What is the primary function of a pressure-reducing valve?

The primary function of a pressure-reducing valve is to lower and regulate incoming water pressure to a safe level. In residential plumbing systems, the water supply can be under high pressure, which may not only be unnecessary for everyday use but can also cause damage to fixtures, appliances, and piping over time. By installing a pressure-reducing valve, the system can ensure that the water pressure is brought down to a manageable level, making it safe for all components within the plumbing infrastructure.

Additionally, maintaining safe pressure levels prevents issues such as leaks or bursts in pipes, excessive wear on appliances, and overall inefficient water use. This regulation is particularly important in areas where water sourced from municipal systems may arrive at varying pressure levels. A pressure-reducing valve helps create stable and consistent flow conditions throughout the home, optimizing the plumbing system's performance and longevity.