The T&S Brass B-0475 Knee Valve is a heavy-duty, cam-action stirrup valve designed for durability and reliability. It features a knee action mechanism that allows the valve to remain in a set position, accommodating hot, cold, or mixed water. The valve is equipped with 1/2" IPS female inlets and a 1/2" IPS female outlet, with a center-to-center distance of 2-1/2". This valve is ideal for applications requiring hands-free operation and consistent water flow.