Sub-Zero
Catalog S1028
Sub-Zero Defrost Heater for 648PRO Models
OEM part.
Genuine Sub-Zero part used on these models:
648PRO and 648PROG
OEM part description
This factory-original Sub-Zero defrost heater melts frost buildup from the evaporator area during the defrost cycle. A failed heater can cause frost buildup, restricted airflow, warm temperatures, long run time, or poor cooling performance.
Part details
Sub-Zero defrost heater.
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