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Customer Questions and Answers for Water Temperature Switch by Whirlpool

4.89 (64)
By: Whirlpool
Part Number: OEM18049497
Manufacturer Part Number: WPW10184148

The Water Temperature Switch is an OEM replacement part for Whirlpool washing machines. This switch monitors incoming water temperatures to ensure they fall within the thresholds required for selecting dependent wash cycles. It plays an important safety function by preventing the activation of vulnerable "hot" cycles if water is too cool. 

Causes of a bad water temperature switch can include failures from repetitive heating/cooling cycles, mineral deposits obstructing sensors over time, or defective temperature sensing mechanisms.

Symptoms of a bad water temperature switch include:

  • Inability to select high-temperature cycles  
  • Fault codes related to water supply temperatures
  • Potential improper washing if the temperature reading is inaccurate

This OEM Whirlpool 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 Water Temperature Switch (Part Number: OEM18049497)

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Brian A for Model Number ETW4400WQ1

I was told to replace the W10184148 part after my washer would start to fill but then shortly turn off within 10-15 seconds. Now since I've inserted the new one I can only get a full cycle to fill and run on the Highest Hot/Cold setting. The other three still have the same previous issue of starting and then turning off after several seconds. I've double checked the water lines. They are clear. Is there another issue elsewhere? Or is it a faulty product part? All the info seems to match except it does say Rev C instead of Rev B switch

Answer

Brian, with a cycle started and the temperature set to cold, the temperature switch WPW10184148 would need to be tested for 120VAC at the wire on pin 5. If there is 120VAC, the wire at pin 1 would need to be tested for 120VAC. If there is not voltage at pin 1, the temperature switch is the issue. If there is voltage, the water valve would need to be tested for 120VAC, and if there is not, the wire harness W10307145 has failed. If there was not 120VAC at any test point, the wire harness has failed. Unfortunately, the harness has been discontinued by the manufacturer and is no longer available.

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Answered by AppliancePartsPros.com   |   Wednesday, February 21, 2024

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