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Reducer 3 diameters - Ø 200 (3-125-208)

National Flues offers the Reducer 3 Diameters - Ø 200, a premium flue adaptor designed to reduce the diameter of your existing exhaust system with precision. Engineered from 316L stainless steel and compliant with EN 1856-1 standards, this adaptable product is perfect for both commercial and residential environments. Enhance your chimney, ducting, and ventilation system with a solution that stands as a benchmark in reliability and performance.
The price you pay today £278.99
including 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

    High-Quality 316L Stainless Steel
    EN 1856-1 and CE Certified
    Versatile for condensing and non-condensing applications
    Push-fit jointing system with secure locking bands
    Suitable for boilers, ovens, ventilation systems and chimney shaft liners
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, June 20th. 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:

  • Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
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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 Reducer 3 diameters - Ø 200 is designed to seamlessly decrease the diameter of your existing flue system. Constructed from high-grade 316L stainless steel, this modular single wall flue system is engineered for long-lasting durability and high performance. Certified with EN 1856-1 standards, it is suitable for both high and low temperature applications, non-condensing and condensing environments, and positive or negative pressure systems.

Ideal for use with boilers, ovens, ventilation systems, and as a chimney shaft liner, the SWPro system ensures secure fitting and safe operation. Installation is straightforward with a push-fit jointing system and secure locking bands, though make sure to include jointing gaskets for P1 and H1 installations and maintain a 50mm distance from combustibles.

SKU: 3-125-208

Technical Specifications
Model3-125-208
Diameter Reductionu00d8200 to smaller sizes (e.g. 150ID to 130ID)
Material316L Stainless Steel
CertificationsEN 1856-1, CE
SystemSWPro
ApplicationsBoilers, Ovens, Ventilation Systems, Chimney Shaft Liners
Clearance50mm from combustibles
Warranty10 Years
For a successful installation, ensure that jointing gaskets are available when carrying out P1 and H1 connections. The push-fit jointing system and locking bands are designed for simplicity, but it is crucial to maintain a minimum clearance of 50mm from any combustible material. Always verify alignment and ensure all fittings are firmly secured. Follow the manufacturer’s guidelines closely, as this will assist in achieving a leak-free, safe assembly. Detailed inspection before and after installation is recommended to confirm that all connections are optimal.

The SWPro system is a modular single wall flue system made from 316 grade stainless steel, suitable for various temperature and pressure applications.

Yes, the Reducer 3 Diameters - Ø 200 is CE marked and complies with EN 1856-1 standards.

The reducer is made from high-grade 316L stainless steel, ensuring durability and reliability in various conditions.

Yes, it is suitable for both condensing and non-condensing applications.

The reducer uses a push-fit jointing system with locking bands, and jointing gaskets are recommended for P1 and H1 installations to ensure a secure fit.

Ensure a minimum distance of 50mm from any combustible material when installing the reducer.

This reducer is ideal for use in boilers, ovens, ventilation systems, and as a chimney shaft liner.

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