Description
The Watts F384292 is a heavy-duty 2″ Series 740 iron boiler pressure relief valve engineered to deliver dependable overpressure protection for hot water heating systems. Factory-set at 50 psi, this valve automatically opens to safely discharge excess pressure, safeguarding your boiler and connected piping from potentially dangerous overpressure conditions. The Series 740 design is a trusted choice among HVAC professionals and hydronic heating contractors who demand reliability and long service life.
Key Features
- 2″ valve size for high-capacity boiler installations
- Series 740 iron body construction for durability and corrosion resistance
- Factory-set relief pressure: 50 psi
- Expanded outlets for improved discharge flow capacity
- Discharge line flood sensor included — provides early warning of valve activation or discharge line leaks
- Designed for hot water boiler and hydronic heating system applications
- Watts brand quality — a globally recognized leader in flow control and pressure management
Discharge Line Flood Sensor
This valve ships complete with a discharge line flood sensor, adding an important layer of system monitoring. The flood sensor detects moisture at the discharge outlet, alerting building owners or technicians to valve activation or unexpected water presence — helping prevent property damage and enabling proactive maintenance.
Application
The Watts F384292 is ideal for commercial and residential boiler systems requiring a 2″ pressure relief valve rated at 50 psi. The expanded outlet configuration accommodates higher discharge volumes, making it well-suited for larger boiler installations where rapid pressure relief is critical.
Why Choose Watts Relief Valves
Watts is a globally recognized leader in flow control, pressure management, and water quality solutions. The Series 740 line is engineered to meet the demands of professional HVAC and hydronic heating installations, providing peace of mind through proven performance and code-compliant design.







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