Fireplace dampers are fireplace-preserving devices which have been made use of in HVAC systems. They're intended to quit the hearth from spreading with the ducts. At a set temperature, the fire damper shuts and sorts a barrier that prevents the hearth from spreading with the ducts. Round airflow administration damper https://aircontroldampersforengin46678.newsbloger.com/37344800/the-ultimate-guide-to-air-control-dampers-for-hot-climates