15MM JG 312 COMPACT PRV

The JG 312 Compact Pressure Reducing Valve is a small, reliable PRV designed to regulate mains water pressure and protect domestic plumbing fixtures and appliances. Manufactured by Reliance Worldwide Corporation (UK) Ltd, it features 15mm John Guest Speedfit push-fit connections for quick installation on copper or plastic pipe. The valve maintains a stable outlet pressure despite inlet fluctuations, helping to reduce noise and extend system life.

Factory set to approximately 3.0 bar, the outlet pressure can be adjusted to suit the application. The compact body incorporates a strainer to guard against debris and a gauge port for pressure checking. Suitable for hot and cold potable water systems.

• 15mm JG Speedfit push-fit connections
• Compact pressure reducing valve for domestic water systems
• Factory set around 3.0 bar; adjustable outlet pressure (approx. 1.5–6.0 bar)
• Built-in strainer and gauge port
• Helps protect taps, showers, valves, and appliances
• Maintains constant downstream pressure
• WRAS approved
• Max inlet pressure up to 16 bar; max working temperature up to 65°C
• Install horizontally or vertically, observing flow direction