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The IO HVAC CONTROLS HD-BM-NA-1810 is an 18 x 10 Two-Position Zone Damper with a bottom mount and no actuator, featuring a 5/8-1/2 shaft. These extruded aluminum parallel blade dampers are designed for duct systems less than 1.0" WC and can be installed in any position. It has a simple adjustment for setting the minimum position.
This two-position zone damper is suitable for residential duct systems less than 1.0" WC. It features a bottom mount and no actuator.
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