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Aprilaire 550 humidifier Parts
Here are the diagrams and repair parts for 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
#NI
All parts diagram
Adptr-vlv
Part #4229
The manufacturer no longer makes this part, and there's no substitute part
Model 550 diagram
Feed Tube With Compression Sleeve
Part #4226
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Temperature Compensating Humidistat
Part #55
The manufacturer no longer makes this part, and there's no substitute part
Model 550 diagram
Orifice
Part #4231
The manufacturer no longer makes this part, and there's no substitute part
Model 550 diagram
Stainer
Part #4004
The manufacturer no longer makes this part, and there's no substitute part
Model 550 diagram
Compression Fitting (6)
Part #4076
The manufacturer no longer makes this part, and there's no substitute part
Model 550 diagram
Insert
Part #4217
The manufacturer no longer makes this part, and there's no substitute part
Model 550 diagram
Valve Sadd
Part #4001
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Current Sensing Relay
Part #50
The manufacturer no longer makes this part, and there's no substitute part
Model 550 diagram
Base
Part #4219
The manufacturer no longer makes this part, and there's no substitute part
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