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Customer Questions and Answers for Water Inlet Valve by Bosch

4.89 (64)
By: Bosch
Part Number: OEM21579333
Manufacturer Part Number: 10023852

The Dishwasher Water Inlet Valve is an OEM part for Bosch dishwashers that is responsible for controlling the flow of water into the dishwasher at the start of each wash cycle. The water inlet valve opens to allow water to enter the dishwasher and then closes to ensure the correct amount of water is used during the cycle.  

Symptoms of a bad Dishwasher Water Inlet Valve include:

  • Inadequate water filling the dishwasher.
  • Overfilling, which can cause leaks and potential water damage.
  • Unusual noises coming from the valve area.
  • The dishwasher not starting.

Causes of a bad water inlet valve can vary from mineral buildup from hard water, which can block the valve, to mechanical failure or wear and tear over time. Electrical issues can also affect the valve's operation, preventing it from opening or closing properly.

This OEM Bosch part can also be used on Thermador and Gaggenau appliances.

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Questions & Answers

For Bosch Water Inlet Valve (Part Number: OEM21579333)

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Chris for Model Number SHP865ZD6N/01

As a landlord I have learned on your site that when a dishwasher isn't filling enough its usually a problem with the fill valve / relay or an obstruction in the water line. So when my Bosch SHP865ZD6N/01 wasn't cleaning well, wasn't dissolving the soap tab, and had a water level below the screen I ordered a new fill valve (in transit). But the Q&A here seems to indicate that the fill valve likely isn't at fault. Can you tell me (us) if Bosch is different and these don't fail in the same way? Or rarely fail? In another Q&A you said it might be the control board - is that the likely solution if not an obstruction? Thanks for everything!

Answer

Chris, the water inlet valve 10023852 should allow 1/2 gallon of water to pass through for every minute that it is activated. If the valve is producing 1/2 gallon of water after 1 minute (the control may stop filling briefly, then start again) then the failure would likely be in the control module 12026970. If the valve does not allow the proper amount of water to pass through within a collective 1 minute of operation, it has failed and would need to be replaced.

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Answered by AppliancePartsPros.com   |   Monday, April 5, 2021

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