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Boiler adaptor - Ø 125 (3-125-BA-148)

Discover National Flues' Boiler Adaptor - Ø 125, an essential component of our high-quality SWPro modular flue system designed for superior performance in both condensing and non-condensing applications. Crafted from 316L stainless steel, this reliable and efficient adaptor is perfect for connecting boilers, ovens, and ventilation systems, ensuring your installation meets the highest safety standards. Elevate your flue system with this robust and versatile solution that seamlessly integrates wit Read more...
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At a Glance

    Crafted from high-grade 316L Stainless Steel
    CE marked and EN 1856-1 compliant
    Versatile compatibility with boilers, ovens & ventilation systems
    Designed for both condensing and non-condensing applications
    Secure push-fit jointing system with a reliable Locking Band
    High-pressure sealing gasket for optimal safety and performance
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:

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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 Boiler adaptor - Ø 125 is a crucial component of our SWPro modular single wall flue system, meticulously crafted from high-grade 316L stainless steel. Designed for high durability, this flue system is ideal for both high and low-temperature applications, whether condensing or non-condensing. With its high-pressure sealing gasket (P1/H1), the SWPro system ensures a safe, efficient, and universal flue solution suitable for various appliances including boilers, ovens, and ventilation systems.

The SWPro is CE marked and meets EN 1856-1 standards, offering quality assurance and peace of mind. Installation is straightforward with a push-fit jointing system secured by a Locking Band. For P1 and H1 installations, jointing gaskets must be fitted on every joint to maintain a safe distance of 50mm from any combustible materials.

SKU: 3-125-BA-148

Technical Specifications
Model3-125-BA-148
Sizeu00d8 125
Material316L Stainless Steel
StandardsEN 1856-1, CE marked
Warranty10 Years
Distance To Combustibles50mm
Installation TypePush-fit with Locking Band
Installation is straightforward with the SWPro system. Ensure each joint is fitted with a high-pressure sealing gasket for P1 and H1 configurations. Use the push-fit jointing system secured by a Locking Band, and when connecting to condensing appliances, apply silicone sealant unless a built-in seal is provided. Always maintain a minimum clearance of 50mm from combustible materials and adhere strictly to the manufacturer’s guidelines to ensure optimal performance and safety.

The Boiler Adaptor - Ø 125 is used to connect the SWPro flue system to various appliances, ensuring a secure and efficient setup.

Yes, the adaptor is suitable for both condensing and non-condensing applications, making it a versatile choice for numerous setups.

The Boiler Adaptor - Ø 125 is crafted from high-grade 316L stainless steel, ensuring durability and longevity.

The adaptor is installed using a push-fit jointing system secured by a Locking Band, with jointing gaskets fitted on every joint for P1 and H1 installations.

The Boiler Adaptor - Ø 125 is CE marked and complies with EN 1856-1 standards, ensuring quality and safety.

Yes, the adaptor is versatile and can be used with boilers, ovens, ventilation systems, and as a chimney shaft liner.

Yes, National Flues offers reliable nationwide delivery for the Boiler Adaptor - Ø 125, catering to both retail and trade customers.

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