The 16/20 – 22mm Connex is a heavy-duty PEX gas fitting designed for professional LPG gas installations where a larger diameter gas line is required. This fitting is commonly used by qualified gas installers for high-capacity gas reticulation systems in residential, commercial, and light industrial applications.
Manufactured for strength and long-term reliability, the 22mm Connex fitting provides a secure connection within 16–20mm PEX gas systems where increased gas flow is needed. It is ideal for main supply lines feeding multiple appliances such as gas stoves, gas hobs, gas geysers, gas fireplaces, heaters, and commercial gas equipment.
PEX gas systems are widely preferred due to their resistance to corrosion, vibration, and scale build-up. The 1620 – 22mm Connex complements these benefits by offering excellent pressure handling and temperature resistance, ensuring consistent gas delivery in demanding LPG environments.
The robust design allows installers to route gas pipework efficiently while maintaining system safety and compliance. When installed using the appropriate PEX press or crimp system, this fitting provides a leak-free seal that meets professional safety and installation standards.
Its size makes it especially suitable for main gas distribution lines, plant rooms, manifold connections, and installations where higher gas volumes are required.
This fitting is suitable for:
– Main LPG gas supply lines
– Gas distribution manifolds
– Residential and commercial gas reticulation
– High-demand gas appliance installations
– Professional installer toolkits and system builds
Whether used in new installations, upgrades, or expansions, the 16/20 – 22mm Connex offers installers a dependable and compliant solution for large-diameter PEX gas systems.















