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Aprilaire
Humidifier

Model # 350 Official Aprilaire humidifier

Here are the diagrams and repair parts for Official Aprilaire 350 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 31 parts  |
Wick Pad 35
#3

Model 350 diagram

Wick pad

Part #35

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

Humidistat 4258
#28

Model 350 diagram

Humidistat

Part #4258

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

Distribution Cover Tray 4183
#5

Model 350 diagram

Distribution cover tray

Part #4183

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

Frame 4206
#1

Model 350 diagram

Frame

Part #4206

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

Housing 4186
#8

Model 350 diagram

Housing

Part #4186

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

Orifice (blue) (144/ctn. 12-12pks.) 4232
#14

Model 350 diagram

Orifice (blue) (144/ctn. 12-12pks.)

Part #4232

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

Tubing And Plastic Barrel 4192
#16

Model 350 diagram

Tubing and plastic barrel

Part #4192

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

Bracket 4190
#12

Model 350 diagram

Bracket

Part #4190

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

Adapter 4201
#26

Model 350 diagram

Adapter

Part #4201

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

Fan Blade 4188
#10

Model 350 diagram

Fan blade

Part #4188

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

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