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Refrigerator Defrost Thermostat, Sensor

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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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Defrost Sensor Assembly
Genuine Lg part
By: Lg
Part Number: 6615JB2005H

The Defrost Sensor Assembly is an OEM part for LG refrigerators. This integral component plays a key role in monitoring the temperature within the refrigerator's freezer section, particularly during the defrost cycle. It ensures that the defrost system activates and deactivates at appropriate temperatures to maintain efficient operation and prevent frost buildup. 

Symptoms of a faulty defrost sensor assembly include:

  • Excessive frost or ice accumulation in the freezer
  • Refrigerator or freezer section experiencing temperature fluctuations
  • Defrost cycle not running or running too frequently

Causes of defrost sensor failure often involve damage from moisture or ice, electrical faults, or degradation over time, which can lead to inaccurate temperature readings and improper defrost cycle regulation.

This OEM LG part is also compatible with Sears/Kenmore.

Do-It-Yourself Stories from Customers like You Lg french door referigerator/ freezer error code er dh   Matthew W. • Columbus , NJ • November 20, 2014

Replaced defrost sensor in freezer compartment, if you are handy this is a do it yourself job. The cover in the freezer section just pops out not tools needed. You will need a few small zip ties and some cutters to remove the old zip ties. Take a picture were the old sensor was before removing and reinstall in the same place. I used a meter to check continuity of the defrost element and found the element to be ok. I was quoted $85 to have someone come to the house just to check the unit and... Read more

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Defrost Thermostat
Genuine Ge part
By: Ge
Part Number: WR50X10069

The Defrost Thermostat is an OEM part for GE refrigerators. It plays a crucial role in the defrost system by monitoring the temperature of the evaporator coil and ensuring that it stays within the optimal range to prevent frost buildup.

Over time, the defrost thermostat can fail due to normal wear and tear, electrical issues, or exposure to moisture. If the thermostat is not functioning correctly, it can lead to excessive frost buildup or the refrigerator not defrosting properly.

Symptoms of a bad defrost thermostat include:

  • Frost buildup on the evaporator coils
  • The refrigerator or freezer not cooling efficiently
  • The defrost heater not activating
  • Unusual temperatures in the refrigerator or freezer compartments

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

Do-It-Yourself Stories from Customers like You Freezer at 27 degree "f" and frig at 56 degree "f" too warm   Jorge A. • El Paso , TX • May 20, 2018

I am a home owner with no technical experience on doing refrigerator failures diagnostic/repair. So, I look for internet DIY type of help describing the symptoms. I found recommendations from Appliance Parts Pros going from the easy to the complex potential parts failures and decided to order the compressor start relay and the compressor overload. While waiting for the overnight delivery, came to my mind and decided to look to the freezer compartment and found frost all along the coils panel.... Read more

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Defrost Thermostat
Genuine Ge part
By: Ge
Part Number: WR50X10071

The Defrost Thermostat is an OEM part for GE refrigerators. It plays a critical role in the refrigerator's defrost system, preventing frost build-up on the evaporator coils by turning the defrost heater on and off at appropriate times. This component is designed to sense the temperature of the evaporator coils and activate the defrost heater when the coils get too cold, ensuring efficient operation and optimal cooling performance.

Symptoms of a bad Defrost Thermostat include:

  • Excessive frost or ice accumulation in the freezer compartment
  • The refrigerator or freezer section becoming too warm
  • The defrost heater not activating, leading to reduced efficiency

Causes of a bad defrost thermostat can include damage from moisture or ice, electrical failures within the thermostat, or simply wear and tear from regular use.

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

This part fixes the following symptoms
  • Fridge too warm
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Do-It-Yourself Stories from Customers like You The evaporator coil kept getting heavily frosted and the compressor ran almost continuously   Reid D. • Santa Maria , CA • April 01, 2016

The defrost heater element looked good and had continuity. The defrost thermostats checked good, so that just left the Defrost Module as the likely suspect. I installed a new defrost control module and thermostats. The thermostats were inexpensive and the old ones could have been intermittent, The only "tricky" part was finding out how to get to the back screw that holds the main control panel. Discovered that the return air duct surrounding the control panel needed to come off. It helps... Read more

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Defrost Thermostat
Genuine Ge part
By: Ge
Part Number: WR50X122

The Defrost Thermostat is an OEM part for GE refrigerators. It regulates the temperature of the defrost cycle by sensing the temperature of the evaporator coils and signaling the defrost heater to turn on or off. This helps prevent ice buildup on the coils, ensuring efficient cooling and proper refrigerator operation.

You should replace this defrost thermostat if it fails to regulate the defrost cycle correctly. Common causes of a bad thermostat include electrical failures, wear and tear from regular use, or damage from temperature fluctuations.

Symptoms of a bad defrost thermostat include:

  • Excessive frost buildup in the freezer
  • Refrigerator not maintaining the correct temperature
  • Defrost cycle not activating
  • Water leaking inside the refrigerator

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

This part fixes the following symptoms
  • Fridge too warm
  • Fridge runs too long
  • Freezer not defrosting
  • Freezer section too warm
See more...
Do-It-Yourself Stories from Customers like You Ice melting to a large clump and frost build up GE gss20ietdbb for years no parts were helping issue.   Dustin M. • Charlotte , NC • January 07, 2023

My GSS20IETD BB side-by-side refrigerator had been having the ice form into a single mass over a period of a week after cleaning it out. It actually kept breaking my ice maker auger and pushing the slide-in tray or shelf over the ice maker up breaking it also. Frost would form all over food after about a couple of weeks. The ice auger motor would freeze up and stop turning. The coils did not have frost on them when I was able to view them. I replaced the thermistors in the freezer, defrost the... Read more

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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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Defrost Thermostat Kit
Genuine Whirlpool part
By: Whirlpool
Part Number: 12001937

The Defrost Thermostat Kit is an OEM part for Whirlpool refrigerators. It regulates the temperature in the freezer during the defrost cycle, ensuring that the defrost heater activates to melt any frost buildup and then turns off to maintain the proper freezer temperature. This thermostat opens at 42°F and closes at 30°F. This mechanism allows for short, controlled heating periods to melt frost without affecting the contents of the appliance.

You should replace this defrost thermostat kit if it becomes defective. Common causes of a bad defrost thermostat include electrical failures, prolonged exposure to extreme temperatures, or wear and tear over time.

Symptoms of a bad defrost thermostat include:

  • Frost buildup in the freezer
  • The refrigerator running continuously without cycling off
  • The freezer not maintaining the correct temperature
  • Water leaks from the freezer during the defrost cycle

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

This part fixes the following symptoms
  • Freezer not defrosting
  • Freezer too cold
  • Fridge too warm
  • Freezer section too warm
See more...
Do-It-Yourself Stories from Customers like You Freezer was cold but refrigerator was warm   Beth M. • Marengo , IL • August 06, 2018

After we moved into our new home, we realized that the freezer was very cold and the fins were frosting over, and the refrigerator wasn't cold. We had to take it apart and manually defrost it about once every 8 to 10 days. After research online, we found Appliance Parts Pros videos, which clearly explained how to fix it ourselves, a savings of at least $1,000 or more, since a new one of this size would have been in the arena of $1,200 to $2000. We ordered the three most likely parts to be bad,... Read more

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Temperature Sensor
Genuine Whirlpool part
By: Whirlpool
Part Number: W10316760

The Refrigerator Temperature Sensor is an OEM replacement part for Whirlpool refrigerators. It is a crucial component responsible for accurately monitoring and regulating the temperature inside the refrigerator and freezer compartments.

Symptoms of a faulty temperature sensor include:

  • Inconsistent or fluctuating temperatures in the refrigerator or freezer
  • The refrigerator running continuously or not cooling properly
  • Error codes or indicators related to temperature control issues

Causes of a bad temperature sensor can include normal wear and tear over time, electrical malfunctions, sensor failure, or damage from moisture or condensation.

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore refrigerator models. 

Do-It-Yourself Stories from Customers like You The refrigerator was freezing the food   Gary A. • Bonney Lake , WA • January 15, 2021

Watched a video. Ordered a thermistor. Made the fix. $100 total including expedited shipping. Diagnosing the problem was more stressful than fixing. Read more

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Refrigerator Temperature Sensor
Genuine Samsung part
By: Samsung
Part Number: DA32-10109W

The Refrigerator Temperature Sensor is essential for maintaining the optimal performance of your Samsung refrigerator. This genuine OEM part ensures accurate temperature readings, allowing your appliance to regulate cooling efficiently. By replacing a faulty temperature sensor with this high-quality component, you can restore your fridge's ability to keep your food fresh and safe. Designed specifically for Samsung refrigerator models, the DA32-10109W offers seamless compatibility and reliable performance. Its durable construction guarantees long-lasting operation, minimizing the need for frequent replacements. Installing this temperature sensor is straightforward, helping you quickly get your refrigerator back to peak functionality. Investing in this genuine OEM part means you are choosing quality and dependability, ensuring your appliance runs smoothly and effectively. Trust the Refrigerator Temperature Sensor to enhance the reliability of your Samsung refrigerator and provide a consistent cooling environment for your household.

Do-It-Yourself Stories from Customers like You Refrig side not working   Phil G. • Shingle Springs , CA • December 03, 2014

Sensor near coils replaced did not need anything else. Read more

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Refrigerator Defrost Thermal Fuse Assembly
Genuine Samsung part
By: Samsung
Part Number: DA47-00095E

The Refrigerator Defrost Thermal Fuse Assembly is essential for maintaining the optimal performance of your Samsung refrigerator. This genuine OEM part plays a crucial role in the defrost system, ensuring that the freezer and refrigerator compartments remain at the correct temperatures. By regulating the defrost cycle, it helps prevent overheating and potential damage to your appliance. Compatible with a wide range of Samsung refrigerator models, this thermal fuse assembly guarantees a secure fit and reliable operation. Installing the genuine OEM Refrigerator Defrost Thermal Fuse Assembly means you can trust the quality and longevity of your refrigerator's defrost system, enhancing overall efficiency and extending the life of your appliance. Whether you're replacing a faulty fuse or upgrading your refrigerator's components, this genuine Samsung part provides the dependable performance you need for a smoothly running kitchen.

Do-It-Yourself Stories from Customers like You Refrigerator was quitting after defrost cycle. Owner was reseting by unpluging unit.   Larry G. • Syracuse , IN • March 24, 2014

I found freezer thermal link was open and not closing when cold. Replacement fixed problem. Read more

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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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Temperature Sensor
Genuine Lg part
By: Lg
Part Number: 6500JB2002X

The Temperature Sensor is an OEM part for LG refrigerators. Also known as a thermistor, is responsible for sensing the temperature changes and providing the necessary feedback to the refrigerator's control board. It helps maintain accurate and consistent temperature levels, ensuring optimal food preservation and efficient cooling.

Causes of a faulty temperature sensor can include wear and tear over time, damage due to electrical issues or exposure to extreme temperatures, or sensor calibration issues. These factors can result in temperature inconsistencies, inaccurate readings, or improper cooling performance of the refrigerator.

Symptoms of a bad temperature sensor may include:

  • Incorrect temperature readings on the control panel
  • Temperature fluctuations inside the refrigerator
  • Overcooling or inadequate cooling of food items

This OEM LG part can also be used on Kenmore/Sears appliances. 

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Defrost Thermostat
Genuine Whirlpool part
By: Whirlpool
Part Number: WP10442411

The Defrost Thermostat is an OEM part for Whirlpool refrigerators. It monitors the temperature of the evaporator coils and triggers the defrost cycle when the coils get too cold, preventing frost buildup and ensuring efficient cooling.  It operates by closing the heater circuit to initiate the defrost cycle. It opens the circuit when the temperature rises above 55 degrees Fahrenheit. It then resumes operation when the temperature drops to 20 degrees Fahrenheit.

Causes of a bad defrost thermostat can include regular wear and tear, exposure to moisture, or electrical issues. Over time, the thermostat may lose accuracy or stop working altogether, leading to frost accumulation or inefficient cooling.

Symptoms of a bad defrost thermostat include:

  • Excessive frost buildup in the freezer
  • The refrigerator running continuously or not cooling properly
  • The defrost heater not activating
  • The refrigerator cycling on and off frequently

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

This part fixes the following symptoms
  • Freezer not defrosting
  • Frost buildup
  • Fridge too warm
  • Fridge runs too long
See more...
Do-It-Yourself Stories from Customers like You Amana br18vw refrigerator wasn't staying cold   Adrian B. • Chicago , IL • February 08, 2015

I am not new to APP, fixed a tub belt on a Maytag dryer in the past. My frig started getting warm so I went onto to one of those "lists" sites and found a appliance repair place. The guys were great and came out right away. The tech said it was the cold control and $260 later my part was replaced, about 30 minutes. Great I thought until my frig started getting warm again. Those cold sensors on the beer bottles are a great indicator. Not wanting to spend another $260 I looked up on APP to see if... Read more

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Refrigerator Temperature Sensor Bracket
Genuine Samsung part
By: Samsung
Part Number: DA61-01800A

The Refrigerator Temperature Sensor Bracket is an essential component for maintaining optimal performance in your Samsung refrigerator. This genuine OEM part ensures precise temperature monitoring, which is crucial for keeping your food fresh and your appliance running efficiently. Designed specifically for Samsung refrigerators, the sensor bracket provides a secure and stable mounting point for the temperature sensor, enhancing its accuracy and reliability. By replacing a worn or damaged sensor bracket with this high-quality genuine OEM part, you can prevent temperature fluctuations and avoid potential cooling issues. Installation is straightforward, allowing you to restore your refrigerator's functionality quickly and easily. Investing in the Refrigerator Temperature Sensor Bracket means trusting in a durable and compatible solution that supports the longevity and efficiency of your Samsung appliance. Experience the peace of mind that comes with using a part designed to meet the exact specifications of your refrigerator, ensuring consistent performance and a better overall cooling experience.

Do-It-Yourself Stories from Customers like You Water overflowing into ice bucket   David C. • Wichita Falls , TX • June 17, 2015

Samsung refrrigerator. it started when the setting was on cubes but was putting out crushed ice. then months later the water refill was running down into the ice bucket causing a massive block of ice in the bucket. look closely at the first two or three cubes in the ice tray after they unload. mine were not dumping and staying in the tray. when the water refill kicked on it would overfill the tray (because of the leftover cubes remaining in the tray) and would run down into the ice bucket... Read more

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Bimetal Defrost Thermostat
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10165425

The Bimetal Defrost Thermostat is an OEM part for Whirlpool refrigerators. It plays a vital role in the defrost system, regulating the freezer temperature to prevent excessive frost buildup. The thermostat serves as a safety device by shutting off power to the defrost heater if the temperature gets too high, thereby protecting the appliance from overheating and potential damage. Its specifications include a 5-1/4" orange wire, a 25" brown wire, and a 1/2" clip.

You should replace the bimetal defrost thermostat if it becomes faulty. Over time, it can deteriorate due to normal wear and tear, electrical problems, or exposure to extreme temperatures, leading to malfunctioning of the defrost cycle.

Symptoms of a bad bimetal defrost thermostat include:

  • Excessive frost accumulation in the freezer
  • The refrigerator running continuously or not maintaining the proper temperature
  • The defrost heater failing to activate

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

This part fixes the following symptoms
  • Freezer not defrosting
See more...
Do-It-Yourself Stories from Customers like You Coil in freezer iced up and refrigerator would not cool   David M. • Ambridge , PA • December 10, 2015

My unit has a bottom freezer that is a drawer. I had to remove the drawer, rack, glides, glide tracks, and ice maker to remove the rear panel. This was a little difficult but after researching a few videos on line I learned some tricks that made it easier. I used a hair dryer to melt the ice. This is best done with 2 people having one at the back to sponge the water into a bowl from the pan to avoid a water mess. Using a bolt meter I checked the heating element and found it had continuity. I... Read more

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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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