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Customer Questions and Answers for Defrost Thermostat by Whirlpool

4.89 (64)
By: Whirlpool
Part Number: OEM18031077
Manufacturer 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.

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Questions & Answers

For Whirlpool Defrost Thermostat (Part Number: OEM18031077)

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Answer

Hello Justin. You are saying that the fans are running. Check if the compressor is running too. If it's running, you have a sealed system problem and need a licensed professional to look at it. If the compressor is trying to kick in making a click sound every few minutes, then you should try to replace the start relay/overload assembly p/n AP6016830. Good luck.

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Answered by AppliancePartsPros.com   |   Friday, April 10, 2020

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