Volume control dampers: These dampers are used to manage the airflow in different regions of your home. They are typically mounted in the key ductwork and might be altered manually or automatically. Backdraft dampers are both gravity or motorized. Gravity backdraft dampers use the power of gravity to shut the https://zionashvj.ssnblog.com/35624162/air-control-dampers-for-engine-sheds-an-overview