Sub-Zero Freezer Defrost Heater - 7009385
Freezer Evaporator Defrost Heating Element
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Part Description
Genuine Sub-Zero freezer defrost heater 7009385. This heating element is mounted at the freezer evaporator and operates during the automatic defrost cycle to melt frost that naturally accumulates on the evaporator coil.
Part details
A failed defrost heater can allow frost and ice to build heavily on the freezer evaporator. As the buildup increases, airflow through the evaporator can become restricted, leading to warmer freezer temperatures, longer run times, and reduced cooling performance.