Description
The Cleveland Controls RFS-4100-078 Low Air Flow Switch is a pressure-acting safety system that is utilized to sense when a HVAC systems. This switch operates to close or open an electrical circuit when the difference in air pressure exceeds 0.17″ water column, which means Low airflow conditions may affect heat exchange and the overall performance of the system. It is installed in furnaces, air handlers or duct systems as part of the airflow monitoring and safety sequence to assist in preventing overheating.
