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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

Josh, The thermal fuse WP3392519 on the blower housing reacts to heat in the blower housing (300 dgrs.+). This would normally be due to and exhaust air flow problem, or an overload in the drum. Check the heater element and wires to make sure there's nothing shorted to the element case or chassis. Then run the dryer with an average sized type load, with the vent disconnected from the dryer. The exhaust temperature should average 150 dgrs. and it should dry that type size load in approximately 30 to 40 minutes. You may have to estimate the total "operating" vent length and size according to the installation manual.

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Answered by AppliancePartsPros.com   |   Friday, June 17, 2016

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