Boiler adaptor - Ø 650
At a Glance
- High-grade 316L Stainless Steel construction
- Seamless push-fit jointing system with secure Locking Band
- CE marked and EN 1856-1 compliant for safety and quality
- Versatile performance for both condensing and non-condensing applications
- Suitable for both positive and negative pressure environments

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]
- Info
- Specs
- Install
- FAQs
The Boiler Adaptor Ø 650 is an integral part of the SWPro modular flue system, designed for a seamless connection to your heating appliance. Constructed from high-grade 316L stainless steel, it guarantees durability and excellent performance under various conditions. The SWPro system is engineered to handle both high and low-temperature flue gasses, making it suitable for non-condensing and condensing applications in positive and negative pressure environments.
CE marked and compliant with EN 1856-1 standards, this adaptor is perfect for broad applications including boilers, ovens, ventilation systems, and chimney shaft liners.Featuring a push-fit jointing system and secured with a Locking Band, the Boiler Adaptor Ø 650 ensures a tight, secure fit. For P1 and H1 installations, it is essential to fit jointing gaskets on every joint and maintain a 50mm distance from combustible materials. Additional sealing with silicone sealant is recommended when used with condensing appliances unless the appliance outlet already includes a seal.
SKU: 3-650-BA-698
Technical Specifications | |
---|---|
SKU | 3-650-BA-698 |
Material | 316L Stainless Steel |
Certifications | CE, EN 1856-1 |
Distance To Combustibles | 50mm |
Pressure Compatibility | Positive and Negative |
Compatible Applications | Boilers, Ovens, Ventilation Systems, Chimney Shaft Liners |
Warranty | 10 Years |
Our Price | 227.38 |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 29th. If you need faster stove or fireplace delivery please give us a call. We can often 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. Mi-Flex offers a lifetime guarantee. 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. If you find it cheaper within 48 hours, we'll refund the difference.
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National Flues Ltd Verdict
The Boiler Adaptor Ø 650 is an excellent choice for both retail and trade customers due to its high-quality construction and versatility. National Flues proudly delivers this product nationwide, ensuring competitive prices and reliable service.
The Boiler Adaptor Ø 650 is designed to connect the SWPro flue system to heating appliances, ensuring a secure and efficient setup for various heating requirements.
National Flues is a leading supplier of fireplaces and flues across the UK, known for competitive pricing, reliable delivery, and exceptional service to retail and trade customers.
