What is a common sign that a boiler may be experiencing issues?

Unusual noises coming from the unit are a common sign that a boiler may be experiencing issues. These noises can include banging, gurgling, or hissing sounds, which often indicate underlying problems such as water hammer, air in the system, or even a malfunctioning pump. Recognizing these sounds is crucial for operators, as they can be early warning signs that maintenance is needed to prevent more significant problems.

In contrast, consistent pressure levels, steady fuel consumption, and no visible leaks are generally indicators of a boiler operating within normal parameters. While these conditions alone do not confirm the functionality of a boiler, they do not typically signal immediate issues. Therefore, when unusual noises occur, it serves as a prompt for further investigation and timely maintenance actions to ensure the boiler operates safely and efficiently.