Description
Overview
The Watts F274944 is a 1-inch relief valve preset to open at 35 PSI, providing dependable overpressure protection for hydronic heating systems, boilers, water heaters, and related plumbing applications. Engineered to Watts’ exacting quality standards, this valve automatically releases excess pressure to safeguard system components, piping, and connected equipment from damage caused by pressure surges.
Key Features
- 1″ connection size for straightforward installation into standard piping
- 35 PSI preset relief setting for accurate, consistent overpressure protection
- Automatic pressure relief operation — opens when system pressure exceeds set point
- Durable construction built to Watts quality standards for long service life
- Suitable for hydronic heating systems, boilers, water heaters, and plumbing applications
Application
The Watts F274944 relief valve is ideal for use in residential and light commercial hydronic systems, closed-loop heating circuits, and potable or non-potable water systems where a 35 PSI pressure relief point is required. It serves as a critical safety device, protecting system integrity and ensuring code-compliant installations.
Specifications
- Brand: Watts
- Model / SKU: F274944
- Connection Size: 1″
- Relief Pressure Setting: 35 PSI
- Valve Type: Pressure Relief Valve







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