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Customer Questions and Answers for Microwave Thermostat by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18027801
Manufacturer Part Number: WP4358609

This thermal safety device monitors temperature in your microwave and shuts off power if overheating occurs. It protects the magnetron and other components from damage due to excessive heat. Replace it if your microwave stops heating, runs but doesn't heat food, or shuts off unexpectedly.

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