The IO HVAC CONTROLS HD-BM-NA-1814 is a two-position zone damper with a bottom mount and no actuator, designed for a 5/8-1/2 shaft. This damper is suitable for residential applications and is rated for duct systems less than 1.0” WC. It features a simple adjustment for setting the minimum position.
This IO HVAC Controls zone damper is shipped complete and ready for installation in any position.