Description
The Watts F121504 is a 1-inch relief valve rated at 125 PSI, engineered to provide reliable overpressure protection in hydronic heating systems, plumbing applications, and related fluid-handling installations. Watts is a globally recognized leader in flow control and water quality solutions, and this relief valve upholds that reputation with a robust construction designed for long service life and consistent performance.
Key Features
- 1-inch valve connection size for straightforward installation into standard piping systems
- 125 PSI pressure rating provides a defined relief threshold to protect system components from overpressure conditions
- Durable construction built to Watts’ exacting quality standards
- Designed for use in hydronic heating, potable water, and general plumbing systems
- Compact, serviceable design suitable for commercial and residential applications
Application
Relief valves are a critical safety component in pressurized fluid systems. When system pressure exceeds the valve’s set point, the valve opens to discharge fluid and relieve excess pressure, protecting boilers, water heaters, piping, and other system components from damage. The Watts F121504 is ideal for use in hydronic heating systems, pressure vessels, and water supply applications where a 125 PSI relief threshold is required.
Why Choose Watts?
Watts Water Technologies has been a trusted name in the HVAC and plumbing industry for over a century. Their relief valves are manufactured to meet rigorous performance and safety standards, making them a go-to choice for contractors and engineers seeking dependable overpressure protection.
Specifications
- Brand: Watts
- Model / SKU: F121504
- Connection Size: 1 inch
- Pressure Rating: 125 PSI
- Valve Type: Relief Valve







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