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Broan
Downdraft Ventilation System

Model # ILB9 Official Broan inline blower

Here are the diagrams and repair parts for Official Broan ILB9 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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ALL PARTS
Showing 10 of 33 parts  |
Trash Compactor Lock Nut 99260477
#16

Main asy diagram

Trash compactor lock nut

Part #99260477

Replaced by #S99260477

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Manufacturer substitution
This part replaces 99260477. Substitute parts can look different from the original.
This item is not returnable
$3.64
Back Order
Appliance Lock Nut 93260447
#20

Main asy diagram

Appliance lock nut

Part #93260447

This item is not returnable
$3.36
In Stock
Screw 10-2 93150487
#12

Main asy diagram

Screw 10-2

Part #93150487

This item is not returnable
$4.44
In Stock
Bushing 99400035
#14

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
Housing Assembly 97014784
#4

Main asy diagram

Housing assembly

Part #97014784

Replaced by #S97014784

?
Manufacturer substitution
This part replaces 97014784. Substitute parts can look different from the original.
$135.94
In Stock
Grille Nut 99420470
#10

Main asy diagram

Grille nut

Part #99420470

Replaced by #S99420470

?
Manufacturer substitution
This part replaces 99420470. Substitute parts can look different from the original.
This item is not returnable
$6.66
In Stock
Hanger Kit 97016791
#28

Main asy diagram

Hanger kit

Part #97016791

Replaced by #S97016791

?
Manufacturer substitution
This part replaces 97016791. Substitute parts can look different from the original.
$64.46
In Stock
Housing Pa 98009531
#11

Main asy diagram

Housing pa

Part #98009531

Replaced by #S98009531

?
Manufacturer substitution
This part replaces 98009531. Substitute parts can look different from the original.
$35.59
In Stock
Inlet Ring 98009514
#23

Main asy diagram

Inlet ring

Part #98009514

Replaced by #S98009514

?
Manufacturer substitution
This part replaces 98009514. Substitute parts can look different from the original.
$10.40
In Stock
Range Hood Grounding Screw (green) 99150471
#8

Main asy diagram

Range hood grounding screw (green)

Part #99150471

Replaced by #S99150471

?
Manufacturer substitution
This part replaces 99150471. Substitute parts can look different from the original.
This item is not returnable
$3.64
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 lower down?

Main causes: electrical power failure, up/down activation switch problems, vent gear motor 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 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 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 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 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
How to replace a downdraft vent up/down button pad

How to replace a downdraft vent up/down button pad

The up/down button pad located on top of the air vent engages the activating switch when pushed to raise the air vent. R…

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Repair difficulty
Time required
 15 minutes or less
How to replace a downdraft vent fan control switch

How to replace a downdraft vent fan control switch

The fan control switch activates the blower motor and controls the fan speed. Replace the fan control switch if it's not…

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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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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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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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