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Customer Questions and Answers for Thermistor by Whirlpool

4.89 (64)
By: Whirlpool
Part Number: OEM18040551
Manufacturer Part Number: WP8577274

The Thermistor is an OEM part for Whirlpool brand dryers. It is a temperature-sensing resistor that monitors air temperature changes during the drying cycle. The thermistor provides feedback to the control board on heating element performance and internal air condition. 

Symptoms of a failed thermistor include:

  • Inaccurate temperature readings and selections  
  • Improper or incomplete drying
  • Safety issues from overheating due to lack of feedback
  • Error codes displayed on the control panel

Causes can be related to normal wear and environmental exposure over time. Failure prevents the dryer from achieving optimal drying conditions.

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

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Questions & Answers

For Whirlpool Thermistor (Part Number: OEM18040551)

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Answer

Lori, You will want to test the thermistor at the control board connection to make sure that there is proper resistance. The reason to do a the control board would be so that you are testing the wires as well. At 70 degrees the thermistor should read 11.5K to 13.5K ohms. At 80 it would be between 8.5K and 10.5K ohms. Also test the exhaust thermistor as it could be faulty as well. It is possible that the wiring harness could be bad also. If all checks ok then the issue will be in the control board.

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Answered by AppliancePartsPros.com   |   Friday, September 26, 2014

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