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Customer Questions and Answers for Temperature Switch (Smart Atc) by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18049203
Manufacturer Part Number: WPW10179666

This Smart ATC temperature switch senses and helps regulate oven temperature for more consistent cooking. It replaces a failed switch to restore correct temperature feedback to the range control for accurate heating. What it does:

  • Detects oven temperature and sends a signal to the control so heating elements cycle appropriately
  • Helps correct issues where the oven runs too hot, too cold, or cycles erratically
  • Works as part of the temperature control system—does not include the main control board
  • Replaces a worn or failed temperature/A.T.C. sensor switch to restore proper temperature sensing
What's included:
  • One temperature switch (Smart ATC)
Install notes:
  • Disconnect power to the appliance before starting any repair to avoid shock or injury
  • Access typically requires removing the oven control panel or back panel; keep track of screws and wire connections
  • Handle the switch and connector gently to avoid damage; verify wiring matches original before reconnecting

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$158.95

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Questions & Answers

For Whirlpool Temperature Switch (Smart Atc) (Part Number: OEM18049203)

1 Answer

Hello Miguel,

You will want to check your water temperature thermistor. At 77 degrees it should read between 49 and 51kohms. If not reading this then the thermistor is faulty and needs to be replaced.

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1 Answer

Hello Albert. Based on the information you provided, it sounds like the sensor switch WPW10292584 is bad and will need to be replaced in the unit. If this switch is bad, it will prevent water from filling into the unit.

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1 Answer

Hello Willard,

This is most likely the cold water inlet valve. The ATC could be defective, but is less often the issue. I doubt the flow switch is the issue as it monitors the hot water inlet also.

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1 Answer

Hello Jim. Based on the information you provided, the timer WPW10243947 and the sensor switch WPW10292584 will need to be replaced to repair the issue. The timer is the agitation and the sensor switch is the water. These work together and will cause this issue. Hope this helps.

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1 Answer

Hello Nicole. You will need to disconnect the power to the unit. The use a flat blade putty knife and release the tabs under the front corners of the control panel and flip the control panel backwards. Remove the knob and the wires from the switch. Release the tab on the switch and twist the switch to remove it. Reinstall with the new temperature switch WPW10179666 in reverse order. Hope this helps.

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