Motorized Zone Valve, Actuator Control Pressure - Maximum Not Applicable, Actuator Control Pressure - Minimum Not Applicable, Actuator Control Signal On/Off, Actuator Return Action Spring Return, Actuator Type Electric, Actuator Voltage 24V AC, Application Chilled/Hot Water Control, Body Material Brass, Body Pattern Two-Way, Bypass Port Coefficient of Volume (Cv) Not Applicable, Close-Off Pressure 20 psi, Coefficient of Volume (Cv) 3.5, Distance Between Inlet and Outlet Port 3 11/16 in