Description
Watts F121547 125 PSI 1-1/2″ Relief Valve
The Watts F121547 is a 1-1/2″ relief valve rated at 125 PSI, engineered to provide dependable overpressure protection in hydronic heating systems, plumbing applications, and related fluid-handling installations. Built to Watts’ exacting quality standards, this relief valve automatically opens to discharge excess pressure when system pressure exceeds the set point, safeguarding equipment, piping, and personnel from potentially dangerous overpressure conditions.
Key Features
- 125 PSI pressure relief rating for robust overpressure protection
- 1-1/2″ valve size for high-flow system compatibility
- Automatic pressure relief operation — opens at set pressure, reseats when pressure normalizes
- Designed for hydronic heating, plumbing, and fluid-handling systems
- Manufactured by Watts, a trusted leader in flow control and water quality solutions
- Durable construction for long service life in demanding applications
Specifications
- Brand: Watts
- Model / SKU: F121547
- Valve Size: 1-1/2″
- Pressure Rating: 125 PSI
- Valve Type: Relief Valve
Applications
- Hydronic heating and boiler systems
- Commercial and residential plumbing systems
- Pressure vessels and fluid distribution systems
- Any application requiring reliable overpressure protection at 125 PSI







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