Mueller A 15528 Manual Brass Packless Line Valve is an inline shutoff valve made of brass for durable, corrosion‑resistant service in piping systems. It is manually actuated and features a 3/8 in NPT thread size, enabling direct installation into standard piping runs. The packless design means the valve operates without a packing gland, providing a compact connection suitable for plumbing lines and other fluid systems seeking a straightforward inline valve.
