# LG 5300JB1114Z Refrigerator Defrost Heater


The LG **5300JB1114Z** Refrigerator Defrost Heater is a heating component designed to remove frost buildup from the evaporator during defrost cycles. It operates by converting electrical energy into controlled heat, melting accumulated ice to allow proper airflow through the cooling system. Installed near the evaporator coil inside the freezer section, the heater works in coordination with the defrost thermostat and control system to regulate temperature and timing. This part of the refrigerator supports consistent cooling performance, reduces airflow restriction caused by ice accumulation, and improves overall system efficiency. Proper operation of the defrost heater helps maintain stable temperatures and supports reliable refrigeration during regular use.

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