Xylem-McDonnell & Miller AF-1 SPDT Air Flow Switch 122800

The Xylem-McDonnell & Miller AF-1 Spdt Air Flow Switch 122800 is a safety device used in a variety of HVAC equipment to monitor and manage airflow. When airflow within the duct reaches a predetermined level, the switch switches internally, connecting the input terminal to one of the output terminals. When airflow falls below the specified point, the switch reverses, connecting the input to the opposite output terminal. This switching motion activates various controls inside the HVAC system, such as fans, dampers, or alarms, depending on the application.The Xylem-McDonnell & Miller AF-1 Spdt Air Flow Switch finds use in a variety of HVAC equipment.