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The IO HVAC CONTROLS HD-BM-NA-2420 is a 24 x 20 Two-Position Zone Damper with a bottom mount and no actuator, designed for shafts sized 5/8-1/2. These extruded aluminum parallel blade dampers are ready for installation in any position and rated for duct systems less than 1.0” WC. The damper includes a simple adjustment for setting the minimum position.
The IO HVAC CONTROLS HD-BM-NA-2420 is a 24 x 20 two-position zone damper, ready for installation and suitable for various duct systems.
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