What should be regularly inspected for proper function in steam boilers?

Regular inspection of pressure control mechanisms in steam boilers is crucial because these components are vital for maintaining safe operating conditions. The pressure control mechanisms regulate the pressure within the boiler by turning the burner on and off as needed to maintain the desired pressure level. If these controls malfunction or are improperly calibrated, it could lead to unsafe conditions, including overpressure situations that may result in catastrophic failures or explosions. Therefore, ensuring that these mechanisms are functioning correctly is essential for safe operation and compliance with safety regulations.

In contrast, while monitoring the water temperature, oil supply, and electrical wiring are also important maintenance tasks, they do not have the same critical role in directly controlling the boiler's pressure. Each component has its purpose, but the pressure control mechanisms are specifically designed to protect against the dangers associated with steam pressure, making their inspection a priority in ensuring the overall safety of the steam boiler system.