What is a Double Check Valve Assembly?

A Double Check Valve Assembly is indeed a type of backflow prevention device, and it is specifically designed to protect the potable water supply from contamination. The assembly consists of two independently acting check valves, which work in tandem to prevent reverse flow under normal operating conditions.

This dual-valve design adds an extra level of safety; if one valve fails or becomes compromised, the second valve still provides protection against potential backflow, thereby safeguarding the water supply from pollutants and contaminants. This is particularly important in various applications, such as irrigation systems or commercial water systems, where the risk of backflow could pose a serious health hazard.

The other options mentioned do not accurately describe the function or components of a Double Check Valve Assembly. For instance, increasing water pressure pertains to pump systems, filtration devices focus on contaminant removal, and level measurement mechanisms have entirely different functions in managing water resources.