Boiler adaptor - Ø 500
At a Glance
- High-grade 316L stainless steel construction
- Designed for both condensing and non-condensing applications
- Suitable for high and low temperature environments
- Secure, push-fit connection with SWPro modular flue system
- 10-year warranty & CE marked for safety and reliability

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 500 by National Flues is a versatile and essential component for efficient flue systems. Constructed from high-grade 316L stainless steel, this adaptor supports a wide range of applications, including boilers, ovens, ventilation systems, and chimney shaft liners. Its 500mm diameter ensures a secure connection to your appliance, designed for both positive and negative pressure environments.
This adaptor is ideal for both high temperature and low temperature settings, suitable for non-condensing and condensing appliances alike. For optimal safety and performance, sealing with silicone sealant is recommended for condensing applications unless an appliance-integrated seal is in place.
SKU: 3-500-BA-548
Technical Specifications | |
---|---|
Material | 316L Stainless Steel |
Diameter | 500 mm |
Certifications | CE Marked |
Warranty | 10 Years |
Fuels Supported | Gas, Oil |
Distance To Combustibles | 50 mm |
System Compatibility | SWPro Modular Flue System |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 25th. 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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The Boiler Adaptor Ø 500 is a top-tier component in our extensive range, boasting unparalleled quality and versatility. Suitable for various setups, it ensures optimal performance and safety. With Nationwide delivery and reliable service to both retail and trade customers, we ensure you get the best product at unbeatable prices.
The Boiler Adaptor Ø 500 connects the SWPro modular flue system to various appliances, ensuring safe and efficient operation across a range of temperatures and pressure environments.
National Flues is a leading supplier of fireplaces and flue systems across the UK, known for unbeatable prices, reliable delivery, and exceptional service for both retail and trade customers.
