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Adaptor male-male - Ø 250 (3-250-001)

National Flues presents the Adaptor Male-Male Ø 250, a superior stainless steel flue fitting designed for high and low temperature applications in boilers, ovens, and ventilation systems. Part of the renowned SWPro modular flue system, this adaptor offers excellent durability and performance that meets strict EN 1856-1 standards. Discover a comprehensive range of flue accessories at National Flues, catering to both residential and commercial needs with reliability and unmatched quality.
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At a Glance

    Crafted from durable 316L Stainless Steel

    Complies with EN 1856-1 and CE standards

    Reliable push-fit joint system with a locking band

    Suitable for high and low temperature applications

    Versatile for boilers, ovens, and ventilation systems

    Maintains a 50mm clearance for enhanced safety

Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 8th. This is based on current lead times for this product. 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 on 01670 206 999. 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.

Best 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.

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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.
  • 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 Adaptor Male-Male Ø 250 is an essential component in the SWPro modular single wall flue system, crafted from 316L grade stainless steel. This universal flue system boasts a high-pressure sealing gasket, suitable for both high and low temperatures in non-condensing and condensing settings. Ideal for boilers, ovens, ventilation systems, and chimney shaft liners, this adaptor is CE marked and adheres to rigorous standards including EN 1856-1.

With a push-fit jointing system made secure by a Locking Band and required joint gaskets for safety in P1 and H1 installations, the Adaptor Male-Male Ø 250 ensures a reliable and efficient fit. Remember to observe a 50mm clearance from any combustible materials during installation.

SKU: 3-250-001

Technical Specifications
Material316L Stainless Steel
StandardsEN 1856-1, CE Marked
Diameter Rangeu00d8 250 up to u00d8 400
InstallationPush-fit joint with Locking Band
Clearance Requirement50mm from combustibles
ApplicationsBoilers, Ovens, Ventilation systems, Chimney shaft liners
Warranty10 Years
Ensure proper installation by following these steps: 1) Verify a minimum clearance of 50mm from all combustible materials; 2) Use the supplied push-fit joint system and secure the connection with the locking band; 3) Install the appropriate joint gaskets for P1 and H1 configurations; 4) Carefully inspect all connections for a secure, tight fit. Always adhere to the manufacturer’s guidelines and local building regulations to guarantee a safe and efficient installation.

The adaptor is made of high-grade 316L stainless steel for durability and excellent resistance to corrosion.

This adaptor is ideal for a range of applications including boilers, ovens, ventilation systems, and chimney shaft liners.

The Adaptor Male-Male Ø 250 uses a push-fit jointing system secured by a Locking Band. Joint gaskets are required for P1 and H1 installations, and a 50mm clearance from any combustible material should be maintained.

Yes, the Adaptor Male-Male Ø 250 is CE marked, ensuring it meets high safety and quality standards.

This adaptor complies with EN 1856-1: T200 H1 W Vm L50050 O(50), suitable for diameters ranging from Ø 250 up to Ø 400.

Yes, the adaptor is designed for use with flue gasses in both positive and negative pressure environments.

Maintaining a 50mm clearance prevents potential fire hazards and ensures safety by reducing the risk of heat-induced damage to surrounding materials.

What our experts say!

"At National Flues, we're proud to offer the Adaptor Male-Male Ø 250. With its high-grade stainless steel construction and versatile application, this is a top choice for both retail and trade customers across the UK. As always, we guarantee reliable delivery and the most competitive prices."

The Adaptor Male-Male Ø 250 is used to connect sections of a modular flue system, ensuring efficient and safe ventilation and gas exhaust.

National Flues is a leading supplier of fireplaces and flues across the UK. We cater to both trade and retail customers, offering top-quality products with reliable delivery and competitive prices.

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