Refrigerator defrost thermostat. The thermostat clips onto the evaporator. If the refrigerator does not defrost both the thermostat and heater can be tested to determine which part is at fault.
Refrigerator/freezer temperature control thermostat. Temperature issues can be caused by this thermostat.
Air damper assembly
Refrigerator/freezer defrost thermostat located on the evaporator coil
Refrigerator defrost thermostat kit. 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 defrost thermostat kit. If the freezer is cold, but the refrigerator is warm you could have a problem with the defrost system. If so, the evaporator coils will be iced over and this thermostat kit may be defective.
High limit thermostat for refrigerator or freezer defrost heater, L140-30F. This thermostat is normally closed for continuity at room temperature. If the high limit thermostat is open at room temperature, the refrigerator's defrost system will not work.
Temperature control. The terminal orientation on this thermostat may be slightly different than the original.
Temperature control thermostat