Louvers and Dampers - Backdraft or Barometric Dampers
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Published
2024/02/10
About
Backdraft and barometric dampers prevent reverse airflow in exhaust and ventilation systems, opening only when positive pressure is present and closing automatically when the fan stops. Advantage Mechanical Supply carries gravity-operated aluminum backdraft dampers and barometric pressure relief dampers for exhaust fans, dryers, range hoods, and warehouse ventilation. Available in multiple sizes for residential and commercial HVAC applications.