Description
Watts F383025 Pressure Relief Valve Overview
The Watts F383025 is a heavy-duty pressure relief valve engineered to provide dependable overpressure protection in hydronic heating systems, boilers, and related hot-water applications. With a 1-1/4″ connection size, a 40 PSI set pressure, and an impressive 2,590,000 BTU/hr relief capacity, this valve is sized for high-output commercial and residential heating systems where system safety and code compliance are non-negotiable.
Key Features
- 1-1/4″ inlet connection for straightforward integration into standard piping
- 40 PSI factory-set relief pressure for precise overpressure protection
- 2,590,000 BTU/hr rated relief capacity to handle high-output boiler and hydronic applications
- Watts engineering and quality construction for long-term reliability
- Designed to open automatically when system pressure exceeds the set point, protecting equipment and occupants
- Compact, robust valve body suitable for tight mechanical room installations
Application
The Watts F383025 relief valve is ideal for use on hot-water boilers, hydronic heating systems, and pressure vessels where a reliable, code-compliant pressure relief device is required. Its 40 PSI set point and 2,590,000 BTU/hr capacity make it well-suited for larger residential and light commercial heating plants.
Why Choose Watts Relief Valves
Watts is a globally recognized leader in flow control and water quality products. Their relief valves are manufactured to meet stringent industry standards, delivering consistent performance, accurate set-point actuation, and long service life — giving contractors and building owners confidence that their systems are protected.
Specifications
- SKU: F383025
- Brand: Watts
- Connection Size: 1-1/4″
- Set Pressure: 40 PSI
- Relief Capacity: 2,590,000 BTU/hr
- Valve Type: Pressure Relief Valve
- Application: Hydronic heating, boilers, hot-water systems







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