120-823

This high-performance 140-degree automatic reset limit switch is a critical safety component designed for HVAC systems and furnace units. Functioning as a high-limit control, it monitors internal temperatures to protect your heating equipment from overheating. When the system reaches the 140°F threshold, the switch automatically opens to disrupt the heating circuit, preventing potential damage or safety hazards. As the unit cools back down to a safe operating temperature, the switch automatically resets to restore system functionality. This fan disc limit switch is a reliable replacement part for ensuring consistent airflow and thermal protection in residential and commercial climate control systems.
Type: Fan Disc High Limit Control Switch
Size: Small
Application: Commonly used in furnaces, air handlers, and packaged heating and cooling units to monitor plenum temperature and prevent overheating.
Specifications: Temperature Trip Point: 140°F; Reset Type: Automatic; Contact Configuration: Normally Closed (Opens on temperature rise)