Description
The Marley Engineered Products 4520-11013-000 L185F limit switch is a temperature-actuated safety control used in heating equipment in HVAC systems. It is used to monitor internal air or surface temperatures and open or close an electrical circuit when a preset limit is reached. It has around 185F, and it is installed in electric unit heaters, fan-forced heaters, and other heating systems. It operates as part of the safety control assembly. The primary role within the system is to prevent overheating, protect internal components and ensure safe operation by interrupting power when excessive temperatures are detected.
