Description
The Watts F121528 is a 1-1/4″ relief valve rated at 150 PSI, engineered to provide dependable overpressure protection in hydronic heating, plumbing, and mechanical systems. Designed and built to Watts’ exacting standards, this relief valve automatically opens to discharge excess pressure before it can cause damage to piping, boilers, or connected equipment — then reseats securely once safe operating pressure is restored.
Key Features
- 150 PSI pressure relief rating for robust overpressure protection
- 1-1/4″ connection size for compatibility with a wide range of hydronic and plumbing installations
- Automatic pressure relief action — opens under excess pressure, reseats upon return to normal operating conditions
- Durable construction built to Watts quality standards for long service life
- Designed for use in hydronic heating systems, boiler applications, and general plumbing pressure relief
Specifications
- Brand: Watts
- Model / SKU: F121528
- Connection Size: 1-1/4″
- Pressure Rating: 150 PSI
- Valve Type: Relief Valve
Applications
- Hydronic heating and hot water boiler systems
- Commercial and residential plumbing pressure relief
- Mechanical rooms requiring code-compliant pressure protection
- Any system requiring a reliable 150 PSI pressure relief point at a 1-1/4″ connection
