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Customer Questions and Answers for Vent Switch by Bosch

4.89 (64)
By: Bosch
Part Number: OEM8477022
Manufacturer Part Number: 00189968

The Vent Switch is an OEM replacement part for Bosch range hoods. It is an electronic control device located inside the range hood that regulates the internal vent and fan functions.

Causes of a faulty vent switch can include long-term use in high-heat cooking environments, damage from accidental spills or impacts, or normal component degradation over time.

Symptoms include:

  • Failure of the fan or vents to engage during cooking  
  • Variable or inconsistent fan speeds that don't adequately vent smoke
  • Electrical shorting or sparking noises from within the hood control unit

This genuine Bosch replacement part is also compatible with Thermador, Gaggenau, and some Kenmore range hood models.

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Questions & Answers

For Bosch Vent Switch (Part Number: OEM8477022)

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Jim for Model Number cvs36r

Hi. As I mentioned in the last question, there are no numbers on the old switch but black is obvious where that goes and white has no number association either on the switch or the leads on the vent side. Why would the switch have the same color wire if orientation was critical! I see the diagram and can distinguish which is 2 and 3 on the switch but not on the vent side leads as they are not numbered. What if i mix them up? Thanks as I hope you can answer my question. JIm

Answer

Jim, The wiring diagram that I have only shows the switch having numbers on the original in which one white goes to 3 which is NO the other white will go to 2 which is NC. I can not specify which of them is the one that would go where but you could try to hook them up one way and if it does not work then reverse them.

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Answered by AppliancePartsPros.com   |   Friday, April 6, 2018

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