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Broan
Range Hood

Model # IS42 Official Broan range hood

Here are the diagrams and repair parts for Official Broan IS42 range hood, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 48 parts  |
Range Hood Blower Wheel Assembly B03295071
#49

Range hood diagram

Range hood blower wheel assembly

Part #B03295071

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

Range Hood Fuse B02300782

#NI04

All parts diagram

Range hood fuse

Part #B02300782

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

Ht Sentry B02300787
#37

Range hood diagram

Ht sentry

Part #B02300787

Replaced by #SB02300787

?
Manufacturer substitution
This part replaces B02300787. Substitute parts can look different from the original.
$51.40 | 
10% OFF Phone Price : $57.40
In Stock
Clamp B03295035
#274

Range hood diagram

Clamp

Part #B03295035

Replaced by #SB03295035

?
Manufacturer substitution
This part replaces B03295035. Substitute parts can look different from the original.
$25.71
In Stock
Reflector B02009103
#200

Range hood diagram

Reflector

Part #B02009103

Replaced by #SB02009103

?
Manufacturer substitution
This part replaces B02009103. Substitute parts can look different from the original.
$34.88
In Stock
Reflector B02009193
#196

Range hood diagram

Reflector

Part #B02009193

Replaced by #SB02009193

?
Manufacturer substitution
This part replaces B02009193. Substitute parts can look different from the original.
$9.75
In Stock
Range Hood Cover B03294033
#39

Range hood diagram

Range hood cover

Part #B03294033

Replaced by #SB03294033

?
Manufacturer substitution
This part replaces B03294033. Substitute parts can look different from the original.
$29.79
In Stock
Range Hood Cover B03295006
#477

Range hood diagram

Range hood cover

Part #B03295006

Replaced by #SB03295006

?
Manufacturer substitution
This part replaces B03295006. Substitute parts can look different from the original.
This item is not returnable
$11.76
In Stock
Range Hood Electronic Control Board B08086668
#166

Range hood diagram

Range hood electronic control board

Part #B08086668

Replaced by #SB08086668

?
Manufacturer substitution
This part replaces B08086668. Substitute parts can look different from the original.
This item is not returnable
$109.41 | 
10% OFF Phone Price : $121.41
In Stock
Connector B080810199
#998A

Range hood diagram

Connector

Part #B080810199

Replaced by #SB080810199

?
Manufacturer substitution
This part replaces B080810199. Substitute parts can look different from the original.
$88.27
In Stock

Most common symptoms to help you fix your range hoods

Choose a symptom to see related range hood repairs.

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Why does my range hood's fan turn on by itself?

Main causes: sentry feature trips due to high cooktop temperature, bad temperature sensor, electronic control board fail…

Read more

Why doesn't my range hood work?

Main causes: lack of electrical power, bad electronic control board, faulty user interface, fan and light switch failure…

Read more

Why doesn't my range hood's fan work?

Main causes: bad fan switch, electronic control board failure, faulty user interface control, wiring failure…

Read more

Why don't my range hood's lights and fan work?

Main causes: electronic control board failure, bad user interface control, light and fan switch failures, wiring failure…

Read more

Why is my range hood's exhaust fan noisy?

Main causes: loose mounting screws, bad fan motor, damaged fan blade, worn fan motor bearings…

Read more

Why isn't my range hood's fan pulling much air?

Main causes: clogged air filters, air duct problems, fan motor failure, broken fan blade…

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Why don't my range hood's lights work?

Main causes: bad light bulb, broken light switch, bad electronic control, user interface control failure, bad light sock…

Read more

Most common repair guides to help fix your range hoods

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

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How to replace a range hood electronic control board

How to replace a range hood electronic control board

The electronic control board activates the fan and lights in the range hood. If the electronic control board is defectiv…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a range hood fan motor

How to replace a range hood fan motor

If the fan on the range hood won’t run, it’s likely that the fan motor has failed. Follow the steps in this guide to rep…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a range hood fan switch

How to replace a range hood fan switch

The fan switch activates the fan motor in the range hood. If the fan switch is defective, replace it using the detailed …

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your range hoods

Use the advice and tips in these articles and videos to get the most out of your range hood.

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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…

Read more
Range hood common questions

Range hood common questions

See what questions many people have about using, maintaining and and repairing their range hoods.…

Read more

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