This zero-lead adapter fitting transitions between a press connection and a female threaded pipe connection for plumbing systems. It is made from low-lead bronze material suitable for potable water applications, meeting applicable NSF and low-lead standards. Designed for use with compatible press tools, this fitting eliminates the need for soldering or flame work, reducing installation time and labor. It provides a reliable, leak-resistant joint between press-ready piping and threaded components in residential and commercial potable water systems.