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Customer Questions and Answers for Switch, Speed Control by Bosch

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Manufacturer Part
4.89 (64)
By: Bosch
Part Number: OEM8496549
Manufacturer Part Number: 00414750

The Switch Speed Control is an OEM component specifically designed for select Bosch downdraft ventilation hoods requiring variable ventilation levels. As an adjustable regulator, it modulates blower velocities responding to modes selected by end users. 

Causes requiring replacement involve cumulative use wearing down switching components through continuous cycles. Physical impacts risk separating connections or shorting protected circuitry.

Symptoms signaling the need for a new speed control switch include: 

  • Inability to adjust air exchange rates matching different cooking methods
  • Erratic transitions between programmed velocities disrupting performance  
  • Failure to consistently apply expected power levels to blowers

This OEM Bosch replacement component is also compatible with Thermador, Gaggenau, and some Kenmore ventilation hoods employing adjustable exhaust capacities. Correct installation restores intended variable operational control.
 

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Questions & Answers

For Bosch Switch, Speed Control (Part Number: OEM8496549)

1 Answer

Peter, To be able to assist properly with your question we will need to have the model number of your unit.

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1 Answer

John, without the model number for the unit in question, we would not be able to guarantee the proper operation of this switch. If the model number could be provided in a new inquiry, this will allow for the most accurate information to be presented.

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1 Answer

Hello Mark, I'm sorry but this part 00415397 has been discontinued by the manufacturer and no satisfactory substitutions have been provided. Thank you for your patience and understanding in this matter.

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1 Answer

Michael, The white wire with black stripe would most likely be connected to the white wire and the brown to the red wire. The other black should tie in with the black wires.

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1 Answer

Michael, you would need to change the entire speed control. The black wire goes to the black wire splice from the light switch. The tan wire goes to the white wire from the pilot light. The black and white wire goes to the red wire.

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1 Answer

Lewis, Unfortunately the speed control switch 00486762 for your unit has been discontinued by the manufacturer with no suitable replacement available.

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1 Answer

MC, The blower housing on this unit would be a separate part or model number from the unit itself. You would need to look on the side of the motor and see if there is a part number on it.

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T Davis for Model Number custom hood fan

My son has a custom made range hood with variable speed exhaust fan, and the control is in the wall next to the cooktop. The knob to the rheostat was lost and a repair man removed the unit and replaced it with the only one he could find. But it no longer works correctly. You must turn the knob all the way on to turn the fan on, and it only operates at the highest speed...no more variable speeds. What kind of rehostat should be used. This is a custom fan that was made to order and I have no information on it, Please help!

1 Answer

Hello Oscar, You should verify the model number from the units' I'.D. tag since I have been unable to get this number to pull up as a valid number. I'm sorry for the added trouble. Thank you for your patience and understanding in this matter.

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