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Broan
Downdraft Ventilation System

Model # ILB6 Official Broan inline blower

Here are the diagrams and repair parts for Official Broan ILB6 inline blower, as well as links to manuals and error code tables, if available.

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Installation guide

Model diagram and schematic

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Showing 10 of 32 parts  |
Downdraft Vent Transition S423
#29

Main asy diagram

Downdraft vent transition

Part #S423

$91.56
In Stock
Installation Instructions 99043701C
#NI

Main asy diagram

Installation instructions

Part #99043701C

This item is not returnable
$2.16
In Stock
Nut 3/8-16 93260456
#22

Main asy diagram

Nut 3/8-16

Part #93260456

This item is not returnable
$4.44
In Stock
Downdraft Vent Blower Motor 99080488
#15

Main asy diagram

Downdraft vent blower motor

Part #99080488

$150.49
In Stock
Oven Wire Harness 97006039
#10

Main asy diagram

Oven wire harness

Part #97006039

Replaced by #S97006039

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Manufacturer substitution
This part replaces 97006039. Substitute parts can look different from the original.
$8.19
In Stock
Adapter Pl 98005512
#6

Main asy diagram

Adapter pl

Part #98005512

Replaced by #S98005512

?
Manufacturer substitution
This part replaces 98005512. Substitute parts can look different from the original.
This item is not returnable
$4.53
In Stock
Washer 99250399
#19

Main asy diagram

Washer

Part #99250399

Replaced by #S99250399

?
Manufacturer substitution
This part replaces 99250399. Substitute parts can look different from the original.
This item is not returnable
$4.44
In Stock
Trash Compactor Lock Nut 99260477
#11

Main asy diagram

Trash compactor lock nut

Part #99260477

Replaced by #S99260477

?
Manufacturer substitution
This part replaces 99260477. Substitute parts can look different from the original.
This item is not returnable
$3.64
In Stock
Bushing 99400035
#9

Main asy diagram

Bushing

Part #99400035

Replaced by #S99400035

?
Manufacturer substitution
This part replaces 99400035. Substitute parts can look different from the original.
This item is not returnable
$6.66
In Stock
Access Panel 98009464
#24

Main asy diagram

Access panel

Part #98009464

Replaced by #S98009464

?
Manufacturer substitution
This part replaces 98009464. Substitute parts can look different from the original.
$17.63
In Stock

Most common symptoms to help you fix your downdraft ventilation systems

Choose a symptom to see related downdraft vent repairs.

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Why won't my downdraft vent rise up?

Main causes: lack of electrical power, up/down activation switch failure, bad vent gear motor…

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Why won't my downdraft vent lower down?

Main causes: electrical power failure, up/down activation switch problems, vent gear motor failure…

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Why does the downdraft vent raise and lower continuously?

Main causes: problems with the vent limit switches, up/down activation switch failure…

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Why won't the fan on my downdraft vent blow air?

Main causes: fan control switch failure, bad blower fan motor, broken blower wheel, wiring failure…

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Why doesn't the downdraft vent fan pull much air?

Main causes: clogged grease filters, air duct problems, fan motor failure, broken blower wheel…

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Most common repair guides to help fix your downdraft ventilation systems

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

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How to replace a downdraft vent up/down switch

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.…

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

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 …

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

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.…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your downdraft ventilation systems

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

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How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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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.…

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