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Boiler adaptor - Ø 250 (3-250-BA-173)

The boiler adaptor Ø 250 is an essential component for any SWPro modular stainless steel flue system installation. National Flues offers this premium, CE marked adaptor, perfectly suited for boilers, ovens, and ventilation systems. Its versatility enhances safety and performance in both condensing and non-condensing applications, making it a vital choice for reliable, high-quality flue setups.
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At a Glance

    Constructed from high-grade 316L stainless steel

    CE marked for assured quality and safety

    Modular design suitable for diverse condensing and non-condensing applications

    Push-fit jointing system with secure locking band

    Compatible with boilers, ovens, ventilation systems, and chimney shaft liners

Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 8th. This is based on current lead times for this product. 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 on 01670 206 999. 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.

Best 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 250 is part of the SWPro modular single wall flue system, skillfully crafted from high-grade 316L stainless steel for robust durability and performance. This adaptable flue component is suitable for both high and low temperature settings, catering to non-condensing and condensing applications with flue gases in both positive and negative pressure scenarios. With its CE mark approval, you can trust the quality and safety of this adaptor, which is perfect for use with boilers, ovens, ventilation systems, and as a chimney shaft liner.

The modular design features a push-fit jointing system supplemented by a locking band for secure connections. For P1 and H1 installations, remember to install jointing gaskets at each connection. Additionally, always maintain a safe distance of 50mm from any combustible materials during installation.

SKU: 3-250-BA-173

Technical Specifications
SKU3-250-BA-173
Material316L Stainless Steel
Sizeu00d8 250
SystemSWPro
CE ApprovalYes
Warranty10 Years
Distance To Combustibles50mm
Compatible FuelsGas, Oil
When installing the Boiler Adaptor Ø 250, always use the modular push-fit jointing system complemented by a locking band to secure connections. For P1 and H1 installations, ensure that jointing gaskets are installed at every connection point. For condensing appliances, apply silicone sealant between the adaptor and the appliance outlet unless the appliance is pre-equipped with a built-in seal. Additionally, maintain a minimum clearance of 50mm from any combustible materials to comply with safety standards.

The Boiler Adaptor Ø 250 is constructed from high-grade 316L stainless steel, ensuring durability and performance in a variety of conditions.

Yes, the Boiler Adaptor Ø 250 is CE marked, providing assurance of its quality and safety standards.

Absolutely! This adaptor is designed for both high and low temperature settings, making it suitable for non-condensing and condensing applications with flue gases in either positive or negative pressure.

The adaptor features a modular push-fit jointing system that is secured with a locking band. For P1 and H1 installations, ensure jointing gaskets are fitted at every joint and maintain a distance of 50mm from any combustible materials.

This adaptor is versatile and can connect to boilers, ovens, ventilation systems, and can also be used as a chimney shaft liner.

The thickness of the stainless steel varies depending on the flue diameter, ensuring optimal performance for its specified size.

For condensing appliances, seal the adaptor and appliance outlet with silicone sealant unless the appliance already has a seal at the outlet.

What our experts say!

"The Boiler Adaptor Ø 250 is a reliable and essential component for any modular flue system installation. At National Flues, we are proud to offer this high-quality product with secure online payments and nationwide delivery, serving both retail and trade customers."

The Boiler Adaptor Ø 250 is used to securely connect the SWPro flue system to various appliances, ensuring safe and efficient ventilation and exhaust management.

National Flues is a leading supplier of fireplaces and flues across the UK, known for competitive pricing, reliable delivery, and excellent service to both retail and trade customers.

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