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Broan
Downdraft Ventilation System

Model # HLB3 Official Broan blower

Here are the diagrams and repair parts for Official Broan HLB3 blower, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 27 parts  |
Range Hood Fan Motor Mount 99100491
#16

Blower diagram

Range hood fan motor mount

Part #99100491

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

Blower Assembly 97016792
#B1

Blower diagram

Blower assembly

Part #97016792

$137.99
In Stock
Broan Instruction Manual 99043698B
#NI

Blower diagram

Broan instruction manual

Part #99043698B

This item is not returnable
$2.16
In Stock
Transition S414
#24

Blower diagram

Transition

Part #S414

$78.63
In Stock
Bushing 99400035
#7

Blower 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 97014735
#1

Blower diagram

Housing assembly

Part #97014735

Replaced by #S97014735

?
Manufacturer substitution
This part replaces 97014735. Substitute parts can look different from the original.
$48.06
In Stock
Scroll Assembly 97014775
#10

Blower diagram

Scroll assembly

Part #97014775

Replaced by #S97014775

?
Manufacturer substitution
This part replaces 97014775. Substitute parts can look different from the original.
$45.88
In Stock
Lock Nut,8 99260558
#14

Blower diagram

Lock nut,8

Part #99260558

Replaced by #S99260558

?
Manufacturer substitution
This part replaces 99260558. Substitute parts can look different from the original.
This item is not returnable
$4.82
In Stock
Adapter Pl 98005512
#8

Blower 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 99250959
#15

Blower diagram

Washer

Part #99250959

Replaced by #S99250959

?
Manufacturer substitution
This part replaces 99250959. Substitute parts can look different from the original.
This item is not returnable
$4.48
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.…

Read more
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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