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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

Hello Bob! Unfortunately, switch part number 19-49-343 has been discontinued with no further replacements or cross references available and our company is unaware of any other available sources. Sorry about that!

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1 Answer

Hello New B., According to the picture we have of the part 00414750, this one has three wires also. The only difference is this one will not click to an off position.

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Jerry C. for Model Number Thermador Control Housing VCH-6 SCC

Statement: The Bosch PN 414750 (AP2832180) Original PN 19-19-104 replacement part switch is the correct part for it. I questioned the ON/OFF mode which I thought was not there which your technician agreed. It turns out we were BOTH wrong for whatever reason. By putting a little more pressure on the shaft, the switch will turn off with a audible click. All is good to go as a proper replacement ON/OFF variable switch. Jerry Chin

1 Answer

Hi Jerry. Sometimes it is hard not to be directly in the field at times to see the part in action. We thank you for your response and pass it along to all who needs this information in the future. Thank You very much.

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1 Answer

Jerry, I do apologize for the issue. No other parts cross reference or are suggest replacements of this item. You will need to contact the manufacturer directly to file a complaint. Thanks.

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1 Answer

Hello Jerry. 00414750 is the only switch thermador offers for this cooktop. This is no longer a switch made with the on/off position according to the manufacture. Sorry.

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1 Answer

Hello Jerry. According to the manufacture, the speed control switch 00414750 only controls the speed and does not have an on/off setting. Hope this helps.

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Jerry for Model Number Thermador Tradewind Control Housing VCH-6 connected to a Wall Ventilator VR-1000

I have a Thermador Tradewind Control Housing VCH-6 connected to a Wall Ventilator VR-1000. The switch part numbers given are as follows: original 19-19-104 and your PN is AP2832180 (Bosch 414750). The replacement sent by you does not have a off/on "click" when rotated switched on. Instead it rotates freely with no click. Question: Is the power constantly on or is it off when the switch is rotated CCW or CW however it works. This is the best I am able to describe this switch in my possession from you.

1 Answer

Hello Jerry. The switch 00414750 is a variable speed control, and as you turn it, the motor goes faster and slower. Hope this helps.

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Andy G. for Model Number h65

Hi Specialist, About to place order and found that ... Based on the provided view, in the center one; black to with the label is in a different location on the new switch... My h65 shows white-swirl in the center, but yours shows black in the center and I have the black in the left hand side instead. Should I follow color for connection or the position? My 3 wires are coming out from side, but yours are coming from top. Are this the right one for Thermador H65 model. Thanks, Andy

1 Answer

Andy, Thanks for the inquiry. You do have the correct part number for your speed selector switch00414750. When you install the new switch and connect the wires. You will attach the wires by color, ie New black wire to original black wire, white with a black stripe to white with a black stripe, etc. Not by wire position. Hope this helps you out. You're welcome and Good Luck.

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