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Whirlpool
Range Hood

Model # RH3730XLT3 Official Whirlpool range hood

Here are the diagrams and repair parts for Official Whirlpool RH3730XLT3 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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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 29 parts  |
Range Control Knob 8190792
#21

Range hood parts diagram

Range control knob

Part #8190792

Replaced by #WP8190792

?
Manufacturer substitution
This part replaces 8190792. Substitute parts can look different from the original.
This item is not returnable
$14.55 | 
12% OFF Phone Price : $16.55
In Stock
Light Lens 8186930
#12

Range hood parts diagram

Light lens

Part #8186930

Replaced by #WP8186930

?
Manufacturer substitution
This part replaces 8186930. Substitute parts can look different from the original.
This item is not returnable
$21.51 | 
22% OFF Phone Price : $27.51
In Stock
Rotary Switch 8190881
#20

Range hood parts diagram

Rotary switch

Part #8190881

$101.24
In Stock
Fan Blade 8190873
#14

Range hood parts diagram

Fan blade

Part #8190873

$35.69
In Stock
Nut 8190880
#4

Range hood parts diagram

Nut

Part #8190880

This item is not returnable
$3.29
In Stock
Screw 8190877
#7

Range hood parts diagram

Screw

Part #8190877

Replaced by #WP7101P246-60

?
Manufacturer substitution
This part replaces 8190877. Substitute parts can look different from the original.
This item is not returnable
$4.33
In Stock
Control Knob 8190794
#21B

Range hood parts diagram

Control knob

Part #8190794

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

Screw 8186944
#NI

Range hood parts diagram

Screw

Part #8186944

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

Filter 8186946
#NI

Range hood parts diagram

Filter

Part #8186946

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

Filter 8190876
#18

Range hood parts diagram

Filter

Part #8190876

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

Most common symptoms to help you fix your range hoods

Choose a symptom to see related range hood repairs.

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

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

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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…

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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…

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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…

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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 is my range hood's exhaust fan noisy?

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

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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

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 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…

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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
How to replace a range hood light socket

How to replace a range hood light socket

When you replace a light bulb and it still won’t work, the socket is likely defective. Use the detailed steps in this re…

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 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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