GE
Downdraft Ventilation System

Model #ZVB30BB4BB Official GE downdraft vent system

Here are the diagrams and repair parts for GE ZVB30BB4BB downdraft vent system, as well as links to manuals and error code tables, if available.

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Showing 10 of 38 parts

Seal#50

Range hood Diagram

Seal

Part #WB02X10307
In Stock
$21.85
Installation#999

Range hood Diagram

Installation

Part #49-8938
In Stock
$17.99
Trim#17

Range hood Diagram

Trim

Part #WB07X10332
In Stock
$185.37
Cooktop Seal#9

Range hood Diagram

Cooktop seal

Part #WB02X10309
In Stock
$28.88
Screw 10-24x#34

Range hood Diagram

Screw pan he

Part #WB01X10008
Replaced by #WB01X10324
?
Manufacturer substitution
This part replaces WB01X10008. Substitute parts can look different from the original.
This item is not returnable
In Stock
$5.00
Zvb30, 36 Us#999

Range hood Diagram

Zvb30, 36 us

Part #49-8932
Replaced by #49-8932-1
?
Manufacturer substitution
This part replaces 49-8932. Substitute parts can look different from the original.
In Stock
$18.59 | 
10% OFF 
Phone Price: $20.59
Range Hood Fan Speed Control Kit#12

Range hood Diagram

Range hood fan speed control kit

Part #WB24X10035

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

Switch#39

Range hood Diagram

Switch

Part #WB24X10054

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

Screw Black#67

Range hood Diagram

Screw black

Part #WB01X10003

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

Roller#6

Range hood Diagram

Roller

Part #WB02X10306

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.