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Admiral Defrost Thermostat, Sensor

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Admiral Thermistor Kit
Genuine Whirlpool part
By: Whirlpool
Part Number: 12002355

The Thermistor Kit is an OEM part for Whirlpool refrigerators and freezers. This component plays a role in monitoring and controlling the temperature within your appliance. A thermistor is a type of resistor whose resistance changes with temperature changes, allowing the refrigerator's control system to accurately maintain the desired cooling levels based on the readings it provides. 

Causes of a bad thermistor can include wear and tear from constant use, exposure to extreme temperatures that can damage the component, or electrical issues such as short circuits.

Symptoms of a bad Thermistor Kit include:

  • The refrigerator or freezer is too cold or not cold enough
  • The appliance cycles on and off more frequently or for longer periods than normal
  • Unexplained changes in temperature settings

This OEM Whirlpool part can also be used on Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore/Sears brand appliances.

This part fixes the following symptoms
  • Fridge too cold
  • Freezer too cold
  • Fridge too warm
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Do-It-Yourself Stories from Customers like You Amana model afd2535deb freezer cold fridge too warm not defrosting   Dan R. • Woodruff , SC • November 09, 2015

Toughest part of this repair is figuring out how to get things apart. Amana doesn't provide you a repair manual showing how to disengage the various plastic covers. Initially disassembled the bottom freezer compartment so I could get to the evaporator coils; they were completely frozen in block of ice, restricting air flow to the fridge above. Obviously, the auto defrost cycle had not been running, or was short-cycling. Manually defrosted. Found this link for running diagnostic tests on the... Read more

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Admiral Defrost Bimetal
Genuine Whirlpool part
By: Whirlpool
Part Number: WP4387503

The Defrost Bimetal is an OEM part for Whirlpool refrigerators. It acts as a safety thermostat that monitors and controls the temperature during the defrost cycle. This component ensures that the defrost heater turns off when the evaporator coil reaches a specific temperature, preventing overheating and potential damage.

Causes of failure may include a malfunction due to wear and tear over time, electrical failure, or damage from moisture and ice.  

Symptoms of a bad Defrost Bimetal include:

  • The refrigerator is constantly running without cycling off
  • Frost buildup on the evaporator coils, leading to reduced cooling efficiency
  • The refrigerator or freezer compartment is too warm
  • Unusual fluctuations in refrigerator temperature

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

This part fixes the following symptoms
  • Frost buildup
  • Freezer too cold
  • Freezer not defrosting
  • Fridge too cold
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Do-It-Yourself Stories from Customers like You Frost buildup. Food not completely frozen. Running continuously and refrigerator too warm   Robert K. • Louisville , KY • February 07, 2021

By reading stories of other customers who had bought this part, the first thing I looked for when troubleshooting my near-18 year old Frigidaire was for the top to be erupted or raised up on the bimetal defrost. It was truly a case of “look for the simple explanation first.” Once I determined that the bimetal defrost appeared to be the culprit, I ordered the part from Appliance Parts Pros. The back panel (evaporator cover) on my freezer was totally encrusted with ice. So I'm waiting for this to... Read more

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Admiral Icemaker Cycling Thermostat
Genuine Whirlpool part
By: Whirlpool
Part Number: WP627985

The Icemaker Cycling Thermostat is an OEM part for Whirlpool refrigerators. This thermostat plays a crucial role in the icemaker's operation by monitoring the temperature in the icemaker and ensuring it is at the appropriate level for proper ice production. It reads the temperature to determine when the icemaker should cycle on and off.

Causes of a bad icemaker cycling thermostat can include electrical malfunctions, temperature sensor issues, or wear and tear.

Symptoms of a bad icemaker cycling thermostat may include:

  • Inconsistent ice production.
  • The icemaker not cycling properly.
  • The icemaker not dumping the ice into the ice bin.

This OEM Whirlpool part can also be used on Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore/Sears brand appliances.

This part fixes the following symptoms
  • Ice maker not making ice
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Do-It-Yourself Stories from Customers like You Ice maker wouldnt make ice   Ty G. • Lewis Center , OH • December 30, 2014

I used your online troubleshooting tips and watched the videos on your site. I determined my thermostat was defective, ordered the thermostat which arrived in two days and I replaced the thermostat and I now have a full bin of ice !!! The do it yourself video was extremely helpful and made the repair very easy. Thanks so much for the great service and quick delivery !!! Read more

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Admiral Defrost Thermostat
Genuine Whirlpool part
By: Whirlpool
Part Number: WP67003426

The Defrost Thermostat is an OEM part for Whirlpool refrigerators. It monitors the temperature of the evaporator coil and signals the defrost heater to turn on when necessary, preventing frost buildup on the coil.

You should replace the defrost thermostat if it becomes faulty or damaged. Causes of a bad defrost thermostat can include electrical issues, exposure to moisture, or general wear and tear over time.

Symptoms of a bad defrost thermostat include:

  • Frost buildup on the evaporator coil
  • The refrigerator running constantly or not cooling properly
  • Water leaks inside the refrigerator
  • The defrost heater not activating 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
  • Fridge too warm
See more...
Do-It-Yourself Stories from Customers like You Amana model afd2535deb freezer cold fridge too warm not defrosting   Dan R. • Woodruff , SC • November 09, 2015

Toughest part of this repair is figuring out how to get things apart. Amana doesn't provide you a repair manual showing how to disengage the various plastic covers. Initially disassembled the bottom freezer compartment so I could get to the evaporator coils; they were completely frozen in block of ice, restricting air flow to the fridge above. Obviously, the auto defrost cycle had not been running, or was short-cycling. Manually defrosted. Found this link for running diagnostic tests on the... Read more

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Admiral 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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Admiral Defrost Thermostat (Refrigerator)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP67004757

This refrigerator defrost thermostat senses evaporator temperature and controls power to the defrost heater. It melts frost when needed and shuts the heater off at a safe temperature to protect components and keep cooling performance steady.

  • Monitors coil temperature and opens/closes the defrost heater circuit
  • Terminates the defrost cycle at a safe cutoff to prevent overheating
  • Helps keep the evaporator clear of ice so air can circulate
  • Common symptoms: heavy frost on the freezer back wall/evaporator, warm refrigerator section, fan noise from ice, long run times with little or no defrosting
What's included: 1 defrost thermostat Install notes:
  • Disconnect power before service; use cut-resistant gloves
  • Access the evaporator behind the freezer rear panel and fully thaw any ice using heat-safe methods—never chip or pry
  • Reinstall the thermostat in the original location with firm metal-to-metal contact on the evaporator; route and secure wiring as originally
  • After reassembly, verify defrost operation and confirm unobstructed airflow

This part fixes the following symptoms
  • Freezer not defrosting
  • Freezer section too warm
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Do-It-Yourself Stories from Customers like You Fridge not cooling freezer eval coil frosted over   Tom A. • Ridgecrest , CA • June 10, 2016

Ended up being the defrost sensor. Ordered the heater and control board just in case. Started with the control board still didn't defrost. replaced the sensor and all is well. Super helpful tech staff answered all my questions... Read more

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Admiral Defrost Thermostat (Bi-Metal)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP1-81801-001

This defrost thermostat is a bi-metal switch that senses evaporator temperature during defrost and opens to stop heater power once the coil warms. Replacing a failed thermostat restores proper defrost, reducing ice buildup and airflow-related cooling problems.

  • Monitors evaporator coil temperature during defrost
  • Opens the heater circuit at a set temperature; recloses when cold for the next defrost
  • Helps protect against overheating and ensures consistent defrost operation
  • Common symptoms: heavy frost on the evaporator, weak airflow/warm fresh food section, repeated ice buildup after manual defrost
Includes: 1 defrost thermostat Install notes:
  • Disconnect power before servicing; wear cut-resistant gloves
  • Access the thermostat at the evaporator behind the freezer's rear panel
  • Move wires one-for-one from the old part; mount in firm contact with the coil/tubing and secure leads away from the fan
  • After installation, the thermostat should show continuity when cold and open circuit when warm

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Admiral Defrost Thermostat (Bi-Metal)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP61005254

This defrost thermostat is the temperature limit switch for the evaporator. It lets the defrost heater run when coils are icy and opens as they warm to end the cycle, helping stop frost buildup and restore steady cooling.

  • Monitors evaporator temperature; closed when cold to allow the defrost heater to energize
  • Opens as the coil warms to terminate defrost and protect components from overheating
  • Failure may cause heavy frost on the back wall/evaporator and weak airflow or a warm refrigerator section
  • Can also lead to long run times or cooling that returns only briefly after a manual defrost
Includes: One defrost thermostat Install notes:
  • Unplug the refrigerator or disconnect power before servicing
  • Located behind the freezer's rear panel on the evaporator; remove shelves/ice bin and panel to access
  • Reinstall in the same position/clip for firm contact with the coil or tubing
  • Make secure, insulated wire connections and route wiring away from sharp edges and moving parts
Troubleshooting tip: At room temperature the thermostat should read open (no continuity); when chilled below freezing, it should read closed (continuity).

This part fixes the following symptoms
  • Freezer section too warm
  • Fridge too warm
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Do-It-Yourself Stories from Customers like You Ice build up in top freezer of refrigerator   Kevin S. • Mission Viejo , CA • May 13, 2015

After watching numerous videos I was able to discern that the problem was with one of the following: the timer, the heater, or the thermostat. a short time check showed me that the timer was working so that narrowed it down to the other two. Not having the necessary tools to check those two I ordered both parts. Once the parts came and I took out the old parts it was quite evident that it was the heater since it had black burn marks on it. I decided to install the thermostat also since it... Read more

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Admiral Defrost Thermostat (Bimetal)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP61002992

This defrost thermostat senses the evaporator coil temperature and controls the defrost heater. Replacing a failed thermostat restores proper defrosting to prevent heavy frost buildup and helps your refrigerator keep consistent, reliable cooling.

  • Monitors evaporator temperature to allow the defrost heater to energize and to terminate the cycle as the coil warms
  • Protects against overheating in the evaporator area during defrost
  • Failure symptoms include frost/ice buildup on the evaporator cover, reduced airflow, fresh food section warming, or the unit not defrosting
  • Typically mounts clipped to the evaporator tubing inside the freezer
What's included: One defrost thermostat Install notes:
  • Disconnect power before servicing and remove the freezer's rear panel to access the evaporator
  • Transfer the clip/bracket if present and mount the new thermostat in the same location, ensuring firm metal-to-metal contact with the evaporator tubing
  • Route wires away from the heater and moving parts; secure connections and reassemble panels before restoring power
  • Wear cut-resistant gloves—sheet-metal edges can be sharp

This part fixes the following symptoms
  • Freezer section too warm
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Do-It-Yourself Stories from Customers like You Clips heater and thermostat defrost was rusted and not operating   Jacqueline S. • New Orleans , LA • March 15, 2015

I removed the back panel in freezer and light cover then the following: remove the rusted clips, unplug heater and replaced new heater, the thermostat defrost I unfasten, clip on replacement and connected plugs. Read more

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Admiral Defrost Thermostat
Genuine Whirlpool part
By: Whirlpool
Part Number: WP52085-28

Open(F) 47, close(F) 15, clip style - snap-on

This part fixes the following symptoms
  • Fridge too warm
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Do-It-Yourself Stories from Customers like You The ice was building up on both ide of the shelf seperating the refrigerator and freezer section   Raman P. • West Chester , PA • December 25, 2015

Replaced the heater coil and the Thermostat underneath the freezer floor. 1. Unplug the Power, allow the ice build-up to thaw (Use hair-dryer). 2. Remove the heavy duty Plastic Tray (Freezer Floor) very carefully (the left and right side lips of the tray are snapped behind the sides of the freezer frame, un-snap the lips using flat spatula) . Gently pull out the Tray 3 Remove the plastic shroud (cold air diverter) at the back of freezer section (after removing the screw, tuck-up the shroud to... Read more

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Admiral Thermostat
Genuine Whirlpool part
By: Whirlpool
Part Number: 60413-4

 

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Admiral Thermostat/Harness F
Genuine Whirlpool part
By: Whirlpool
Part Number: 67003361

 

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Admiral Fuse Box Kit
Genuine Whirlpool part
By: Whirlpool
Part Number: 68001652

 

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Admiral defrost thermostat, sensor replacement parts are essential for keeping your refrigerator running smoothly. These parts ensure that your fridge maintains the right temperature, preventing the buildup of frost and keeping your groceries fresh. Whether it's an Admiral defrost thermostat or an Admiral temperature sensor, these components play a crucial role in the overall performance of your appliance.

The importance of a fully functional refrigerator can't be overstated. Admiral parts, like the defrost thermostat and sensor, help maintain the consistent cooling necessary for food preservation. Without these parts, your fridge might struggle to keep things cool, leading to spoiled food and unnecessary waste. Using OEM replacement parts ensures that you get the best quality and compatibility for your appliance, guaranteeing it works as efficiently as possible.

With a trusty Admiral defrost thermostat or sensor, you can have peace of mind knowing your refrigerator will stay in top condition. These parts are readily available and designed to fit perfectly with your appliance, ensuring a hassle-free replacement process. Remember, maintaining the right components in your fridge is key to its longevity and efficiency.

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