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Customer Questions and Answers for Lower Blower Assembly by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18044202
Manufacturer Part Number: WPW10016550

The Lower Blower Assembly is an OEM component for Whirlpool ranges. Located underneath the oven cavity, the lower blower assembly circulates heated air throughout the oven chamber during all cooking functions that require convection. 

Causes of a bad lower blower assembly can include failure of the electric motor due to extended periods of high-heat operation. Excessive grease or dirt buildup within the fan housing can also restrict airflow and impede performance over time.

Symptoms of a bad lower blower assembly include:

  • Improper or inadequate air circulation within the oven 
  • Slow or incomplete cooking even on convection bake settings
  • Abnormal rattling or grinding noises emanating from below
  • Failure to engage or power on the lower blower fan

Compatible models also include ranges by Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, and some Kenmore brands.

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Questions & Answers

For Whirlpool Lower Blower Assembly (Part Number: OEM18044202)

1 Answer

Hello Lee, there are 2 cool fans , one for each oven. The upper fan is WP4455334, the lower fan is WPW10016550. One of the fans is not working, you would need to unmount the wall oven and access the rear panel and remove it to access the fans to check, however as a rule of thumb if one fan is worn out both fans are usually recommended to be replaced.

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1 Answer

Sai, With the issue that you are having with the unit. this would be caused by a stuck relay on the control board which is part number WP4456048.

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1 Answer

Hello Ralph. You need to remove the oven from the wall and remove the back panel to access and replace the blower motor in the unit.

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1 Answer

Hello John. No, the unit will need to be removed from the wall to replace the blower motor. Access is from the back of the unit.

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