Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Kenmore
Humidifier

Model # 303937800 Official Kenmore central system humidifier - 78

Here are the diagrams and repair parts for Official Kenmore 303937800 central system humidifier - 78, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 61 parts  |
Tubing Clamp 280983-02
#41

Replacement parts diagram

Tubing clamp

Part #280983-02

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

Twist-on Wire Connector 280149-02
#45

Replacement parts diagram

Twist-on wire connector

Part #280149-02

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

Saddle Valve 281247-01
#46

Replacement parts diagram

Saddle valve

Part #281247-01

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

Media Pad 355690-01
#47

Replacement parts diagram

Media pad

Part #355690-01

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

Warranty F642-2377A

#NI

All parts diagram

Warranty

Part #F642-2377A

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

Drain 355609-02
#35A

Replacement parts diagram

Drain

Part #355609-02

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

Float Valve 355611-01
#9A

Replacement parts diagram

Float valve

Part #355611-01

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

Drain Rod 281147-02
#37

Replacement parts diagram

Drain rod

Part #281147-02

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

Drain Tubing 355488-01
#39

Replacement parts diagram

Drain tubing

Part #355488-01

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

Ground Wire 280791-16
#30

Replacement parts diagram

Ground wire

Part #280791-16

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

Symptoms for electric cooktops

Why doesn't my electric cooktop's surface element heat?

Main causes: broken surface element, surface element switch failure, control system problem, surface element limiter swi…

Read more

Repair guides for electric cooktops

How to replace a coil surface element on an electric cooktop

How to replace a coil surface element on an electric cooktop

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a radiant element on an electric cooktop

How to replace a radiant element on an electric cooktop

Follow these step-by-step instructions to replace a damaged radiant element on your electric cooktop when the element wo…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace the glass top on an electric cooktop

How to replace the glass top on an electric cooktop

Don't use a cracked or damage glass cooktop—replace it, using these instructions to guide you.…

Read more
Repair difficulty
Time required
 30 minutes or less

Articles and videos for electric cooktops

How is cooking on an electric range different than cooking on a gas stove?

How is cooking on an electric range different than cooking on a gas stove?

Learn about the differences between cooking on gas and electric stoves.…

Read more
5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

Read more
How to care for a radiant cooktop video

How to care for a radiant cooktop video

Learn how to choose cookware for a glass cooktop range and how to clean the cooktop with a non-abrasive cleaner.…

Read more

Parts & More