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Antiwind top terminal - Ø 125 (3-125-112)

Discover the National Flues Antiwind Top Terminal Ø 125 – a high-quality, robust component engineered to deliver superior wind protection for your flue systems. Constructed from premium 316L stainless steel and CE marked to meet EN 1856-1 standards, this terminal is ideal for both condensing and non-condensing applications. Perfect for boilers, ovens, and chimney shaft liners, our flue system solution guarantees enhanced performance and safety. Enhance your setup with our optional accessories fo Read more...
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At a Glance

    Built-in wind protection for optimal flue performance
    316L Stainless Steel construction ensures durability
    CE approved and compliant with EN 1856-1 standards
    Versatile for both condensing and non-condensing applications
    Secure push-fit jointing system with Locking Band for a reliable fit
    Requires a 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 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.

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

The Antiwind top terminal - Ø 125 is an essential component for your flue system, providing top-notch wind protection to ensure optimal performance. This terminal is part of the SWPro modular single wall flue system, manufactured from 316L grade stainless steel, ensuring durability and resistance to high-pressure environments. The SWPro system is versatile, suitable for high and low temperature applications, both non-condensing and condensing, with flue gases in positive and negative pressure settings.

It's an ideal choice for boilers, ovens, ventilation systems, and chimney shaft liners. Approved and CE-marked, this flue system meets all industry standards, ensuring safety and reliability. The push-fit jointing system with a Locking Band ensures secure installation, and the inclusion of jointing gaskets in P1 and H1 installations guarantees a tight seal.

Keep a 50mm distance from combustible materials to avoid hazards.

SKU: 3-125-112

Technical Specifications
Product NameAntiwind Top Terminal - u00d8 125
Material316L Stainless Steel
Diameter125 mm
StandardsEN 1856-1: T200 H1 W Vm L50040 O(50) for u00d8 125, with variants up to u00d8 200 and u00d8 250 up to u00d8 400
SystemSWPro Modular Single Wall Flue System
Fuel CompatibilityGas, Oil
CertificationsCE Marked
Installation MethodPush-fit jointing with Locking Band and P1/H1 jointing gaskets
Clearance50mm from combustible materials
Warranty10 Years
To install the Antiwind Top Terminal, begin by ensuring that the flue system is positioned at least 50mm away from any combustible materials. The push-fit jointing system with a Locking Band guarantees a secure connection. During installation, use the provided jointing gaskets for both P1 and H1 setups to ensure a tight, durable seal. Follow all manufacturer guidelines and consult the installation manual for any system-specific details. Remember, proper alignment is crucial to avoid fitting issues and to maintain the overall integrity and safety of the flue system. If you require additional accessories, such as extra jointing gaskets or locking bands, please explore our comprehensive range of flue system accessories.

The Antiwind Top Terminal is made from high-grade 316L stainless steel, ensuring durability and resistance to corrosion.

Yes, the Antiwind Top Terminal is suitable for both non-condensing and condensing applications.

Yes, the SWPro system features a push-fit jointing system with a Locking Band for secure and straightforward installation.

The terminal is CE marked and meets EN 1856-1 standards for various applications.

Ensure there's a 50mm distance from the outside of the flue to any combustible materials like wood and plasterboard.

It can be used in boilers, ovens, ventilation systems, and as a chimney shaft liner.

Its built-in wind protection and high-pressure sealing gasket make it a reliable choice for various temperature and pressure settings.

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