Electric Zone Valve Actuator, Application Air Conditioning, Heating, Ventilation, Auxiliary Contact Form SPDT, Compatible Series VVF, VVG, VXF, VXG, Compatible Valve Action Normally Closed, Normally Open, Compatible Valve Body Pattern Three-Way, Two-Way, Control Signal Proportional, Cycle Time 30 sec, Electrical Connection Type Cable, Electrical Lead Length 35 in, Frequency 50/60 Hz, Housing Material Plastic, Includes Electrical Leads Electrical Leads Included, Installation Orientation Vertical