Description
The Cleveland Controls AFS-227 Pressure Switch is an air flow sensing components used to monitor and check air pressure within ducts, combustion systems, and ventilation equipment. It performs an electrical switching action when a defined pressure level is reached, supporting ensuring safe and proper airflow conditions in HVAC systems. Designed for use with positive, negative, or differential pressure, it is commonly installed in furnaces, boilers, and air handling units in commercial and industrial settings. As part of the control and safety circuit, it enables system operation only when adequate airflow is present, supporting equipment protection and operational accuracy.
