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Aprilaire
Humidifier

Model # 220 Official Aprilaire humidifier

Here are the diagrams and repair parts for Official Aprilaire 220 humidifier, 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 22 parts  |
Transformer 4010
#9

Model 220 diagram

Transformer

Part #4010

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

Wick Pad 10
#7

Model 220 diagram

Wick pad

Part #10

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

Valve Sadd 4001
#1

Model 220 diagram

Valve sadd

Part #4001

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

Orifice (144/ctn. 12-12pks.) (orifice 4007-white-4201-red) 4007
#5

Model 220 diagram

Orifice (144/ctn. 12-12pks.) (orifice 4007-white-4201-red)

Part #4007

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

Stainer 4004
#17

Model 220 diagram

Stainer

Part #4004

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

Pump Assembly/motor Board 4009
#8

Model 220 diagram

Pump assembly/motor board

Part #4009

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

Compression Fitting (6) 4002
#2

Model 220 diagram

Compression fitting (6)

Part #4002

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

Compression Fitting And Strainer (6) 4003
#3

Model 220 diagram

Compression fitting and strainer (6)

Part #4003

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

Strainer For Bullet Shaped Solenoid Valve 4103

#NI

All parts diagram

Strainer for bullet shaped solenoid valve

Part #4103

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

Screw And Clip Set 4027
#16

Model 220 diagram

Screw and clip set

Part #4027

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

Repair guides for bottom-mount refrigerators

How to replace a flipper mullion on a French-door refrigerator

How to replace a flipper mullion on a French-door refrigerator

If the flipper mullion breaks or its heater quits working, replace it in 15 minutes using these 4 easy steps.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

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Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Read more
Repair difficulty
Time required
 15 minutes or less

Articles and videos for bottom-mount refrigerators

How to Replace the Water Filter in a GE Refrigerator

How to Replace the Water Filter in a GE Refrigerator

See how to install the water filter on your GE refrigerator, no matter the filter type or refrigerator style.…

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How to Replace the Water Filter in a Maytag Refrigerator

How to Replace the Water Filter in a Maytag Refrigerator

No matter what style Maytag refrigerator you have, we can walk you through replacing the water filter.…

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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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