New York Low Pressure Boiler COF Practice

What is the main purpose of a pressure gauge in a hydronic system?

1. To monitor water flow

2. To measure temperature

3. To measure system pressure

4. To control burner operation

The correct answer is: To measure system pressure

The primary function of a pressure gauge in a hydronic system is to measure the system pressure. This is critical for ensuring that the system operates within safe and efficient parameters. Monitoring the pressure allows operators to assess whether the system is functioning correctly and to identify any potential issues, such as leaks, pressure drops, or blockages that could affect the performance of the heating or cooling system. In a hydronic system, maintaining the correct pressure is vital for optimizing water circulation and ensuring heat is transferred effectively throughout the system. A pressure gauge provides real-time data that helps in making informed decisions about maintenance and operation, emphasizing its importance over other functions such as water flow monitoring or temperature measurement. While aspects like controlling burner operation or measuring the temperature of the water are also significant in a hydronic system, they do not represent the central role of the pressure gauge. It specifically focuses on providing accurate readings of the pressure, essential for the overall functionality and safety of the system.