



John Guest 12 mm connectors provide a reliable push fit option for low pressure water systems in caravan, marine, irrigation, and light commercial environments. Each connector delivers a fast and secure joint without tools, supporting consistent performance in portable and fixed water layouts.
Connectors are manufactured from robust engineering plastics that resist corrosion, scale, and chemical wear. They suit polyethylene, PEX, and other compatible plastic tubing commonly used in 12 mm push fit plumbing systems.
Each connector is designed for dependable installation and long term service, helping reduce downtime during maintenance or system upgrades.
John Guest fittings are recognised for precision fit and stable sealing across caravan, marine, and commercial plumbing systems. Hose Suppliers Australia carries a full range of 12 mm connectors with local stock in Brisbane and the Gold Coast and supply available across Australia.