mind:
Compatibility:
Its design ensures that it integrates seamlessly with existing flue systems, regardless of whether they are used in residential or commercial settings. The product has been engineered to accommodate fluctuations in temperature and pressure, which is essential for long-term reliability.
Maintenance:
Ongoing maintenance is minimal thanks to the high-grade materials and superior design. Routine visual inspections and annual maintenance checks will help ensure the system remains in optimum condition.
Safety:
The stringent safety clearances and high-pressure sealing guarantee that the installation adheres to the highest safety standards. National Flues has ensured that every aspect of the product, from material selection to design, accounts for the safety of both the installer and the end-user.
Optional Accessories to Enhance Your Installation
While the Increaser 3 Diameters - Ø 600 is an outstanding component on its own, there are several optional accessories available to further improve your flue system’s performance and ease of installation. Consider exploring additional components such as extended locking bands, specialised sealing gaskets, and custom joint adapters. These accessories can help tailor your system to specific installation requirements, ensuring optimal performance even under the most challenging conditions. We encourage you to search for these accessories on our website or contact our support team for more information.
Conclusion
The Increaser 3 Diameters - Ø 600 is more than just a flue accessory; it is an investment in performance, safety, and longevity. With its robust construction, easy installation, and compliance with the highest standards of quality and safety, this product provides a comprehensive solution for anyone looking to enhance their flue system. Whether you are upgrading an old installation or designing a new one, you can trust National Flues to deliver excellence every step of the way. Embrace innovation, safety, and efficiency with the Increaser 3 Diameters - Ø 600 and experience the benefits of a superior flue system.
Add to cart or call 01670 206 999.
National Flues Ltd Verdict
National Flues is proud to offer the Increaser 3 Diameters - Ø 600. This versatile and high-quality product is perfect for numerous applications, from boilers to ventilation systems. With reliable nationwide delivery and competitive pricing, we cater to both retail and trade customers.
This product is used to expand the diameter of your flue system, making it compatible with different appliance requirements and improving system capacity.
National Flues is a leading supplier of fireplaces and flues in the UK, known for competitive pricing, reliable delivery, and excellent service to both retail and trade customers.
Secure your high-performance Increaser today for reliable, safe, and efficient flue gas management.
×
Select Product Options
×
Product added
Would you like to keep shopping or head to checkout?