Teledyne Controls E2217800 Manual Reset High Limit Switch 200°F

The Teledyne Controls E2217800 High Limit Manual Reset Switch 200F is a temperature safety switching used to monitor excessive heat levels inside heating equipment assemblies. It is Configured to open the electrical circuit when temperatures reach 200F and requires a manual reset to restore operation after activation. In HVAC systems, it is applied in furnaces, boilers, and unit heaters where it is positioned near heat-producing sections such as burners or heat exchangers. The switch is integrated into the internal control wiring of the appliance, interrupt circuit flow during high-temperature conditions and requiring technician reset before normal operation resumes.