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Reducer - Ø 750 (3-650-008)

National Flues proudly presents the Reducer - Ø 750, a high-quality stainless steel flue reducer designed for reliable performance in boilers, ovens, and ventilation systems. As part of the robust SWPro modular flue system, this product meets stringent EN 1856-1 standards and is CE marked, ensuring safety and efficiency. Ideal for those seeking to transition between flue diameters, this versatile reducer promises durability and ease of installation, making it the preferred choice among professio Read more...
The price you pay today £2,050.99
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At a Glance

    Constructed from high-grade 316L stainless steel
    CE marked and compliant with EN 1856-1 standards
    High-pressure sealing gasket (P1/H1) for secure performance
    Efficient push-fit jointing system with locking band
    Versatile reducer designed for seamless flue diameter transition
    Ensures a safe 50mm clearance from combustible materials
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, June 13th. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

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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.

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:

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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.

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

The Reducer - Ø 750 is an integral part of the SWPro modular flue system, designed with versatility and durability in mind. Constructed from high-grade 316L stainless steel, this reducer is built to last. It features a high-pressure sealing gasket (P1/H1), ensuring a secure fit in both high and low-temperature environments, suitable for condensing and non-condensing applications.Approved and CE marked, the SWPro system's impeccable quality is verified by EN 1856-1 standards.

This reducer works seamlessly across a range of flue diameters. The installation is straightforward thanks to its push-fit jointing system, which is further secured by a locking band. For P1 and H1 setups, jointing gaskets should be applied to each joint to maintain safety and efficiency.

Additionally, ensuring a 50mm clearance from combustible materials is crucial to prevent hazards.

SKU: 3-650-008

Technical Specifications
Material316L Stainless Steel
Reducer Sizeu00d8 750 to u00d8 650
SystemSWPro modular flue system
SealingHigh-pressure gasket (P1/H1)
CertificationCE marked, EN 1856-1 compliant
InstallationPush-fit jointing system with locking band
Clearance50mm from combustibles
Warranty10 Years
ApplicationSuitable for both condensing and non-condensing systems
Installation of the Reducer - Ø 750 is designed to be straightforward. Start by ensuring your flue system meets the required 50mm clearance from any combustible materials. The reducer utilises a push-fit jointing system which simplifies the assembly process, but for added security on P1 and H1 configurations, make sure to apply jointing gaskets at every joint. A locking band is also recommended for an extra-tight fit. It is worthwhile to explore our range of optional accessories, including additional jointing gaskets and locking bands, which can further enhance the ease and safety of your installation. Follow the manufacturer’s instructions carefully and always adhere to local building regulations.

The Reducer - Ø 750 is constructed from high-grade 316L stainless steel, known for its durability and resistance to corrosion.

Yes, the Reducer - Ø 750 and the entire SWPro flue system are CE marked, ensuring they meet European safety and performance standards.

The Reducer - Ø 750 is versatile, suitable for boilers, ovens, ventilation systems, and can be used as a chimney shaft liner.

Installation is easy with its push-fit jointing system secured by a locking band. For P1 and H1 installations, jointing gaskets are required on every joint, and a 50mm clearance from combustible materials should be maintained.

The reducer comes with a high-pressure sealing gasket rated P1/H1, suitable for both positive and negative pressure environments.

The Reducer - Ø 750 is designed to reduce from larger diameters to smaller ones, compatible with the SWPro system's range.

The Reducer - Ø 750 complies with EN 1856-1 standards, showcasing its quality and safety in high and low-temperature applications.

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