Zone Valve, Actuator Control Signal On/Off, Actuator Return Action Spring Return, Actuator Voltage 110V AC, Application Chilled/Hot Water Control, Body Material Brass, Body Pattern Two-Way, Close-Off Pressure 25 psi, Coefficient of Volume (Cv) 3.5, Contact Form SPDT, Electrical Lead Length 18 in, Fluid Temperature - Maximum 200 Degrees F, Fluid Temperature - Minimum 32 Degrees F, For Media Water, Frequency 50/60 Hz, Includes Actuator Actuator Included