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Refrigerator Defrost Thermostat 5304521781
This part 5304521781 is compatible with:
- Product Type:
- Refrigerator
- Brands:
- Frigidaire, Kenmore, Electrolux, Crosley, Viking
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Defrost Thermostat Customer Reviews
Common Problems Fixed by the Defrost Thermostat
Based on customer reports and repair data, this part commonly fixes these issues:
About the Defrost Thermostat
The defrost thermostat monitors the temperature of the evaporator coils. When the coils drop below a set temperature, the thermostat contacts close to allow power to flow to the defrost heater during the defrost cycle. In the defrost cycle, the defrost heater melts away any frost that may have accumulated on the evaporator coils. If the defrost thermostat is defective, the thermostat contacts will not close. As a result, the thermostat won’t provide power to the defrost heater. To determine if the defrost thermostat is defective, use a multimeter to test it for continuity. If the defrost thermostat does not have continuity when it reaches the low temperature of its operating range, replace it.
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