Description
Watts F274479 — 3/4″ 40 PSI Relief Valve
The Watts F274479 is a 3/4″ relief valve preset at 40 PSI, engineered to provide reliable overpressure protection in hydronic heating systems, boilers, and plumbing applications. Designed and manufactured by Watts — a trusted name in flow control and water quality products — this valve automatically opens to discharge excess pressure before it reaches dangerous levels, safeguarding equipment, piping, and connected components.
Key Features
- 3/4″ connection size for straightforward installation on standard piping
- 40 PSI factory-set relief pressure for consistent, repeatable performance
- Automatic pressure relief operation — no manual intervention required
- Durable construction suitable for hydronic heating and plumbing system applications
- Compact design for easy integration into tight mechanical spaces
- Manufactured by Watts, a globally recognized leader in flow control solutions
Applications
- Hydronic heating systems and boiler installations
- Closed-loop plumbing and water supply systems
- Commercial and residential pressure protection applications
Specifications
- Brand: Watts
- Part Number: F274479
- Connection Size: 3/4″
- Relief Pressure Setting: 40 PSI
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