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Boiler adaptor - Ø 800 (3-800-BA-798)

Discover the exceptional quality of the Boiler Adaptor - Ø 800, a leading component in the SWPro modular flue system from National Flues. Crafted from 316L stainless steel, this adaptor is engineered for excellence in connecting boilers, ovens, and various condensing and non-condensing appliances. With its robust build and compliance with EN 1856-1 standards, this adaptor not only secures your flue system but also upholds the highest safety and performance standards in the industry. Ideal for bo Read more...
The price you pay today £774.99
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At a Glance

    Made from durable 316L Stainless Steel
    Robust push-fit jointing system with secure locking bands
    Complies with EN 1856-1 standards and carries CE marking
    Suitable for both condensing and non-condensing applications
    Ensures a safe 50mm clearance from combustibles
    Versatile compatibility with diverse appliances including boilers, ovens, and ventilation systems
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, June 9th. 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]

Our Boiler adaptor - Ø 800 is a vital component in the SWPro flue system, known for its robustness and versatility. Crafted from high-grade 316L stainless steel, this adaptor is designed to connect the SWPro modular flue to your appliance, ensuring a secure and efficient flue system. The SWPro system itself is renowned for its use in various high-temperature, low-temperature, condensing, and non-condensing applications, making it ideal for boilers, ovens, ventilation systems, and chimney liners.With CE marking and compliance with EN 1856-1 standards, you can trust the quality and safety of our adaptors.

For easy and secure installation, the SWPro features a push-fit jointing system with dependable locking bands. In systems requiring P1 and H1 installations, remember to fit jointing gaskets on every joint. Maintaining a 50mm distance from combustible materials ensures further safety.

SKU: 3-800-BA-798

Technical Specifications
Material316L Stainless Steel
Applicable StandardsEN 1856-1, CE Marking
SystemSWPro Modular Flue
FuelsGas, Oil
Safety Distance50mm from combustibles
JointingPush-fit with secure locking bands
Warranty10 Years
For a secure installation, begin by ensuring that the adaptor is firmly connected using the push-fit jointing system accompanied by the locking bands. For systems requiring P1 or H1 installations, always fit jointing gaskets on every joint to maintain a proper seal. It is imperative to maintain a minimum distance of 50mm from any combustible materials (such as wood or plasterboard) to ensure safety. When using the adaptor with condensing appliances, apply silicone sealant to the connection—unless the appliance outlet already includes a built-in seal—to prevent any potential leaks.

The Boiler Adaptor - Ø 800 is used for connecting the SWPro modular flue system to your appliance, ensuring efficient function and safety.

Yes, it is suitable for both condensing and non-condensing applications. When used with condensing appliances, seal the adaptor and the appliance outlet with silicone sealant unless the appliance has an in-built seal.

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

Ensure jointing gaskets are fitted on every joint for P1 and H1 installations, and maintain a 50mm distance from any combustible materials such as wood or plasterboard.

The adaptor is CE marked and complies with EN 1856-1 standards, ensuring high safety and quality.

It features a push-fit jointing system secured with a locking band. For condensing systems, additional sealing with silicone sealant may be required.

Yes, it is versatile and can be used in applications including boilers, ovens, ventilation systems, and as a chimney shaft liner.

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