Emerson
Humidifier

Model # 74800 Official Emerson humidifier

Here are the diagrams and repair parts for Official Emerson 74800 humidifier, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 65 parts  |

Air Baffle 817171
#33

Humidifier diagram

Air baffle

Part #817171

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

Screw 816146
#29

Humidifier diagram

Screw

Part #816146

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

Air Duet 816172
#31

Humidifier diagram

Air duet

Part #816172

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

Cover 814327
#37

Humidifier diagram

Cover

Part #814327

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

Channel 816170
#52

Humidifier diagram

Channel

Part #816170

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

Nameplate 816160
#13

Humidifier diagram

Nameplate

Part #816160

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

Fill Spout 813127
#43

Humidifier diagram

Fill spout

Part #813127

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

Drive Unit 816342
#4

Humidifier diagram

Drive unit

Part #816342

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

Motor 816149
#24

Humidifier diagram

Motor

Part #816149

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

Spacer 813121-1
#6A

Humidifier diagram

Spacer

Part #813121-1

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

Symptoms for gas walk-behind mowers

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Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
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 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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Tapping into a new feature in the Search Bar on Sears PartsDirect

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Lawn mower won't start troubleshooting video: spark plug and ignition problems video

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