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Boiler adaptor - Ø 300 (3-300-BA-253)

National Flues offers the high-quality Boiler Adaptor - Ø 300, a robust stainless steel flue connector designed for both commercial and domestic installations. Ideal for high temperature and low temperature environments, this boiler adaptor seamlessly integrates with your SWPro flue system, ensuring safe, efficient ventilation for gas and oil-fuelled appliances. Trust National Flues for durable, EN 1856-1 compliant, CE marked products that set the standard in flue installation solutions.
The price you pay today £116.99
including free delivery Give us a call if you find it cheaper and we'll try to price match.

 

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At a Glance

    Made from high-grade 316L stainless steel
    Suitable for both condensing and non-condensing applications
    CE marked per EN 1856-1 standards
    Versatile for commercial and domestic installations
    Easy push-fit installation with a locking band and high-pressure sealing gasket provided
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, June 17th. 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:

  • Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
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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).

“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.

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

Our Boiler adaptor - Ø 300 is part of the SWPro modular single wall flue system, constructed from high-grade 316L stainless steel, ensuring durability and longevity. This versatile flue adaptor is perfect for connecting to various appliances including boilers and ovens, and is suitable for both non-condensing and condensing applications. The SWPro system supports positive and negative pressure applications and operates efficiently in both high and low temperature environments.

Each joint is secured using a push-fit system with a locking band, complemented by a high-pressure sealing gasket in P1 and H1 installations. Rest assured, the SWPro system is CE marked, complying with EN 1856-1 standards.

SKU: 3-300-BA-253

Technical Specifications
ModelBoiler Adaptor - u00d8 300
Material316L Stainless Steel
StandardsEN 1856-1, CE Marked
Fuel CompatibilityGas, Oil
Pressure ApplicationsPositive and Negative Pressure
Temperature RangeHigh and Low Temperature Environments
Installation SystemPush-fit joint with locking band
SealingHigh-pressure sealing gasket for P1 and H1 installations
Distance To CombustiblesMinimum 50mm
Warranty10 Years
Installation Instructions: Ensure strict adherence to the manufacturer's guidelines. The SWPro system utilises a push-fit joint secured with a locking band for a reliable connection. For P1 and H1 installations, fit a sealing gasket on every joint and ensure a minimum distance of 50mm from combustible materials. For condensing appliances, apply silicone sealant where an existing seal is absent. Always verify that your appliance specifications match the adaptor requirements to maintain safety compliance.

The Boiler Adaptor - Ø 300 is made from high-grade 316L stainless steel, known for its durability and resistance to corrosion.

Yes, this adaptor is designed for efficient functioning in both high and low temperature environments.

Absolutely! The adaptor is suitable for both non-condensing and condensing applications.

The SWPro system is CE marked and complies with EN 1856-1 standards.

The SWPro system uses a push-fit jointing system secured with a locking band. For P1 and H1 installations, jointing gaskets should be fitted on every joint and a 50mm distance should be maintained from combustible materials.

Yes, the high-pressure sealing gasket required for P1 and H1 installations is included.

Yes, National Flues provides reliable nationwide delivery for all their products.

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