Thermador
Downdraft Ventilation System

Model #UCVM30FS-01 Official Thermador downdraft ventilation system

Here are the diagrams and repair parts for Thermador UCVM30FS-01 downdraft ventilation system, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Showing 10 of 33 parts

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
Retaining#115

Range hood Diagram

Washer retainer

Part #603895
Replaced by #00603895
?
Manufacturer substitution
This part replaces 603895. Substitute parts can look different from the original.
In Stock
$8.36
Cable Support#121

Range hood Diagram

Line cord

Part #489303
Replaced by #00489303
?
Manufacturer substitution
This part replaces 489303. Substitute parts can look different from the original.
In Stock
$45.15
Bracket#109

Range hood Diagram

Bracket

Part #448675
Replaced by #00448675
?
Manufacturer substitution
This part replaces 448675. Substitute parts can look different from the original.
In Stock
$18.84
Rail#101

Range hood Diagram

Rail

Part #660504
Replaced by #00660504
?
Manufacturer substitution
This part replaces 660504. Substitute parts can look different from the original.
In Stock
$100.05
Downdraft Vent Wire Harness#130

Range hood Diagram

Cable harness

Part #669979
Replaced by #00669979
?
Manufacturer substitution
This part replaces 669979. Substitute parts can look different from the original.
In Stock
$139.05 | 
7% OFF 
Phone Price: $149.05
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
$10.43
Bracket#110

Range hood Diagram

Bracket

Part #448676
Replaced by #00448676
?
Manufacturer substitution
This part replaces 448676. Substitute parts can look different from the original.
In Stock
$18.84
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
$11.87
Cable Harness#103

Range hood Diagram

Cable harness

Part #499781
Replaced by #00499781
?
Manufacturer substitution
This part replaces 499781. Substitute parts can look different from the original.
In Stock
$15.75

Symptoms common to all downdraft ventilation systems

Choose a symptom to see related downdraft vent repairs.

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

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.

November 1, 2015
By Lyle Weischwill
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
November 1, 2015
By Lyle Weischwill
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
November 1, 2015
By Lyle Weischwill
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 30, 2022

How to enjoy all the online benefits we offer on our Sears PartsDirect website

By Lyle Weischwill

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.

August 19, 2022

Are DIY appliance repairs safe?

By Lyle Weischwill

Find out how to stay safe when repairing your appliances.

February 23, 2015

Troubleshooting tips for a rectractable downdraft vent

By Lyle Weischwill

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