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Customer Questions and Answers for Water Level Switch (Float) by Whirlpool

4.89 (64)
By: Whirlpool
Part Number: OEM18043332
Manufacturer Part Number: WP99002560

This water level switch senses the dishwasher's tub float and controls the water inlet. Replacing a worn switch restores correct filling, helping prevent overfilling or dry cycles that can reduce cleaning performance. What it does:

  • Monitors the float position to open/close the fill circuit at the proper water level
  • Common symptoms: dishwasher won't fill or stops filling too soon
  • May also cause continuous filling/overfill if contacts are stuck closed
  • Intermittent operation can leave the tub underfilled and washing performance poor

What's included:

  • 1 water level (float) switch

Install notes:

  • Disconnect power and shut off the water supply before servicing
  • Remove the toe/kick panel to access the switch near the float assembly under the tub
  • Note wire positions; transfer connectors one at a time and secure the switch in its bracket
  • The float moves freely and actuates the switch before reassembly and testing

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Questions & Answers

For Whirlpool Water Level Switch (Float) (Part Number: OEM18043332)

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Answer

John, The proper water level in the bottom of the tub should be determined by starting the dishwasher, allowing it to run three to five minutes, then unlatch the door, and remove the lower rack. If the water level is correct, the heater element should be partially, to fully submerged. If the water level is proper, you'll need to check the lower spray arm 6-903473, and the support seal rings 912313 for leaks and water mis direction along the bottom of the door.

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Answered by AppliancePartsPros.com   |   Tuesday, October 16, 2012

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