Thermador
Downdraft Ventilation System

Model #UCVM36FS-01 Official Thermador downdraft ventilation system

Here are the diagrams and repair parts for Thermador UCVM36FS-01 downdraft ventilation system, as well as links to manuals and error code tables, if available.

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Installation guideOwner’s manual
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Parts List

Showing 10 of 33 parts

Downdraft Vent Up/Down and Fan Control Switch#129

Range hood Diagram

Operation module

Part #669978
Replaced by #00669978
?
Manufacturer substitution
This part replaces 669978. Substitute parts can look different from the original.
Back Order
$196.09 | 
5% OFF 
Phone Price: $206.09
Sealing#108

Range hood Diagram

Seal strip

Part #499782
Replaced by #00499782
?
Manufacturer substitution
This part replaces 499782. Substitute parts can look different from the original.
In Stock
$60.09 | 
8% OFF 
Phone Price: $65.09
Sleeve#114

Range hood Diagram

Sleeve

Part #603916
Replaced by #00603916
?
Manufacturer substitution
This part replaces 603916. Substitute parts can look different from the original.
In Stock
$23.67
Spring#125

Range hood Diagram

Spring

Part #603918
Replaced by #00603918
?
Manufacturer substitution
This part replaces 603918. Substitute parts can look different from the original.
In Stock
$26.29
Downdraft Vent Cushion Spring Guide#126

Range hood Diagram

Guide spring

Part #603919
Replaced by #00603919
?
Manufacturer substitution
This part replaces 603919. Substitute parts can look different from the original.
In Stock
$33.22
Downdraft Vent Low-Voltage Transformer#102

Range hood Diagram

Transformer

Part #499780
Replaced by #00499780
?
Manufacturer substitution
This part replaces 499780. Substitute parts can look different from the original.
In Stock
$136.32
Range Hood Interlock Switch#128

Range hood Diagram

Switch

Part #603901
Replaced by #00603901
?
Manufacturer substitution
This part replaces 603901. Substitute parts can look different from the original.
In Stock
$39.33
Downdraft Vent Switch#127

Range hood Diagram

Switch

Part #603900
Replaced by #00603900
?
Manufacturer substitution
This part replaces 603900. Substitute parts can look different from the original.
In Stock
$28.20
Downdraft Vent Cushion Spring Bracket#117

Range hood Diagram

Sheet

Part #603899
Replaced by #00633177
?
Manufacturer substitution
This part replaces 603899. Substitute parts can look different from the original.
In Stock
$95.98
Rail#124

Range hood Diagram

Rail

Part #660525

The manufacturer no longer makes this part, and there's no substitute part

Symptoms common to all downdraft ventilation systems

Choose a symptom to see related downdraft vent repairs.

Main causes: fan control switch failure, bad blower fan motor, broken blower wheel, wiring failure
Main causes: electrical power failure, up/down activation switch problems, vent gear motor failure
Main causes: clogged grease filters, air duct problems, fan motor failure, broken blower wheel
Main causes: problems with the vent limit switches, up/down activation switch failure
Main causes: lack of electrical power, up/down activation switch failure, bad vent gear motor

Repair guides common to all downdraft ventilation systems

These step-by-step repair guides will help you safely fix what’s broken on your downdraft vent.

How to replace a downdraft vent up/down switch

The up/down switch starts the gear motor to raise and lower the air vent. Replace the up/down switch if defective.

Repair difficulty
Time required
 15 minutes or less
How to replace a downdraft vent blower motor

The blower motor spins the fan blade that removes smoke and steam from the cooktop area. Replace the blower motor if it doesn't run when activated.

Repair difficulty
Time required
 15 minutes or less
How to replace a downdraft vent gear motor

The gear motor raises and lowers the air vent when you push the activating switch. Replace the gear motor if defective.

Repair difficulty
Time required
 15 minutes or less

Articles and videos common to all downdraft ventilation systems

Use the advice and tips in these articles to get the most out of your downdraft vent.

August 19, 2022

Are DIY appliance repairs safe?

Are DIY appliance repairs safe?

Find out how to stay safe when repairing your appliances.

August 18, 2021

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.

February 23, 2015

Troubleshooting tips for a rectractable downdraft vent

Troubleshooting tips for a rectractable downdraft vent

See what to check if you are having a problem with a retractable downdraft vent.