Description
The Watts F275404 (Model 174A-125-FS) is a 1-inch pressure relief valve rated at 125 PSI, engineered to safeguard hydronic heating systems, boilers, and plumbing installations from dangerous overpressure conditions. Designed and built to Watts’ exacting standards, this relief valve provides dependable, automatic pressure protection — venting excess pressure before it can cause system damage or create safety hazards.
Key Features
- Model: 174A-125-FS
- Connection size: 1 inch
- Set pressure: 125 PSI
- Automatic pressure relief to protect boilers, hydronic systems, and plumbing equipment
- Durable construction for long service life in demanding HVAC and plumbing applications
- Trusted Watts quality and engineering
Typical Applications
- Hydronic heating systems and hot water boilers
- Closed-loop plumbing and pressure vessels
- Commercial and residential HVAC installations requiring overpressure protection
Why Choose Watts Relief Valves?
Watts is a globally recognized leader in flow control and water quality products. Their relief valves are engineered for precision set-point accuracy, reliable actuation, and code-compliant performance — giving contractors and building owners confidence that their systems are protected.
