Belimo ZoneTight QCV 1" 3-way Hi Close-off Zone Valve Cv4.4 Z3100QS-J

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.