John Guest 12mm Shut Off Valve Speed Fitting (PPMSV041212W)

The John Guest 12mm Shut Off Valve (PPMSV041212W) is a reliable in-line push-fit isolation valve designed for campervan, motorhome, caravan and marine water systems. It allows you to quickly and easily control or isolate water flow within your 12mm plumbing setup.

Featuring John Guest’s trusted Speedfit push-fit technology, this valve connects directly to 12mm pipe without the need for tools, clamps or sealants. Simply push the pipe into each end for a secure, leak-tight connection. The quarter-turn valve handle provides smooth and positive shut-off control, making it ideal for isolating appliances, taps, showers or water heaters.

Manufactured from durable, high-quality materials and suitable for hot and cold potable water systems, this shut off valve is perfect for both professional conversions and DIY camper builds.

Key Features

• 12mm push-fit in-line shut off valve
• John Guest part number: PPMSV041212W
• Quarter-turn isolation control
• Tool-free Speedfit installation
• Suitable for hot and cold potable water
• Ideal for campervan, caravan & motorhome plumbing systems

Typical Uses

• Isolating sinks or shower feeds
• Installing before water heaters or boilers
• Adding isolation to pump or accumulator lines
• Sectioning off parts of a campervan water system

A must-have component for safe and practical plumbing layouts, allowing easy maintenance and system control.