PEX System
Flowflex PEX System – durable, reliable, and easy to install. Designed for secure brass-to-PEX connections in water systems, central heating, and underfloor heating. Built to BS EN 1254-3 standards with a 25-year guarantee for long-lasting performance.
Features & Benefits
Quality Brass Connections for Plastic Pipe Systems
Flowflex PEX fittings is our solution for connecting brass fittings to PEX pipe. Fittings come manufactured with an insert and are supplied with a split olive to allow for a firm joint.
Our PEX range, 16mm and 20mm, brings quality and reliability to your localised water system and is suitable for use central heating and underfloor heating systems. Our PEX system range includes Brass Fittings, Valves, Manifolds, Pipe and Pipe Sheaths for a full system solution.
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Mechanical, Heat-Free Joint
Flowflex PEX fittings provide secure, mechanical joints without the need for heat, ensuring safety and simplicity during installation.
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Can be installed on wet pipework
These fittings can be installed when the pipework is wet without compromising the integrity of the joint, increasing the speed and flexibility of your installations.
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Compatible With Our PEX Pipe
Our PEX fittings are fully compatible with Flowflex PEX pipes, ensuring seamless integration and optimal performance.
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Manufactured to BS EN 1254-3
Adhering to BS EN 1254-3 standards, our PEX fittings ensure high quality, reliability, and longevity in every application.
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Guaranteed for 25 years
Enjoy peace of mind with our 25-year guarantee, ensuring long-lasting performance and durability of Flowflex PEX fittings.
Products
Our Full Selection of Products
Discover Flowflex PEX fittings for reliable brass-to-PEX connections. Our 16mm and 20mm fittings ensure quality and durability for water systems, central heating, and underfloor heating. With mechanical, heat-free joints, wet pipework installation, and full PEX compatibility, they meet BS EN 1254-3 standards and come with a 25-year guarantee. Click to explore our full range of Brass Fittings, Valves, Manifolds, Pipes, and Pipe Sheaths.
Learn More
Support
Technical Support
Explore our comprehensive guides on technical specifications, installation instructions, and available downloads to get the most out of our products. Should you need more help or have any questions, our expert support team is readily available to assist you.
General Specification
Frequently Asked Questions
Can’t find the answer you’re looking for? Reach out to our customer support team.
Contact SupportWhat Are PEX Fittings For?
Our PEX range is suitable for use on central heating and underfloor heating systems. Our PEX system range includes brass fittings, valves, manifolds, pipe and pipe sheaths for a full system solution.
What Sizes Of PEX Fittings Do You Stock?
We stock a full range of PEX fittings from 16mm to 20mm.
Do I Need Any Special Tools To Install PEX Fittings?
No, like standard compression fittings all you need is an adjustable spanner, a pipe cutter and an internal & external pipe deburring tool. We have listed the required PEX Pipe specifications on our installation page.
How Is The Connection Made?
PEX fitting joints are made when the integrated split olive is compressed between the pipe and the fitting. A pipe support must be used when installing on PEX Pipe, full details can be found on our installation page.
Any Questions?
Our team is available for you anytime.