What role does a pressure-reducing valve serve in a water distribution system?

A pressure-reducing valve is an essential component in a water distribution system primarily responsible for managing the pressure within the system. Its main function is to lower incoming high-pressure water from the supply line to a controlled and safe level suitable for distribution throughout the network.

This reduction is crucial because it helps prevent potential damage to pipes, fixtures, and appliances that can occur when exposed to excessively high pressure. By maintaining an optimal pressure range, the valve ensures that the water can flow efficiently and safely, preventing leaks and water wastage while also enhancing the longevity of the infrastructure.

Other options provided do not describe the function of a pressure-reducing valve accurately. Increasing water pressure, filtering contaminants, or storing water for emergencies do not reflect the valve's purpose in a water distribution system. Therefore, recognizing the primary role of a pressure-reducing valve is key to understanding its significance in maintaining safe and efficient water delivery.