120-631

This premium HVAC Fan Limit Control Switch is a vital safety and operational component designed to regulate the blower motor and monitor heat levels within your furnace or heating system. Engineered for precision, it features a high-limit safety cut-out set at 195°F to prevent overheating and protect the heat exchanger from damage. The control also manages the fan cycling (65°F), ensuring the blower activates and deactivates at the correct temperatures for maximum energy efficiency and consistent airflow. Ideal for professional HVAC repairs and routine maintenance, this switch helps restore reliable heating performance and prevents the furnace from short-cycling or running the fan unnecessarily.
Type: HVAC Fan Limit Control Switch
Size: Standard
Application: Used in forced-air furnaces, air handlers, and commercial heating systems to control blower fan operation and provide high-temperature safety protection.
Specifications: High Limit Cut-out: 195°F; Fan Differential/Cut-in: 65°F; Function: Thermal safety and blower motor regulation.