The IO HVAC CONTROLS HD-BM-NA-3624 is a two-position zone damper with a bottom mount and a 5/8-1/2 shaft, designed without an actuator. These dampers are constructed from extruded aluminum parallel blades and are ready for installation in any position. They are suitable for duct systems less than 1.0" WC and feature a simple adjustment for setting the minimum position.
Two-position zone damper, bottom mount, no actuator, 5/8-1/2 shaft. Ready for installation and suitable for duct systems less than 1.0" WC.