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The IO HVAC CONTROLS HD-BM-NA-1812 is an 18 x 12 Two-Position Zone Damper with a bottom mount and no actuator, designed for shafts measuring 5/8-1/2. These dampers feature extruded aluminum parallel blades and are ready for installation in any position. It has a simple adjustment for setting the minimum position and is rated for duct systems less than 1.0” WC.
This 18" x 12" rectangular damper is suitable for residential applications and ensures efficient zone control.
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