Water can get into the power module, posing a fire hazard.
https://www.cpsc.gov/Recalls/2018/InSinkErator-Recalls-SinkTop-Switch-Accessory-for-Garbage-Disposals-Due-to-Fire-Hazard#
https://www.cpsc.gov/es/Recalls/2018/InSinkErator-Recalls-SinkTop-Switch-Accessory-for-Garbage-Disposals-Due-to-Fire-Hazard
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