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Broan
Downdraft Ventilation System

Model # ILB3 Official Broan inline blower

Here are the diagrams and repair parts for Official Broan ILB3 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 27 parts  |
Downdraft Vent Blower Motor 99080485
#13

Main asy diagram

Downdraft vent blower motor

Part #99080485

Replaced by #S99080485

?
Manufacturer substitution
This part replaces 99080485. Substitute parts can look different from the original.
$156.60
In Stock
Trash Compactor Lock Nut 99260477
#17

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
Blower Assembly 97016792
#BA

Main asy diagram

Blower assembly

Part #97016792

$137.99
In Stock
Transition S414
#24

Main asy diagram

Transition

Part #S414

$78.63
In Stock
Hanger Kit 97016791
#23

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
Bushing 99400035
#7

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
Adapter Pl 98005512
#8

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
Blower Wheel 99020273
#12

Main asy diagram

Blower wheel

Part #99020273

Replaced by #S99020273

?
Manufacturer substitution
This part replaces 99020273. Substitute parts can look different from the original.
$71.40
In Stock
Outlet Cover 98005513
#6

Main asy diagram

Outlet cover

Part #98005513

Replaced by #S98005513

?
Manufacturer substitution
This part replaces 98005513. Substitute parts can look different from the original.
This item is not returnable
$4.57
In Stock
Range Hood Fan Motor Mount 99100491
#16

Main asy diagram

Range hood fan motor mount

Part #99100491

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

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

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

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

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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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