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The IO HVAC CONTROLS HD-BM-NA-3812 is a 38 x 12 two-position zone damper with a bottom mount and no actuator, featuring a 5/8-1/2 shaft. These dampers are designed for installation in any position and are rated for duct systems less than 1.0" WC. It has a simple adjustment for setting the minimum position.
Two-position zone damper designed for HVAC systems with a bottom mount and adjustable minimum position.
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