040-202

This high-limit fan disc switch is an essential safety and regulation component for HVAC systems, furnaces, and heating equipment. Designed to prevent overheating, this thermal control switch automatically opens the electrical circuit when internal temperatures reach 150°F, effectively shutting down the heating element or blower to protect the appliance. Once the system cools down to a safe 110°F, the switch closes to resume normal operation. This reliable replacement part is ideal for furnace repair, ensuring consistent temperature management and system longevity. It is a common solution for troubleshooting blower motor issues or malfunctioning heating cycles in residential and commercial forced-air systems.
Type: High Limit Control Switch
Size: Compact disc-style thermal switch
Application: Used primarily in furnaces, air handlers, and HVAC blower assemblies to monitor internal temperatures and provide high-limit safety protection.
Specifications: Opening Temperature: 150°F; Closing Temperature: 110°F; Switch Type: Normally Closed (NC) Fan/Limit Disc.