The Waterline 1/2" PEX x 1/2" Sweat Ball Valve with drain is a low cost solution to control water flow. The single lever control allows for easy operation and the valve is suited for potable water and hydronic applications where a shut-off is needed. The valve features a vent to allow water to drain from the pipe after the water is turned off. The Waterline PEX barb fitting range offers a wide variety of fittings in various sizes to help complete your next plumbing project.