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Discover unmatched quality with National Flues' Non-concentric Increaser 2 Diameters - Ø 700. This premium chimney accessory is crafted from high-grade 316L stainless steel and is fully compliant with EN 1856-1 standards. Perfectly suited for both condensing and non-condensing flue systems, this innovative flue adapter enhances efficiency and safety across boilers, ovens, and ventilation systems. Improve your chimney's performance with a product engineered for durability and reliability.
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£1,322.99
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 for durability CE marked and compliant with EN 1856-1 standards Adaptable design for both condensing and non-condensing applications Push-fit jointing system secured with a locking band for easy installation Engineered for optimal performance in inclined flue runs, preventing condensate pooling
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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.
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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 Non-concentric increaser 2 diameters - Ø 700 is an essential component for effective chimney and flue systems. Designed by industry leaders, this increaser is crafted from high-grade 316L stainless steel, ensuring durability and resistance against high temperatures and corrosive flue gases. The SWPro modular single wall flue system it belongs to is CE marked and meets rigorous European standards: 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.
Ideal for use in boilers, ovens, ventilation systems, and as a chimney shaft liner, this non-concentric increaser adapts to both condensing and non-condensing applications, supporting positive and negative pressure. Its push-fit jointing system with a locking band ensures easy installation, while the high-pressure sealing gasket keeps the system airtight. Ensure a 50mm gap from any combustible material to maintain safety compliance.
SKU: 3-700-104
Technical Specifications
SKU
3-700-104
Diameter
u00d8 700
Material
316L Stainless Steel
Standards
EN 1856-1: T200 H1 W Vm L50040 O(50) and EN 1856-1: T200 H1 W Vm L50050 O(50)
System
SWPro modular single wall flue system
Fuels
Gas, Oil
Approvals
CE
Safety Distance
50mm from combustible materials
Warranty
10 Years
Before installation, ensure that the area maintains a minimum gap of 50mm from any combustible material. Utilize the push-fit jointing mechanism and secure joints with the locking band. For installations using P1 and H1 modules, it is essential to fit a jointing gasket on every joint to guarantee an airtight seal. Always verify that the increaser is correctly aligned to prevent condensate pooling and to maintain system efficiency. If unsure at any stage, consult professional installation guidelines or contact our support team for assistance.
The Non-concentric Increaser 2 Diameters - Ø 700 is primarily used to increase the system diameter in flue setups, especially effective in inclined runs to prevent condensate pooling.
It is made from high-grade 316L stainless steel, ensuring durability and resistance against high temperatures and corrosive gases.
Yes, it's designed to handle both condensing and non-condensing applications, supporting positive and negative pressure flue gases.
When installing, ensure to maintain a 50mm gap from any combustible material such as wood or plasterboard to meet safety compliance.
Yes, the SWPro modular single wall flue system is CE marked and meets the stringent EN 1856-1 standards.
The system utilizes a push-fit jointing mechanism secured with a locking band. For P1 and H1 installations, a jointing gasket must be fitted on every joint.
Yes, National Flues offers competitive trade accounts, ensuring reliable service and excellent pricing for trade customers.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Friday, May 16th. 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.
National Flues proudly presents the Non-concentric Increaser 2 Diameters - Ø 700, a state-of-the-art solution designed to enhance the performance and safety of your flue system. In this comprehensive buyer’s guide, we explore detailed features, offer installation tips, and address common concerns to help you make an informed decision. Whether you are a trade professional or a retail enthusiast, this guide ensures that you understand the superior benefits of integrating this product into your setup.
Product Overview
The Non-concentric Increaser is meticulously engineered using 316L stainless steel, a material renowned for its strength and resistance to high temperatures and corrosive gases. Its dual-diameter design makes it an indispensable component when an increase in flue system diameter is required, especially in inclined runs where condensate pooling can lead to efficiency loss. With its CE marking and compliance with EN 1856-1 standards, the product meets stringent European safety and performance criteria, making it an ideal choice for boilers, ovens, and various furnace systems.
Performance and Reliability
Exceptional Durability: The utilisation of 316L stainless steel ensures that your flue system remains robust even under demanding conditions. This inherent durability translates to fewer maintenance headaches and long-term cost savings.
Enhanced Efficiency: The increaser’s unique design facilitates a smoother transition between different flue diameters, which assists in the optimal flow of gases and minimises the risk of condensate formation. This ensures a consistent and efficient performance whether you are dealing with condensing or non-condensing systems.
Safety First: The product is built to maintain a safe distance of 50mm from any combustible materials. This, along with the secure locking band and airtight push-fit joints, adds an extra layer of security to your flue installation.
Installation Guide
Ease of Installation: The Non-concentric Increaser is designed with the installer in mind. Its intuitive push-fit mechanism means that even those with limited installation experience can achieve a solid and secure set-up. Follow these simple steps:
- Ensure all components are clean and free from debris.
- Confirm the alignment of the increaser with both the existing flue system and the new section being added.
- Use the locking band to secure the push-fit joints effectively. For enhanced safety, always apply a jointing gasket on every joint when using systems that require it.
- Maintain a strict 50mm gap between the increaser and any combustible material to remain compliant with safety standards.
Professional Assistance: If at any point the installation seems challenging or if you have any doubts, consulting with a professional can save time and prevent potential issues. The National Flues support team is also available to offer guidance and answer any installation-related queries.
Warranty, Approvals and Safety Considerations
A significant selling point of our Non-concentric Increaser is its 10-year warranty, underscoring the quality and durability of the product. Coupled with its CE marking and adherence to European EN 1856-1 standards, you are assured of a product that meets rigorous safety and performance criteria. These features are particularly important in commercial installations where long-term reliability cannot be compromised.
Addressing Common Objections
Cost vs. Value: While the initial cost may seem higher than some alternatives, the long-term savings from reduced maintenance, enhanced safety, and improved performance make the Non-concentric Increaser a worthwhile investment.
Installation Concerns: Many potential buyers worry about the installation complexity. However, thanks to the push-fit mechanism and clear guidelines, installing the increaser is straightforward. Detailed instructions help mitigate installation errors, ensuring a secure and effective setup.
System Compatibility: Some users question whether a single product can cater to both condensing and non-condensing applications. This product has been engineered with dual functionality in mind, guaranteeing optimal performance in a variety of configurations, supported by rigorous testing and compliance with industry standards.
Final Considerations
Choosing National Flues' Non-concentric Increaser means opting for a product that combines quality, safety, and unmatched performance. It is an investment in the longevity of your chimney system, reducing future maintenance issues and ensuring that your installation remains efficient over time. The design not only meets professional standards but also provides a reliable solution built to last, giving you the confidence to trust in every installation. For those seeking excellence in both form and function, this increaser is the clear choice.
We encourage you to thoroughly assess your flue system needs and consider how this innovative component can resolve common performance issues such as condensate pooling and inefficient gas flow. With the backing of a 10-year warranty and adherence to strict European standards, the decision to integrate this increaser is both logical and forward-thinking.
Make an informed investment in your flue system and elevate its performance with National Flues' solution. Add to cart today or call 01670 206 999.
Ensure enduring performance and safety—order your Non-concentric Increaser today!
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