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Model # 550 Official Aprilaire humidifier
Here are the diagrams and repair parts for Official Aprilaire 550 humidifier, as well as links to manuals and error code tables, if available.
Owner’s manualBy Schematic
SELECT DIAGRAM
Browse Parts for
550 Humidifier
#14
Model 550 diagram
Transformer
Part #4010
The manufacturer no longer makes this part, and there's no substitute part
#1
Model 550 diagram
Wick pad
Part #10
The manufacturer no longer makes this part, and there's no substitute part
#11
Model 550 diagram
Compression fitting and strainer (6)
Part #4003
The manufacturer no longer makes this part, and there's no substitute part
#7
Model 550 diagram
Cover
Part #4222
The manufacturer no longer makes this part, and there's no substitute part
#16
Model 550 diagram
Nozzle
Part #4184
The manufacturer no longer makes this part, and there's no substitute part
#3
Model 550 diagram
Water tray
Part #4218
The manufacturer no longer makes this part, and there's no substitute part
#13
Model 550 diagram
Compression fitting (6)
Part #4076
The manufacturer no longer makes this part, and there's no substitute part
#19
Model 550 diagram
Feed tube with compression sleeve
Part #4226
The manufacturer no longer makes this part, and there's no substitute part
#10
Model 550 diagram
Stainer
Part #4004
The manufacturer no longer makes this part, and there's no substitute part
#2
Model 550 diagram
Insert
Part #4217
The manufacturer no longer makes this part, and there's no substitute part
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