What is a curb cock used for in plumbing?

A curb cock, also known as a curb valve, is primarily used to control the flow of potable water from the municipal supply to a building's plumbing system. It acts as a shut-off mechanism, allowing water supply to be turned on or off as needed for repairs or maintenance. This is particularly useful in emergency situations where quick access to stop the water supply is necessary to prevent flooding or other issues.

In contrast to other systems or mechanisms in plumbing, a curb cock does not have a function related to adjusting water pressure, filtering water, or measuring water temperature. Those functions are handled by different devices or systems specifically designed for those purposes. Understanding the specific role of a curb cock helps clarify its importance in managing the water supply infrastructure.