Which component's failure could lead to inconsistent temperatures in a chilled water system?

In a chilled water system, the circulating pump plays a critical role in maintaining a consistent flow of chilled water throughout the system. If a circulating pump fails, it can lead to insufficient water flow, which in turn affects the distribution of chilled water to various components, including air handling units and fan coil units.

This lack of adequate water flow can result in certain areas receiving either too little or too much cooling, creating temperature inconsistencies. For example, if the pump is unable to circulate the chilled water effectively, some parts of the building may become warmer than desired because they are not receiving enough chilled water to absorb heat properly.

Conversely, when a circulating pump is functioning correctly, it ensures uniform flow throughout the system, enabling consistent temperature control. The other components, while important, are less likely to cause widespread temperature variations directly related to water flow and distribution in the system.