Belimo ZoneTight ½" 2-way Cv5.9 Actuator Nonfail-safe 24V NC Modulating

The QCV zone valves are suited for large commercial buildings where higher close-off and the ability to change flow is desired. Common HVAC applications include unit ventilators, fan coil units, VAV reheat coils, fin tube casing, radiant panels and duct coils.