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The IO HVAC CONTROLS HD-BM-NA-2010 is a 20 x 10 Two-Position Zone Damper with a bottom mount and no actuator, designed for 5/8-1/2 shafts. These extruded aluminum parallel blade dampers are ready for installation and can be installed in any position. It is rated for duct systems less than 1.0” WC and has a simple adjustment for setting the minimum position.
This IO HVAC Controls zone damper is designed for residential applications and easy installation. Features a bottom mount and is compatible with 5/8-1/2 shafts.
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