The T&S Brass 0RK1 Mixing Control Valve is designed for wall-mounted installation with a 4" center configuration. Its concealed body offers a sleek appearance while maintaining functionality. The valve features removable loose key T-handles for easy operation and maintenance. It includes a 1/2" female NPT bottom connection and a 3/8" female NPT top connection, ensuring compatibility with various hose reel systems. This mixing control valve is ideal for efficient water flow management in commercial and industrial settings.