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Non-concentric increaser - Ø 150 (3-150-004)

National Flues presents the Non-concentric Increaser Ø 150, an essential accessory for any chimney flue or heating system upgrade. Crafted from high-grade 316L stainless steel, this increaser is designed to extend your flue system's diameter while preventing condensate pooling, making it ideal for both high and low temperature applications. With its secure push-fit joint system and CE marking, this product exemplifies quality and safety, perfectly complementing boilers, ovens, and ventilation systems. Explore our range of flue accessories and enhance your installation with reliable, industry-approved components.
£73.99
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At a Glance

    Increases flue system diameter efficiently
    Crafted from high-grade 316L stainless steel for durability
    Designed to prevent condensate pooling in inclined runs
    Suitable for both high and low temperature applications
    Incorporates a secure push-fit jointing system with locking band
    CE marked, ensuring compliance with European standards
    Requires a minimum clearance of 50mm from combustible materials

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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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).

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The Non-concentric Increaser Ø 150 is a crucial component within the SWPro modular single wall flue system, constructed from high-grade 316L stainless steel. Designed to seamlessly increase the system diameter while minimizing the risk of condensate pooling, it's ideally suited for both high and low-temperature applications. This versatile flue system can be used with boilers, ovens, ventilation systems, and as a chimney shaft liner.

The SWPro system features a push-fit jointing system with a locking band for secure installation. Each joint requires a high-pressure sealing gasket for P1 and H1 installations. Ensure a minimum clearance of 50mm from any combustible materials for safety.

The system is CE marked, indicating compliance with European standards.

SKU: 3-150-004

Technical Specifications
SKU3-150-004
Product NameNon-concentric Increaser - u00d8 150
Material316L Stainless Steel
SystemSWPro Modular Single Wall Flue
Applicable FuelsGas, Oil
ApprovalsCE
Warranty10 Years
Minimum Clearance50mm
When installing the Non-concentric Increaser Ø 150, ensure the entire flue system is positioned with a minimum clearance of 50mm from any combustible materials such as wood or plasterboard. The product should be connected using the SWPro push-fit jointing system, secured by a locking band to maintain a robust connection. High-pressure sealing gaskets are essential for both P1 and H1 installations to achieve a leak-proof joint. Follow all manufacturer guidelines and local building regulations to ensure a safe and long-lasting installation.

The purpose of a Non-concentric Increaser is to increase the diameter of a flue system, especially in inclined runs, while preventing condensate pooling.

The increaser is made from high-grade 316L stainless steel, known for its durability and resistance to corrosion.

Yes, it is suitable for both high and low-temperature applications, making it versatile for various systems like boilers, ovens, and ventilation.

The Non-concentric Increaser Ø 150 requires a push-fit jointing system secured with a locking band and high-pressure sealing gaskets for P1 and H1 installations. Ensure a clearance of 50mm from any combustible materials.

Yes, the product is CE marked, indicating it meets European standards for safety and performance.

Yes, the Non-concentric Increaser Ø 150 is suitable for use in both positive and negative pressure systems.

Ensure there is a minimum clearance of 50mm from combustible materials like wood and plasterboard to prevent any fire hazards.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, May 15th. 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 Non-concentric increaser - Ø 150 buyers guide

Enhance your chimney flue system with the Non-concentric Increaser Ø 150 – upgrade your installation today.

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