040-167

This professional-grade Rotary Control Switch is a vital fan disc high-limit component designed for HVAC and climate control systems. Engineered to monitor and regulate internal temperatures, this switch acts as a critical safety device, automatically managing fan operation or cutting power to prevent overheating. If your heating or cooling unit is experiencing irregular fan cycles or failing to reach the desired temperature, a faulty limit switch is often the cause. This high-performance thermal disc switch ensures reliable system cycles, protecting your equipment from thermal damage while maintaining optimal airflow. It is an essential replacement part for maintaining the safety and efficiency of residential and commercial air conditioning and heating units.
Type: Fan Disc High Limit Control Switch
Size: Small
Application: Used in HVAC systems, PTAC units, and fan coil assemblies to regulate fan timing and provide high-limit thermal protection during heating and cooling cycles.
Specifications: Rotary operation design, thermal disc technology, high-limit safety shut-off, designed for high-cycle temperature monitoring.