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Reducer 3 diameters - Ø 750 (3-550-208)

The Reducer 3 Diameters - Ø 750 by National Flues is a top-tier chimney adaptor that offers seamless integration into your existing flue system. As part of the renowned SWPro Adaptors range, this high-quality reducer is designed to transition diameters efficiently for both commercial and domestic applications. Ideal for chimney, ventilation, and boiler systems, this product ensures optimal performance while meeting rigorous CE marking standards. Explore our extensive range of accessories to further tailor your installation for enhanced efficiency.
£2,053.26
with free delivery Give us a call if you find it cheaper and we'll try to price match.

 

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At a Glance

    Constructed from 316L stainless steel for enhanced durability and corrosion resistance
    Versatile design ideal for boilers, ovens, ventilation systems, and chimney liners
    CE marked according to EN 1856-1 for superior safety and compliance
    Simple push-fit jointing system secured with a Locking Band ensures reliable installation
    Maintains a minimum clearance of 50mm from combustible materials for increased safety

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

The Reducer 3 diameters - Ø 750 is an essential component in the SWPro modular single-wall flue system. Crafted from 316L grade stainless steel, it provides robust performance and longevity. Designed for a variety of applications such as boilers, ovens, ventilation systems, and chimney liners, it handles both high and low temperature environments, as well as non-condensing and condensing systems, with ease.

This concentric reducer works by decreasing the diameter of the proceeding system, ensuring a seamless fit and efficient operation. For installations, it uses a push-fit jointing system secured with a Locking Band and requires a high-pressure sealing gasket (P1/H1) for optimal safety. Always maintain a minimum distance of 50mm from any combustible materials when installing.

The SWPro system is CE marked with designations EN 1856-1 for a range of diameters, ensuring compliance with stringent safety standards.

SKU: 3-550-208

Technical Specifications
SKU3-550-208
Product NameReducer 3 Diameters - u00d8 750
Material316L Stainless Steel (Inner)
SystemSWPro
CE MarkingEN 1856-1 Compliant
ApplicationSuitable for boilers, ovens, ventilation systems, chimney liners
Installation MethodPush-fit jointing secured with a Locking Band; requires P1/H1 high-pressure sealing gasket
Minimum Clearance50mm from combustible materials
Warranty10 Years
Our Price903.98
Retail Price1518.99
• Before installation, ensure that all components are clean and free from debris to guarantee optimum joint integrity. • Check that a minimum clearance of 50mm is maintained from any combustible surfaces to comply with safety regulations. • Use the push-fit jointing system along with the provided Locking Band to secure the reducer in place. This design minimises the need for additional fasteners and accelerates the installation process. • For P1/H1 applications, always fit a high-pressure sealing gasket on every joint to prevent gas leakages and ensure a safe, secure connection. • Always refer to the EN 1856-1 guidelines and manufacturer’s recommendations for additional safety and installation instructions.

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

Yes, SWPro is CE marked and meets the stringent safety standards of EN 1856-1.

It is suitable for various applications such as boilers, ovens, ventilation systems, and chimney liner shafts, handling both high and low temperature flue gases.

It uses a push-fit jointing system secured with a Locking Band. For P1 and H1 installations, joint gaskets need to be fitted on every joint.

Ensure a distance of 50mm is maintained from any combustible materials like wood or plasterboard.

The system’s designation numbers cover diameters from Ø 80 up to Ø 400, with specific EN 1856-1 ratings ensuring compliance.

Yes, the reducer is engineered to handle flue gases in both positive and negative pressure environments.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, May 13th. 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 Reducer 3 diameters - Ø 750 buyers guide

Order now to secure this robust reducer and transform your flue system with confidence.

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