What device is designed to reduce and regulate water pressure entering a plumbing system?

A pressure regulator is specifically engineered to reduce and control the high water pressure coming from a supply line to a lower, manageable level that is safe for household plumbing systems. This is crucial for preventing potential damage to pipes, fixtures, and appliances that could occur if exposed to excessive pressure.

The pressure regulator operates by adjusting the flow of water based on downstream demand, ensuring that the water pressure remains steady despite fluctuations in supply pressure. This can help maintain a consistent flow rate and protect the integrity of the plumbing system.

While other devices like a water valve might control the flow of water, they do not specifically regulate pressure. Similarly, a flow restrictor limits the volume of water but does not address pressure regulation in the same manner. A pressure stabilizer might imply some degree of pressure control but does not function with the same level of precision as a dedicated pressure regulator. Thus, the pressure regulator is the correct and best-suited device for the task at hand.