Adaptor female-female - Ø 650
At a Glance
- Constructed from high-grade 316L Stainless Steel for exceptional durability
- CE marked and EN 1856-1 compliant, ensuring top safety standards
- High-pressure sealing gasket with P1/H1 ratings guarantees a leak-free fit
- Modular push-fit jointing system with Locking Band for quick, secure assembly
- Versatile application across boilers, ovens, ventilation systems, and chimney shaft liners

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 Adaptor Female-Female Ø 650 is a key component in our SWPro modular single wall flue system. Crafted from superior 316L stainless steel, this flue adaptor is designed to handle both high and low-temperature applications, making it suitable for boilers, ovens, ventilation systems, and chimney shaft liners. Its robust design includes a high-pressure sealing gasket with P1/H1 ratings, ensuring a seamless fit in both positive and negative pressure environments.
The modular design with a push-fit jointing system and Locking Band secures the structure firmly, while jointing gaskets provide additional security when needed. CE marked and compliant with EN 1856-1 standards, this adaptor promises durability and performance, making it an ideal choice for both domestic and commercial installations.
SKU: 3-650-003
Technical Specifications | |
---|---|
SKU | 3-650-003 |
Material | 316L Stainless Steel |
System | SWPro |
Approvals | CE, EN 1856-1 |
Designations | T200 H1 W Vm L50040 O(50) (u00d8 80 up to u00d8 200); T200 H1 W Vm L50050 O(50) (u00d8 250 up to u00d8 400) |
Clearance | 50mm from combustibles |
Warranty | 10 Years |
Gasket Ratings | P1/H1 |
Suitable For | Gas, Oil applications |
Applications | Boilers, Ovens, Ventilation Systems, Chimney Shaft Liners |
Installation System | Modular push-fit with Locking Band |
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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
At National Flues, we are proud to offer the Adaptor Female-Female Ø 650 as part of our SWPro range. This high-quality component is CE marked and constructed from 316L stainless steel. It is a reliable choice for both retail and trade customers, and our nationwide delivery ensures you get what you need when you need it.
The Adaptor Female-Female Ø 650 is designed to connect sections of a flue system, suitable for a variety of high and low-temperature applications including boilers, ovens, ventilation systems, and chimney shaft liners.
National Flues is a leading UK supplier of high-quality fireplaces and flues. Known for our unbeatable prices and reliable delivery, we serve both retail and trade customers nationwide.
