What is the function of a pressure-reducing valve?

The function of a pressure-reducing valve is to maintain consistent water pressure within a plumbing system, ensuring that it does not exceed a set level. This is crucial for protecting plumbing fixtures and appliances from potential damage caused by high pressure, which can lead to leaks or even catastrophic failures. By regulating the incoming water pressure to an optimal level, these valves help prevent issues such as burst pipes, frequent oscillations in pressure, and unnecessary wear and tear on fixtures.

Maintaining consistent water pressure is essential for the efficient operation of your plumbing system, as it allows for proper flow rates and ensures that appliances like washing machines and dishwashers operate effectively. In contrast, functions such as increasing water temperature, filtering water impurities, or enhancing water flow speed do not align with the primary role of a pressure-reducing valve.