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Reducer - Ø 250 (3-175-008)

National Flues presents the Reducer Ø 250, a high-quality stainless steel flue adaptor engineered for both commercial and residential applications. This robust reducer is designed for flawless diameter adaptation within the SWPro flue system, ensuring compliance with EN 1856-1 standards. Ideal for adapting boilers, ovens, and various ventilation systems, the Reducer Ø 250 embodies the reliability and excellence synonymous with National Flues.
The price you pay today £98.99
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At a Glance

    Made from high-grade 316L stainless steel for superior durability
    Designed for seamless flue diameter adaptation within the SWPro system
    CE marked and compliant with strict EN 1856-1 standards
    Suitable for boilers, ovens, ventilation systems, and chimney shaft liners
    Utilises a secure push-fit jointing system with a Locking Band
    Maintains a safe 50mm distance from combustible materials
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, June 27th. 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.

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.

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

We Won't Be Beaten On Price

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.

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

The Reducer Ø 250 is an integral component of the SWPro modular single wall flue system, specifically designed to adapt the flue diameter seamlessly. Crafted from high-grade 316L stainless steel, this reducer is incredibly robust and built to last. Its versatile construction makes it suitable for a range of applications, including boilers, ovens, ventilation systems, and chimney shaft liners.

The SWPro system is CE marked and adheres to precise standards, ensuring both safety and high performance. Installation is straightforward with the push-fit jointing system, secured with a Locking Band. For P1 and H1 installations, jointing gaskets must be used on every connection, maintaining a safe 50mm distance from combustible materials.

SKU: 3-175-008

Technical Specifications
Material316L Stainless Steel
SystemSWPro
StandardsEN 1856-1, CE Marked
Diameter RangeØ 80 up to Ø 200; Ø 250 up to Ø 400 variants available
Distance To Combustibles50mm
Warranty10 Years
Fuel CompatibilityGas, Oil
InstallationPush-fit joint with Locking Band and jointing gaskets for P1/H1 setups
Installation is simple and straightforward. Begin by ensuring that all connecting surfaces are clean and free from debris. The Reducer Ø 250 utilizes a modular push-fit system, which gently slides into place and is secured using a Locking Band. For P1 and H1 installations, it is crucial to use jointing gaskets at every connection point to guarantee a tight seal and maintain the mandatory 50mm distance from combustible materials. Always refer to your installation manual and follow the safety guidelines to ensure maximum performance and safety.

The Reducer Ø 250 is made from high-grade 316L stainless steel, ensuring durability and longevity.

The reducer is suitable for boilers, ovens, ventilation systems, and as a chimney shaft liner.

Yes, the SWPro system, including the Reducer Ø 250, is CE marked, meeting stringent quality and safety standards.

The reducer uses a modular push-fit jointing system secured with a Locking Band. Ensure jointing gaskets are fitted on every connection in P1 and H1 installations, and maintain a 50mm distance from combustible materials.

Absolutely, the Reducer Ø 250 is suitable for both high and low-temperature applications, as well as non-condensing and condensing scenarios.

Yes, National Flues provides reliable nationwide delivery for both retail and trade customers.

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