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Increaser 2 diameters - Ø 250 (3-250-102)
National Flues presents the Increaser 2 Diameters - Ø 250, a premium modular flue adaptor designed to expand your installation with unmatched precision and durability. Engineered from high-quality 316L stainless steel, this product stands out for its superior performance in both condensing and non-condensing applications. Enhance your boiler, oven, or chimney liner system with this reliable, CE certified solution, and experience the perfect blend of safety, efficiency, and ease of installation.
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£185.99
with free delivery
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
High-grade 316L stainless steel construction Seamless flue diameter transition for versatile systems CE marked to EN 1856-1 standards for safety High-pressure sealing gasket (P1/H1) ensures secure performance Suitable for both condensing and non-condensing applications Compatible with gas and oil fuel systems
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Please Note: All dimensions refer to the internal diameter of flues.
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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.
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 2 diameters - Ø 250 is an essential component in our SWPro modular single-wall flue system. Constructed from high-grade 316L stainless steel, this increaser is designed to seamlessly expand your flue system's diameter. Featuring a high-pressure sealing gasket (P1/H1), the SWPro system is suitable for both high and low-temperature environments.
Whether you're dealing with non-condensing or condensing applications, positive or negative pressure, this increaser is versatile enough to handle it all. Ideal for boilers, ovens, ventilation systems, and as a chimney liner, it meets CE standards with its robust design and ease of installation. Ensure you maintain a 50mm distance from any combustible material to guarantee safety.
SKU: 3-250-102
Technical Specifications
Material
316L Stainless Steel
Safety Certification
CE (EN 1856-1)
Sealing Type
High-pressure sealing gasket (P1/H1)
Temperature Range
Suitable for high & low temperature applications
Minimum Clearance
50mm from combustible materials
System Compatibility
SWPro Modular Flue System
Warranty
10 Years
Flue Diameter Conversion
u00d8 250 (expands from lower diameters)
Fuel Compatibility
Gas, Oil
• Ensure that the flue system is completely cool and de-energised before commencing work. Maintain a minimum clearance of 50mm from any combustible materials. • Clean the connecting surfaces thoroughly to ensure a proper seal. • Align the increaser carefully within the SWPro modular system and secure it using the provided locking band. • Follow the manufacturer's instructions and refer to EN 1856-1 standards for detailed guidance. • Perform a final inspection to confirm that all joints are secure and properly aligned.
The increaser is made from high-grade 316L stainless steel, offering excellent durability and resistance to corrosion.
Yes, the increaser is suitable for both high and low-temperature environments, making it versatile for various applications.
This increaser is ideal for use with boilers, ovens, ventilation systems, and as a chimney liner.
Absolutely, the increaser features a push-fit jointing system secured with a locking band, making installation quick and easy.
Yes, the increaser is CE marked and adheres to EN 1856-1 standards.
Ensure you maintain a minimum distance of 50mm from the outside of the flue to any combustible materials such as wood or plasterboard.
Yes, the increaser is versatile enough to be used in both condensing and non-condensing applications.
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.
The Increaser 2 Diameters - Ø 250 is an essential component for anyone looking to extend or modify their flue system. Designed and manufactured by National Flues, this high-quality product offers a perfect solution for safely increasing the diameter of your flue. Manufactured from robust 316L stainless steel, it not only guarantees durability but also ensures excellent performance in both high and low-temperature environments.
Product Overview
This increaser is engineered to allow for a reliable and leak-free transition in your flue system. Its high-pressure sealing gasket (P1/H1) is specifically designed to withstand demanding conditions, making it ideal for both condensing and non-condensing applications. Whether integrated into a residential boiler setup or incorporated into a complex commercial installation, the Increaser 2 Diameters - Ø 250 ensures that your system maintains optimum efficiency and safety.
Key Features and Benefits
- High-Quality Material: Constructed from 316L stainless steel, this increaser is built for longevity and resistance to corrosion, ensuring a sustainable investment.
- Seamless Transition: The product is designed to provide a smooth and secure diameter change, thereby enhancing the overall performance of your flue system.
- Safety First: With CE marking in compliance with EN 1856-1 standards, it offers peace of mind by adhering to strict safety regulations.
- Versatile Application: It is perfectly suited for various installations, including boilers, ovens, and chimney liners, while being compatible with both gas and oil fuel systems.
Technical Specifications
The Increaser 2 Diameters - Ø 250 comes with several technical features that make it a reliable component:
• Manufactured from high-grade 316L stainless steel for unmatched durability
• Utilises a high-pressure sealing gasket for enhanced performance
• Meets CE and EN 1856-1 certification standards ensuring full compliance
• Designed for both condensing and non-condensing systems
• Suitable for gas as well as oil fuel applications
Installation Guidelines
Preparation
Before beginning the installation process, ensure that all necessary safety precautions are observed. The flue system should be completely cool, and any active appliances must be switched off. Confirm that the installation area is clear and that you have all the required tools and components.
Installation Process
1. Clearance: Verify that there is a minimum clearance of 50mm from any combustible material, including wood and plasterboard. This is critical for ensuring safety during and after installation.
2. Cleaning: Clean the surfaces of the existing flue system to ensure a seamless connection. Any debris or residue could compromise the effectiveness of the seal.
3. Fitting the Increaser: Carefully align the increaser with the existing flue module. The product is designed for a push-fit installation which is then secured with a locking band, ensuring minimal risk of leakages or misalignment.
4. Final Inspection: After installation, visually inspect the joint to confirm that the connection is secure and that there are no gaps. This step is crucial to guarantee that the flue system will function safely and efficiently.
Addressing Common Objections
Durability Concerns
One common question is the longevity of this part. The use of 316L stainless steel ensures that this increaser will maintain its integrity over time, even under strenuous conditions. Routine maintenance and inspections will help prolong its lifespan.
Ease of Installation
Many users worry about the complexity of installation. However, the Increaser 2 Diameters - Ø 250 has been designed with a user-friendly approach, ensuring a straightforward and hassle-free installation process. Detailed guidelines, as provided by National Flues, ensure that even those with limited technical expertise can complete the installation safely.
Safety and Compliance
Safety is always a priority when dealing with flue systems. This product meets the strict standards of CE marking and EN 1856-1 certification, giving you full confidence in its performance and reliability. Adherence to the recommended installation guidelines further ensures that your system will remain safe and compliant with industry regulations.
Expert Recommendations
For those who are planning a flue system upgrade or repair, it is highly advisable to consult with a qualified professional before starting the installation process. National Flues is committed to providing exceptional customer service and support, ensuring that every installation is carried out safely and efficiently. Keeping a record of all components and maintenance activities can also help in future service or warranty claims.
Final Thoughts
The Increaser 2 Diameters - Ø 250 is a testament to National Flues' commitment to quality and safety. Its advanced design, coupled with the use of premium materials and rigorous safety standards, makes it an ideal choice for anyone looking to upgrade their flue system. By choosing this product, you are investing in a solution that offers long-term reliability and enhanced performance, ultimately leading to improved safety and efficiency in your flue installation.
Ready to upgrade your flue system? Add to cart now or call 01670 206 999.
Secure your Increaser 2 Diameters - Ø 250 today for a swift and reliable flue system enhancement.
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