Bosch
Downdraft Ventilation System

Model #DHD965AUC Official Bosch downdraft ventilation system

Here are the diagrams and repair parts for Bosch DHD965AUC downdraft ventilation system, as well as links to manuals and error code tables, if available.

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Installation guideOwner’s manual

Showing 10 of 34 parts

Cover#21

Down draft assy Diagram

Cover

Part #840024
In Stock
$14.49
Capacitor#27

Down draft assy Diagram

Capacitor

Part #840038
Replaced by #00421429
?
Manufacturer substitution
This part replaces 840038. Substitute parts can look different from the original.
In Stock
$71.88
Edge Protector#28

Down draft assy Diagram

Scroll box

Part #840013
Replaced by #00421430
?
Manufacturer substitution
This part replaces 840013. Substitute parts can look different from the original.
In Stock
$57.68
Gearmotor#10

Down draft assy Diagram

Gearmotor

Part #840035

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

Top,ss,36"#14

Down draft assy Diagram

Top,ss,36"

Part #840009

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

Endcap, L#12

Down draft assy Diagram

Endcap, l

Part #840022

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

Airbox Assembly#6

Down draft assy Diagram

Airbox assembly

Part #840005

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

Top Brkt,r#16

Down draft assy Diagram

Top brkt,r

Part #840002

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

Template#33

Down draft assy Diagram

Template

Part #840054

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

Spacer#1

Down draft assy Diagram

Spacer

Part #840047

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: 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 19, 2022

Are DIY appliance repairs safe?

By Lyle Weischwill

Find out how to stay safe when repairing your appliances.

August 18, 2021

Wiring schematic symbols explained video

By Lyle Weischwill

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

By Lyle Weischwill

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