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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

Dan, Do you have 220/240 VAC at the terminal block on the back of the dryer, with the cord plugged into the socket ? be careful, that's a live voltage test. You may want to try this, disconnect one of the wies from the element terminal, and start the dryer on a heat cycle, check the empty terminal of the element to chassis ground for 120 VAC, if the wire traces back to the thermostats, you'd have an open wire or a bad contact at the timer. Check from the wire terminal of the wire you removed to chassis ground for 120 VAC, if the wire traces back to the motor, you would have an open wire or a bad heat circuit in the motor switch. Thanks and Good Luck

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Answered by AppliancePartsPros.com   |   Tuesday, November 29, 2011

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