HD Series Dampers (HD-XXXX)
The “HD” Series dampers are extruded aluminum parallel blade dampers complete with a 24 volt spring return actuator. These dampers are shipped complete and ready for installation. The “HD” Series dampers can be installed in any position. They are rated for duct systems less than 1.0” WC. The “HD” Series damper has a simple adjustment for setting the minimum position.
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