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Boiler adaptor - Ø 800 (3-800-BA-753)

Discover the National Flues Boiler Adaptor - Ø 800, a superior quality flue connection adaptor designed for modern heating systems. Crafted from 316L stainless steel and built to meet EN 1856-1 standards, this adaptor ensures durability and safety for boilers, ovens, ventilation systems, and chimney shaft liners. Enhance your installation with our range of optional accessories for the ultimate flue system solution.
The price you pay today £762.99
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

    High-grade 316L stainless steel construction
    Versatile compatibility with boilers, ovens, ventilation systems, and chimney shaft liners
    CE marked and compliant with EN 1856-1 standards
    Secure push-fit jointing system with an integrated Locking Band
    Suitable for both condensing and non-condensing applications
    Engineered for use within the SWPro modular single wall flue system
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.

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 Boiler adaptor - Ø 800 is an integral component of the SWPro modular single wall flue system, designed to provide a secure and efficient connection to your appliance. Constructed from high-grade 316L stainless steel, this versatile adaptor is suitable for a variety of applications, including boilers, ovens, ventilation systems, and as a chimney shaft liner. The SWPro system supports both high and low temperature applications, whether non-condensing or condensing, and can handle both positive and negative pressure flue gases.

It features a push-fit jointing system secured with a Locking Band, ensuring ease of installation. With a CE mark and compliant with EN 1856-1 standards, this adaptor guarantees both safety and performance. For condensing appliances, seal the adaptor and appliance outlet with silicone sealant, unless the outlet already incorporates a seal.

SKU: 3-800-BA-753

Technical Specifications
Material316L Stainless Steel
ApplicationsBoilers, ovens, ventilation systems, chimney shaft liners
System CompatibilitySWPro modular single wall flue system
ApprovalsCE marked
StandardsEN 1856-1
Operating TemperaturesSuitable for high and low temperature applications, including condensing and non-condensing systems
Installation MethodPush-fit jointing with a secure Locking Band
Clearance To Combustibles50mm minimum
Warranty10 Years
- Always use jointing gaskets on every connection as recommended. - Maintain a minimum clearance of 50mm from any combustible materials for safety. - For condensing appliances, apply silicone sealant at the adaptor and appliance outlet unless a built-in seal is present. - Ensure all components are aligned correctly and the Locking Band is firmly secured to prevent any disconnections. - Follow the manufacturer’s guidelines meticulously to achieve a proper, leak-free installation.

The Boiler Adaptor - Ø 800 is made from high-grade 316L stainless steel, offering durability and resistance to corrosion.

This adaptor is perfect for a wide range of applications, including boilers, ovens, ventilation systems, and as a chimney shaft liner.

Yes, for condensing appliances, it is recommended to seal the adaptor and appliance outlet with silicone sealant unless the appliance outlet already has a seal.

The push-fit jointing system allows easy and secure connection of the flue components. It is further secured using a Locking Band.

The adaptor is CE marked and meets the EN 1856-1 standards for performance and safety.

The adaptor should be installed with jointing gaskets on every joint in P1 and H1 installations. Maintain a 50mm distance from any combustible materials.

Yes, National Flues provides reliable nationwide delivery for both retail and trade customers.

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