Description
The Watts 174A is a high-capacity pressure relief valve engineered to provide dependable overpressure protection in boiler and hydronic heating systems. With a 3/4-inch connection size, a factory-set relief pressure of 50 PSI, and a rated discharge capacity of 950,000 BTU/hr, this valve is built to handle demanding commercial and residential heating applications.
Key Features
- Series 174A pressure relief valve from Watts — a trusted name in flow control and safety
- 3/4 in. inlet/outlet connection for straightforward installation on standard boiler and hydronic piping
- 50 PSI factory-set opening pressure for precise, reliable overpressure protection
- 950,000 BTU/hr rated discharge capacity — suitable for high-output heating systems
- Designed to automatically open and relieve excess pressure, protecting system components from damage
- Durable construction for long service life in hot water and steam heating environments
Specifications
- SKU: F274513
- Brand: Watts
- Model Series: 174A
- Connection Size: 3/4 in.
- Set Pressure: 50 PSI
- BTU Capacity: 950,000 BTU/hr
- Valve Type: Pressure Relief Valve
Application
The Watts 174A relief valve is ideal for use on hot water boilers, hydronic heating systems, and other pressurized heating equipment where code-compliant overpressure protection is required. Its 950,000 BTU/hr capacity makes it well-suited for larger residential and light commercial boiler installations.
