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Increaser - Ø 750
Enhance your chimney, flue, and boiler system with National Flues’ Increaser - Ø 750. Engineered from premium 316L stainless steel, this mod Read More...
Enhance your chimney, flue, and boiler system with National Flues’ Increaser - Ø 750. Engineered from premium 316L stainless steel, this modular increaser offers a reliable, CE marked solution for both residential and commercial applications. With its innovative push-fit jointing system and versatile usage in condensing and non-condensing systems, it is the perfect accessory for upgrading existing flue setups, ensuring optimum performance and safety. Less...
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£537.99
with free delivery
Buy with confidence. If you find this cheaper within 48 hours of checkout, we'll refund the difference.
At a Glance
High-grade 316L stainless steel construction
CE marked for safety and quality
Modular SWPro design with push-fit jointing system
High-pressure sealing gaskets for secure connections
Versatile use in both condensing and non-condensing systems
Ideal for commercial and residential applications
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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 Increaser - Ø 750 is part of our SWPro modular single-wall flue system, designed for a wide range of commercial and residential applications. Constructed from high-grade 316L stainless steel, it offers exceptional durability and resistance to corrosion. Our increasers are ideal for both condensing and non-condensing systems, capable of handling flue gases in positive and negative pressure scenarios.The SWPro system features a high-pressure sealing gasket (P1/H1) and is CE marked, ensuring it meets the highest standards in safety and performance.
Its modular design allows for easy installation with a push-fit jointing system secured by a Locking Band. When installing for P1 and H1 requirements, jointing gaskets must be fitted on every joint, ensuring a secure and leak-proof connection.Perfect for use with boilers, ovens, ventilation systems, and as a chimney shaft liner, the Increaser - Ø 750 can seamlessly integrate into your existing setup. We recommend maintaining a safe distance of 50mm from any combustible materials such as wood or plasterboard to ensure optimal performance and safety.
SKU: 3-750-002
Technical Specifications
Material
316L Stainless Steel
System
SWPro Modular
Approvals
CE Marked
Gasket
High-pressure sealing (P1/H1) required on all joints for P1/H1 installations
Flue Gas Handling
Suitable for both positive and negative pressure scenarios
Clearance
50mm required from combustible materials
Warranty
10 Years
Fuels Compatible
Gas, Oil
Diameter
u00d8 750 mm
The Increaser - Ø 750 is designed with a modular push-fit jointing system, secured by a Locking Band, ensuring a straightforward installation process. For systems classified under P1 and H1, it is crucial to fit a jointing gasket on every connection to guarantee a secure and leak-proof setup. Always maintain a 50mm clearance from combustible materials such as wood or plasterboard. For a smooth installation, ensure all components are clean and free of debris before assembly. If you are considering additional accessories—like insulation supports, extra sealing kits, or compatibility with specific flue adaptors—consult the optional accessories section or contact our support team for tailored advice.
The Increaser - Ø 750 is constructed from high-grade 316L stainless steel, ensuring durability and resistance to corrosion.
Yes, the Increaser - Ø 750 is CE marked, meeting stringent European standards for safety and performance.
The Increaser - Ø 750 is ideal for a range of applications, including boilers, ovens, ventilation systems, and as a chimney shaft liner.
The increaser uses a modular push-fit jointing system secured by a Locking Band. For P1 and H1 installations, jointing gaskets must be fitted on every joint.
The Increaser - Ø 750 can handle flue gases in both positive and negative pressure scenarios, making it versatile for various systems.
A clearance of 50mm from any combustible materials such as wood or plasterboard should be maintained around the increaser for safe operation.
Yes, National Flues offers reliable delivery services nationwide, ensuring that both retail and trade customers receive their orders promptly.
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...
The Increaser - Ø 750 by National Flues is an industry-leading solution designed to seamlessly upgrade your existing flue system. Manufactured from high-grade 316L stainless steel, it promises outstanding durability, corrosion resistance, and long-term reliability in both commercial and residential settings. Whether you are retrofitting an old boiler or looking to install a new ventilation system, this increaser provides the perfect junction between safety and performance.
Why Choose the Increaser - Ø 750?
Superior Material Quality: The use of 316L stainless steel not only guarantees a robust construction but also means that your installation is built to withstand harsh conditions without degrading over time. This high-quality material is ideal for applications where both heat and moisture are present, ensuring a long service life.
CE Marked for Safety: Every component of the Increaser has been tested to meet the European CE standards, providing peace of mind with regard to safety and performance. This certification is a testament to the rigorous quality controls put in place during manufacturing.
Modular & Versatile Design: The modular design of the SWPro system is one of its standout features. It allows for a quick, easy installation with a push-fit jointing system secured by a Locking Band. This means that even complex installations can be completed efficiently with minimal tools and expert assistance. Additionally, if your requirements change, you can easily integrate compatible optional accessories such as extra gaskets, insulation supports, or custom adaptors to further enhance system performance.
Key Features and Benefits
- Easy Installation: The push-fit jointing system reduces installation time and complexity, making it a favourite among both professionals and DIY enthusiasts.
- Secure Connections: High-pressure sealing gaskets ensure that each joint is securely fitted, preventing any gas leaks and improving overall system safety.
- Wide Application Range: Ideal for various setups, including boilers, ovens, and ventilation systems. Its flexibility makes it suitable for multiple residential and commercial installations.
- Optimal Clearance Considerations: With a recommended 50mm clearance from combustible materials, the Increaser ensures safe operation under all conditions.
Addressing Common Concerns
When investing in a flue system component, safety and longevity are paramount. You might wonder about the compatibility of this increaser with your existing system. Rest assured, the Increaser - Ø 750 is designed to handle a range of flue gas pressures, both positive and negative, making it a versatile addition. Additionally, while installation is designed to be straightforward, detailed guidelines are provided to ensure that even less experienced installers can achieve a perfect fit.
Some users have queried whether additional accessories might be required. While the core product is highly effective on its own, there are optional accessories available that can further customise your installation. Consider accessories such as enhanced sealing kits, insulation wraps, or specialised adaptors to meet unique installation challenges. These accessories can be easily sourced and integrated to complement the Increaser - Ø 750, ensuring that every aspect of your flue system is optimised.
Installation and Maintenance Tips
For a successful installation, follow these key steps:
1. Preparation: Ensure that all components are clean and the installation area meets the 50mm clearance requirement from any combustible material.
2. Assembly: Utilize the push-fit jointing system for a secure fit, and remember to apply a jointing gasket on every connection for systems requiring P1 or H1 certification.
3. Inspection: Once installed, double-check each connection for any potential leaks and ensure the locking bands are firmly in place.
4. Regular Maintenance: Periodically inspect the system to confirm that all joints remain secure and that no corrosion is developing.
Making the Final Decision
The Increaser - Ø 750 is more than just an accessory—it’s a critical upgrade for ensuring your flue system operates safely and efficiently. National Flues is committed to providing top-notch products that combine performance with ease of installation. With competitive pricing and a robust warranty of 10 years, this product offers excellent value for money. Whether you are a trade professional or a dedicated DIY enthusiast, the benefits of installing the Increaser - Ø 750 extend beyond immediate performance improvements, ensuring that your investment stands the test of time.
In summary, don't compromise on safety or quality when it comes to your flue system. The Increaser - Ø 750 is engineered to provide reliable, long-term performance in a range of applications, backed by a trusted brand renowned for excellence in chimney and flue solutions. Explore our optional accessories to create a fully optimised installation that meets both regulatory standards and your unique needs. Every detail has been considered, from material selection to installation ease, making this product a smart choice for any project.
Add this transformative component to your system and experience the peace of mind that comes with secure, efficient flue operation. buy now or call 01670 206 999.
National Flues Ltd Verdict
The Increaser - Ø 750 is a standout product in our SWPro range. Constructed from high-grade 316L stainless steel, it offers outstanding performance in both high and low-temperature settings. Ideal for both retail and trade customers across the UK, National Flues guarantees reliable delivery and competitive pricing.
The Increaser - Ø 750 is used to increase the diameter of the preceding flue system, ensuring a smooth and secure connection between different sections.
National Flues is a trusted supplier of fireplaces and flues across the UK, offering competitive pricing, reliable delivery, and excellent customer service. Serving both retail and trade customers, National Flues ensures a seamless buying experience with secure online payments.
Don’t delay—upgrade your system with the Increaser - Ø 750 today!
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