A backdraft damper permits the move in a single course and does not alter the direction or decrease the circulation. In the meantime, the balancing damper utilizes rotating shutters to control airflow and speed. Depart a Reply It is important to own HVAC dampers inspected on a regular basis to https://oval-conduit90112.humor-blog.com/35475430/top-guidelines-of-air-control-dampers-for-hot-climates