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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

Dean, Are you sure you have 220 VAC at the outlet, and at the terminal block on the back of the dryer. Check and make sure all the terminals and connections on the terminal block are good and tight. If you're sure you have everything installed and wired correctly, you'll need to by pass the door switch and check for 120 VAC across the blue and white wires at the motor switch when the start button is activated. You may have a faulty contact in the timer, or loose connection causing low voltage to the motor.

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Answered by AppliancePartsPros.com   |   Wednesday, March 13, 2013

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