Refrigerator defrost timer, 60 hertz, 120 volts. Turn the dial on the timer clockwise to advance it into and out of defrost.
Refrigerator defrost thermostat kit. L55-20F. The defrost thermostat monitors the temperature of the evaporator coils. When the coils drop below a set temperature, the thermostat sends power to the defrost heater. If the defrost thermostat is defective, the refrigerator will not defrost.
Refrigerator evaporator fan motor kit. The evaporator fan motor draws air over the evaporator coils and circulates cool air throughout the refrigerator.