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Adaptor male-male - Ø 650 (3-650-001)

Discover the Adaptor Male-Male - Ø 650 by National Flues; a superior stainless steel flue fitting designed for versatility and durability. This premium adaptor meets EN 1856-1 standards, making it an ideal component for a wide range of applications including boilers, ovens, and ventilation systems. As a trusted brand in chimney flues and heating appliances, National Flues combines quality, safety and reliable performance in every product.
Now only £219.99
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At a Glance

  • Made from high-grade 316L stainless steel for exceptional durability
  • CE marked and compliant with EN 1856-1 standards
  • Versatile design for both condensing and non-condensing applications
  • Suitable for boilers, ovens, ventilation systems, and chimney shaft liners
  • Innovative SWPro push-fit jointing system secured with a locking band
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, August 12th. 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.

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 Adaptor male-male - Ø 650 is part of our top-notch SWPro modular single wall flue system, meticulously constructed from 316 grade stainless steel for exceptional durability and performance. Featuring a high-pressure sealing gasket P1/H1, this universal flue system is suited for both high and low temperature applications, across non-condensing and condensing environments, whether the flue gases are in positive or negative pressure. Perfect for a vast array of uses, including boilers, ovens, ventilation systems, and chimney shaft liners, this adaptor is versatile and reliable.

The SWPro system also boasts CE marking, meeting EN 1856-1 standards, ensuring you receive a product that adheres to strict quality and safety guidelines. Our modular design allows for straightforward installation with a push-fit jointing system, secured by a locking band for added stability. Ensure all jointing gaskets are fitted properly, and maintain a safe 50mm distance from any combustible materials during installation.

SKU: 3-650-001

Technical Specifications
Material316L Stainless Steel
StandardCE Marked, EN 1856-1 Compliant
Diameteru00d8 650
DesignDual male to male configuration, SWPro modular system
ApplicationsBoilers, ovens, ventilation systems, chimney shaft liners
FuelsGas and Oil
Installation ClearanceMinimum 50mm from combustibles
Gasket TypeHigh pressure sealing gasket P1/H1
Warranty10 Years
For optimal performance, ensure that jointing gaskets (provided) are fitted securely at each connection point. The SWPro modular design uses a push-fit jointing system secured with a locking band to simplify installation. When installing, always maintain a minimum distance of 50mm from any combustible materials such as wood or plasterboard. Confirm that each connection is tight and leak-free to support both high and low temperature applications, whether in condensing or non-condensing systems. It is recommended to review the installation manual for detailed step-by-step guidance, and follow all local regulations regarding flue installations. Take extra care to ensure that the flue gases are channelled correctly to provide efficient performance and safety.

The Adaptor Male-Male - Ø 650 is constructed from high-grade 316L stainless steel, ensuring longevity and resistance to corrosion even under high temperatures.

This adaptor is highly versatile and can be used in a range of applications including boilers, ovens, ventilation systems, and as a chimney shaft liner.

The Adaptor Male-Male - Ø 650 is CE marked and conforms to EN 1856-1 standards, which includes designation numbers for various diameters ensuring it meets high quality and safety requirements.

Installation is straightforward with the SWPro modular design. The push-fit jointing system is secured with a locking band. In P1 and H1 installations, make sure to fit jointing gaskets at every joint and maintain a 50mm clearance from any combustible materials.

Yes, the Adaptor Male-Male - Ø 650 is designed to handle flue gases in both positive and negative pressures, making it suitable for a wide range of system requirements.

Indeed, the Adaptor Male-Male - Ø 650 is versatile enough for both condensing and non-condensing applications, supporting its use in various flue systems.

Ensure that you maintain a distance of at least 50mm between the outside of the flue and any combustible materials like wood or plasterboard to comply with safety standards.

What our experts say!

"The Adaptor Male-Male - Ø 650 is a versatile and essential component for any high-quality flue system. National Flues is proud to supply this outstanding product with reliable delivery nationwide to both retail and trade customers."

The Adaptor Male-Male - Ø 650 is used to connect different sections within a flue system, ensuring a secure and efficient pathway for flue gases in both domestic and commercial settings.

National Flues is a leading supplier of fireplaces and flue systems in the UK, known for competitive pricing, reliable nationwide delivery, and excellent service to retail and trade customers alike.

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