John Guest Female Connector 12mm x 1/2" BSP – CM451214FS

The John Guest Female Connector is a practical push-fit fitting for campervan, motorhome, caravan and marine water systems. It connects 12mm pipe to a 1/2" BSP female threaded connection, providing a neat solution for leisure vehicle plumbing.

Featuring John Guest push-fit technology, the fitting allows 12mm pipe to be connected quickly without specialist tools. The female thread connects to compatible 1/2" BSP male fittings.

John Guest Female Connector

The CM451214FS is useful when connecting 12mm pipework to threaded components within a fresh water system. Its compact design makes it well suited to installations where space may be limited.

The fitting is manufactured from durable acetal and uses O-ring sealing for a secure connection. It is suitable for both hot and cold potable water systems.

Key Features

• Product Type: Female push-fit connector
• John Guest Part Number: CM451214FS
• Pipe Connection: 12mm push-fit
• Thread Connection: 1/2" BSP female
• Push-fit design for straightforward installation
• Suitable for hot and cold potable water
• Durable acetal construction
• Suitable for leisure vehicle and marine plumbing systems
• Ideal for new installations, repairs and upgrades

Typical Uses

This 12mm female connector can be used with a range of compatible threaded plumbing components.

Typical applications include:

• Connecting 12mm pipe to water pumps
• Tap and mixer installations
• Water heater connections
• Accumulator connections
• Campervan and motorhome fresh water systems
• Caravan plumbing
• Marine water systems

Always check that the 1/2" BSP connection is compatible with the component being installed.

Installation

Before fitting, cut the 12mm pipe cleanly and squarely. Check the end of the pipe for damage before inserting it.

Push the pipe fully into the connector to create a secure connection. The threaded end can then be connected to a compatible 1/2" BSP male fitting.

Once installed, check all connections carefully for leaks before putting the water system into normal use.

Care & Maintenance

Periodically inspect the 12mm female connector and surrounding pipework for signs of leaks, damage or wear. Keep connections clean and ensure the pipe remains correctly seated within the fitting.

For campervan, caravan and motorhome plumbing projects, the John Guest Female Connector provides a compact and straightforward way to connect 12mm pipework to threaded equipment.