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Frigidaire Defrost Thermostat, Sensor

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Frigidaire Defrost Thermostat Kit
Genuine Frigidaire part
By: Frigidaire
Part Number: 5303918214

The Defrost Thermostat Kit is an OEM replacement part for Frigidaire refrigerators. This kit contains the defrost thermostat, which is a crucial component in the refrigerator's defrost system.

Symptoms of needing to replace the defrost thermostat kit include:

  • Excessive frost or ice buildup on the evaporator coils
  • Inadequate cooling or temperature fluctuations
  • Increased energy consumption due to inefficient defrosting
  • Condensation or moisture buildup within the refrigerator compartment

Causes of a faulty defrost thermostat can include normal wear and tear, exposure to extreme temperatures or moisture, or electrical malfunctions.

This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore refrigerator models.

This part fixes the following symptoms
  • Freezer not defrosting
  • Too warm
  • Fridge too warm
  • Freezer section too warm
See more...
Do-It-Yourself Stories from Customers like You My refrigerator items were freezing   Mayilet F. • Hialeah , FL • February 24, 2020

I ordered a freezer temperature control. I ordered from you because parts are certified. Last thing I wanted was to go through the replacement process with a part that didn’t work. I’m not a handy person by nature, and I have zero common sense. I watched the awesome instructional video that you provided with my order several times. Before receiving or even opening the package, I felt that I knew what to expect because I watched the video so many times. Before beginning, I made sure I had as... Read more

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Frigidaire Defrost Thermostat
Genuine Frigidaire part
By: Frigidaire
Part Number: 297216600

The Defrost Thermostat is an OEM replacement part for Frigidaire refrigerators. This component plays a crucial role in the defrost system, monitoring and regulating the temperature to ensure proper defrosting of the evaporator coils.

Causes of a faulty defrost thermostat can include normal wear and tear over time, exposure to excessive temperature fluctuations or moisture, or electrical malfunctions.

Symptoms of needing to replace the defrost thermostat include:

  • Improper defrosting or lack of defrosting
  • Frost buildup on the evaporator coils
  • The refrigerator running constantly or cycling frequently

This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore refrigerator models.

This part fixes the following symptoms
  • Too warm
  • Doesn't shut off
  • Fridge runs too long
  • Freezer not defrosting
See more...
Do-It-Yourself Stories from Customers like You Upright frost free freezer would not keep food frozen (Frigidaire name plate but made by (Electrolux) testing determined the refrigeration system worked but it would not defrost.   Kenton K. • Chanhassen , MN • May 31, 2020

Fixed it by replacing the electronic control board. Only 30 min. to fix. (See further down for effort to diagnose the problem.) Most of this "fixing time" was spent removing the control panel to access the control board that is attached to it. My freezer has the control panel located in the top center of the door. The only way to remove the control panel is to pry the panel out of the door using a thin-bladed putty knife.The instructions provided were very good in explaining the process;... Read more

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Frigidaire Defrost Thermostat
Genuine Frigidaire part
By: Frigidaire
Part Number: 5303918202

The Defrost Thermostat is an OEM replacement part for Frigidaire refrigerators. This component plays a crucial role in regulating the defrost cycle, which is responsible for removing any built-up frost or ice from the freezer compartment.

Symptoms that may indicate the need to replace the defrost thermostat include:

  • Excessive frost or ice buildup in the freezer
  • The refrigerator not maintaining proper temperature levels
  • The defrost cycle failing to initiate or complete properly

Causes of a faulty defrost thermostat can include normal wear and tear over time, electrical malfunctions, or exposure to extreme temperatures or moisture.

This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore refrigerator models.

This part fixes the following symptoms
  • Freezer not defrosting
  • Fridge too warm
  • Freezer section too warm
See more...
Do-It-Yourself Stories from Customers like You This was for a friend of mine his refrigerator stopped cooling   Gary G. • Ofallon , MO • July 12, 2015

This was a 2000 model so rather than just replace the defrost timer which was visibly burnt on the terminals, we just did everything. The cold control, defrost timer, thermostat, defrost heater and the compressor capacitor were all replaced. I had the same issue on my older unit and tore it apart replacing one item at a time over a three month period so on an older one i suggest do it all while it is apart. Read more

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Frigidaire Temperature Sensor (10K Ntc)
Genuine Frigidaire part
By: Frigidaire
Part Number: 240597220

The Temperature Sensor (10K NTC) is an OEM replacement part for Frigidaire refrigerators. This sensor monitors the internal temperature of the refrigerator or freezer compartment, sending signals to the control board to regulate cooling cycles. It ensures the appliance maintains the correct temperature for optimal food preservation.

Temperature sensors can fail due to wear over time, electrical issues, or exposure to moisture. A malfunctioning sensor can cause inaccurate temperature readings, leading to improper cooling or freezing.

Symptoms of a bad temperature sensor include:

  • Fluctuating or incorrect temperatures in the refrigerator or freezer
  • Food spoiling faster than expected or freezing inappropriately
  • Error codes related to temperature regulation
  • The refrigerator running continuously or cycling too often

This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore models.

Do-It-Yourself Stories from Customers like You S or 5 e ce later that changes to s or 5 y ce   Amritt V. • Yorkyown , VA • October 21, 2017

Walk into the kitchen on 21 Sep. Eight year old Frigidaire refrigerator appears to be short cycling, controls are nonfunctional. Unplug it for a few minutes, plug it back in, appears to return to normal function. Return to kitchen half hour 45 minutes later it's short cycling again. Panel has codes on it (S or 5 E CE, later that changes to S or 5 Y CE). Research of codes says replace main board and control board. Not sure where this main board is. 22 Sep call appliance repair. "Soonest... Read more

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Frigidaire Defrost Thermostat Kit
Genuine Frigidaire part
By: Frigidaire
Part Number: 5303918634

The Defrost Thermostat Kit is an OEM replacement part for Frigidaire upright freezers. 

Symptoms of a failed defrost thermostat include:

  • Excessive ice buildup within evaporator coils over time      
  • Thermostat failure causing errors
  • Improper or incomplete defrost cycles leaving frost accumulation  

Causes related to prolonged exposure to vibration, temperature fluctuations, and refrigerant gases taking their toll on delicate thermostat circuitry and heating filaments over many years of use. 

This Frigidaire part can also be used on Electrolux, Frigidaire, Gibson, Kelvinator, Westinghouse, and Sears/Kenmore.

Do-It-Yourself Stories from Customers like You Fridge not cold freezer constantly running   Eric H. • Brigham City , UT • January 08, 2024

Replaced the defrost thermostat in freezer and fridge and the defrost heater in freezer. These guys had my parts in stock and I got them in 2 days Read more

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Frigidaire Defrost Thermostat
Genuine Frigidaire part
By: Frigidaire
Part Number: 5303917954

The Defrost Thermostat is an OEM part for Frigidaire refrigerators. It monitors the temperature of the evaporator coils and activates the defrost heater when necessary. This process prevents frost buildup on the coils, ensuring the refrigerator maintains optimal cooling efficiency.

You should replace the defrost thermostat if it becomes faulty or damaged. Common causes of a bad defrost thermostat include electrical failures, regular wear and tear, or temperature fluctuations that can degrade the component over time.

Symptoms of a bad defrost thermostat include:

  • Excessive frost buildup on the evaporator coils
  • Refrigerator not cooling properly
  • The defrost cycle not activating
  • Increased energy consumption

This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore models.

This part fixes the following symptoms
  • Freezer too cold
  • Freezer not defrosting
  • Fridge runs too long
  • Fridge too cold
See more...
Do-It-Yourself Stories from Customers like You Frig not cold and not all item in the freezer were being frozen ice not being made   Gary M. • Raleigh , NC • September 30, 2015

My Frigidaire side by side refrigerator/freezer suffered a catastrophic failure. The symptoms were as follows: 1) Frig not cold 2) No Ice being made in the freezer section 3) Items at the back of the freezer were frozen but items on the door shelves would not freeze. The back of the freezer was cold but the closer you got to the door the warmer it got. After removing everything from the unit I saw that there was substantial ice buildup on back of the freeze, specifically around the vents,... Read more

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Frigidaire Defrost Thermostat
Genuine Frigidaire part
By: Frigidaire
Part Number: 242046001

The Defrost Thermostat is an OEM part for Frigidaire refrigerators. This component monitors the temperature of the evaporator coil and triggers the defrost cycle when necessary. By ensuring that the evaporator coil is kept free of ice buildup, the defrost thermostat helps maintain efficient cooling performance and prevents frost accumulation inside the refrigerator.

Over time, the defrost thermostat can fail due to electrical issues, wear and tear, or temperature fluctuations. A malfunctioning thermostat can lead to excessive frost buildup, reduced cooling efficiency, and potential damage to the refrigerator's components.

Symptoms of a bad defrost thermostat include:

  • Excessive frost buildup in the freezer
  • The refrigerator not cooling properly
  • The defrost cycle not activating
  • The refrigerator running continuously without cycling off

This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore models.

Do-It-Yourself Stories from Customers like You Freezer evaporator was freezing over and causing refrigerator to warm up   James G. • Fontana , CA • March 20, 2018

REPLACED DEFROSTER, CONDENSER FAN MOTOR AND DEFROST THERMOSTAT. Read more

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Frigidaire Defrost Thermostat
Genuine Frigidaire part
By: Frigidaire
Part Number: 216731001

The Defrost Thermostat is an OEM part for Frigidaire refrigerators and freezers. This part senses the temperature of the evaporator coil and triggers the defrost heater to melt away any accumulated frost. This process ensures that air can flow freely over the coils, keeping the refrigerator or freezer at the correct temperature and preventing overcooling or temperature fluctuations that can spoil food.

Causes of a bad defrost thermostat can include a failure to open or close properly, leading to an overaccumulation of frost on the evaporator coils, or physical damage that prevents it from sensing the correct temperature. 

Symptoms of a bad Defrost Thermostat include:

  • Frost build-up in the freezer compartment
  • The refrigerator or freezer is too warm
  • The compressor running longer than usual
  • Fresh food compartment becoming too warm

This OEM Frigidaire part is also compatible with Electrolux, Gibson, Kelvinator and some Kenmore models.

Do-It-Yourself Stories from Customers like You No cooling from refrigerator lights worked but compressor did not run   Jeff B. • Ovalo , TX • May 07, 2015

Checked compressor windings - ok. Start relay looked no rattle or burning. Start capacitor seamed ok but hard to check. No 120VC to start relay at any time. Ordered thermistor, and electronic control unit. Figuring it was a bad thermistor not telling the ECU it was warm and to turn on the compressor. Or the ECU was damaged and was not sending the 120v to the compressor. Changed the thermistor first (cheapest part and as Appliance parts pros has a return policy I wanted to start there). ... Read more

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Frigidaire Thermistor
Genuine Frigidaire part
By: Frigidaire
Part Number: 297110400

The Thermistor is an OEM replacement part for Frigidaire refrigerators. It senses and monitors interior temperatures, which allows the compressor and evaporator fan to operate efficiently based on temperature conditions. Proper thermistor function maintains consistent cooling and humidity levels. At room temperature, it should measure 5k ohms of resistance when testing with a multimeter.

Causes of a bad thermistor can include failure over time due to constant exposure to changes in temperature. Physical damage to the thermistor head or wiring connectors can lead to breakdowns in communication.

Symptoms of a bad thermistor include:

  • Fluctuating or unregulated interior temperatures
  • The refrigerator or freezer running constantly
  • Error codes or blinking lights denoting temperature control issues

This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore models.

Do-It-Yourself Stories from Customers like You No cooling from refrigerator lights worked but compressor did not run   Jeff B. • Ovalo , TX • May 07, 2015

Checked compressor windings - ok. Start relay looked no rattle or burning. Start capacitor seamed ok but hard to check. No 120VC to start relay at any time. Ordered thermistor, and electronic control unit. Figuring it was a bad thermistor not telling the ECU it was warm and to turn on the compressor. Or the ECU was damaged and was not sending the 120v to the compressor. Changed the thermistor first (cheapest part and as Appliance parts pros has a return policy I wanted to start there). ... Read more

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Frigidaire Thermistor
Genuine Frigidaire part
By: Frigidaire
Part Number: 297018400

The Thermistor is an OEM replacement part for Frigidaire Freezers. It is a temperature-sensitive electronic component located inside the freezer that helps monitor and regulate interior temperatures. 

Causes of a bad thermistor can include failure over time due to normal usage or moisture damage. Without proper monitoring, interior temperatures could fluctuate unpredictably.

Symptoms of a bad thermistor include: 

  • Inconsistent or inaccurate temperature readings  
  • Temperature control issues where the freezer is too warm or cold
  • The compressor and cooling system cycling on and off excessively
  • Frost or ice buildup in unexpected areas

This OEM Frigidaire part is also compatible with brands including Electrolux, Gibson, Kelvinator, and select Kenmore models.

Do-It-Yourself Stories from Customers like You High temp alarm was showing high but was really not   Steven B. • Plano , TX • January 02, 2015

Replaced the Thernistor and resolved the problem. Took less than 15 mins to do if you follow the instructions that they have on this site. Great video! Thanks Read more

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Frigidaire Defrost Thermostat
Genuine Frigidaire part
By: Frigidaire
Part Number: 5304521781

The Defrost Thermostat is an OEM part for Frigidaire refrigerators. It is responsible for monitoring freezer temperatures and initiating automatic defrost cycles when needed. Located inside the refrigerator's freezer compartment, the defrost thermostat plays a key role in the refrigerator's cooling and frost removal processes.

Symptoms of a bad defrost thermostat include:

  • Excessive frost or ice buildup inside the freezer  
  • Inability to maintain proper freezer temperatures
  • Freon leakage detected due to damaged components from prolonged frost buildup

Replacing the defrost thermostat with a genuine OEM part can help restore automatic defrost operation, prevent excess energy usage, maintain optimal temperatures, and avoid potential damage to contents from excessive frost accumulation. This Frigidaire replacement part is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore models.
 

Do-It-Yourself Stories from Customers like You Ice buildup on rear panel and ice maker area.   Michael S. • Oran , MO • January 12, 2024

Replaced main board. The defrost heater and thermostat. Read more

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Frigidaire Defrost Thermostat
Genuine Frigidaire part
By: Frigidaire
Part Number: 5303918810

This defrost thermostat controls power to the defrost heater by sensing the evaporator's temperature. Replacing a failed thermostat helps stop heavy frost build-up and supports consistent cooling and airflow in your refrigerator and freezer.

  • Monitors evaporator coil temperature during the defrost cycle
  • Opens to shut off the defrost heater at a safe temperature; closes again when cold to allow the next defrost
  • Failure symptoms can include heavy frost/ice on the back wall or evaporator
  • May lead to reduced airflow, poor cooling, or the fresh food section warming after several days
What's included: One defrost thermostat Install notes:
  • Disconnect power before servicing; wear cut-resistant gloves
  • Access by removing the freezer's rear panel to reach the evaporator area; defrost any heavy ice to avoid damage
  • Position the thermostat in the same spot on the evaporator tubing; ensure firm contact and route wiring as originally secured, away from sharp edges and the heater
  • Reassemble panels, restore power, and observe for proper defrosting over the next cycles

Do-It-Yourself Stories from Customers like You The icemaker not making ice.   David S. • Lawrenceville , GA • July 17, 2021

Got the infamous icemaker freezing up problem so common to Frigidaire Gallery and Professional series refrigerators. I was also only getting the "OP" code on the diagnostic test 26, so I determined the defrost heater and/or the thermostat was probably bad. So, I went ahead and replaced both of them, as well as installed the updated air handler housing kit. What I didn't realize from the parts pictures was that the air handler kit was not only updated foam replacements, but it was also a... Read more

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Frigidaire Defrost Thermostat
Genuine Frigidaire part
By: Frigidaire
Part Number: 5303918568

The Defrost Thermostat is an OEM replacement part for Frigidaire upright freezers. It is a temperature-sensing device that monitors coil temperatures, triggering the automatic defrost cycle to safely melt frost buildup obstructing airflow. Located near refrigerator coils, the defrost thermostat optimizes energy-efficient defrosting.

Causes often relate to regular exposure to fluctuating interior freezer temperatures over extended periods. Impacts compromising calibration can also force early replacement.

Symptoms involve:

  • Excessive ice accumulation hinders air circulation and cooling power
  • The inability of the unit to maintain a frost-free interior environment
  • Higher utility costs from the refrigerator constantly fight accumulation

This Frigidaire OEM replacement part fits upright models by Electrolux, Gibson, and some Kenmore models.

Do-It-Yourself Stories from Customers like You Not defrosting   William M. • Richland , WA • March 08, 2018

Replaced thermostat and heater. Read more

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Frigidaire Defrost Thermostat (Round Bimetal), 1-Pack
Genuine Frigidaire part
By: Frigidaire
Part Number: 5303918638

This is the round bimetal defrost thermostat used in many refrigerators. It protects the evaporator from icing by opening and closing based on coil temperature, helping ensure consistent defrost cycles and reliable cooling performance.

  • Monitors evaporator coil temperature to start/stop the defrost heater
  • Opens on temperature rise to prevent overheating during defrost
  • Can help if the freezer ices up, fresh food warms, or defrosts are inconsistent
  • Often checked when the unit won't defrost or shows heavy frost on the evaporator
What's included: One defrost thermostat (wiring leads/connectors as shown by the manufacturer) Install notes:
  • Unplug the refrigerator before servicing; defrost and access the evaporator area
  • Mount thermostat to the evaporator tubing in the same location/orientation as original
  • Use proper wire connections and route harness away from moving/hot parts
  • After installation, verify defrost operation and check for air leaks or failed fans/heaters

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Frigidaire Thermistor
Genuine Frigidaire part
By: Frigidaire
Part Number: 241608401

The Thermistor is an OEM Replacement Part that maintains the temperature inside your Frigidaire refrigerator. This thermistor handles reading the internal temperature. After reading, it transmits this information to the control system. At a temperature of 29 degrees, the thermistor should exhibit a resistance of about 35k ohms. While at room temperature, it should read approximately 5k ohms.

Causes of a bad thermistor can include regular wear and tear, exposure to moisture, or electrical issues. Over time, the thermistor may become less accurate or stop working altogether.

Symptoms of a bad thermistor include:

  • Inconsistent or incorrect temperature readings
  • The refrigerator being too warm or too cold
  • The cooling system running continuously or not at all
  • Error codes related to temperature control

This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore models.

Do-It-Yourself Stories from Customers like You The unit won't stay on the desired temperature.   Sharon B. • Westbury , NY • March 22, 2021

Hired a retired local appliance repairman who was recommended to me to replace parts. The unit is now working okay. Read more

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Frigidaire Freezer Thermistor (Temperature Sensor)
Genuine Frigidaire part
By: Frigidaire
Part Number: 241608501

This freezer thermistor is the sensor that reports compartment temperature to the control system. Replacing a faulty sensor restores accurate temperature feedback and normal cycling so the freezer maintains consistent, food-safe temperatures.

  • Monitors freezer temperature and sends a resistance signal to the control
  • Helps regulate compressor and evaporator fan operation for stable cooling
  • Failure can cause temperatures that are too warm or too cold
  • May lead to long run times, short cycling, or erratic temperature displays/alarms
What's included: 1 freezer thermistor Install notes:
  • Disconnect power before servicing
  • Access the sensor in the freezer and note its original routing and position
  • Install the new sensor in the same location; route wires along the factory path and ensure a secure connection
  • Restore power and allow up to 24 hours for temperatures to stabilize

Do-It-Yourself Stories from Customers like You The unit won't stay on the desired temperature.   Sharon B. • Westbury , NY • March 22, 2021

Hired a retired local appliance repairman who was recommended to me to replace parts. The unit is now working okay. Read more

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When it comes to maintaining your refrigerator, Frigidaire defrost thermostat, sensor replacement parts can make all the difference. These essential parts ensure that your fridge runs efficiently by managing the defrost cycle and temperature regulation. Quality Frigidaire parts on hand contribute significantly to keeping the cooling system in top shape.

Your refrigerator plays a vital role in preserving your food's freshness, and the Frigidaire defrost thermostat and sensor are key components in this process. These parts work together to prevent ice buildup on the evaporator coils and maintain the right temperature inside the fridge. Using Frigidaire replacement parts guarantees compatibility and high performance, as these OEM parts are specifically designed for your appliance.

With the right Frigidaire defrost thermostat, sensor, you can be confident that your refrigerator will continue to function smoothly, keeping your food fresh and your energy bills low. You can rely on the availability and quality of these replacement parts to keep everything running just the way it should.

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