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Aprilaire 224 humidifier Parts
Here are the diagrams and repair parts for Aprilaire 224 humidifier, as well as links to manuals and error code tables, if available.
Owner’s manual
By Schematic
SELECT DIAGRAM
Browse Parts for 224 Humidifier
Humidifier diagram
Valve
Part #4040
The manufacturer no longer makes this part, and there's no substitute part
#NI03
All parts diagram
Automatic Humidifier Control Gasket
Part #4305
The manufacturer no longer makes this part, and there's no substitute part
#NI04
All parts diagram
O-ring
Part #4006
The manufacturer no longer makes this part, and there's no substitute part
Humidifier diagram
Housing
Part #4046
The manufacturer no longer makes this part, and there's no substitute part
#NI02
All parts diagram
Automatic Humidifier Sensor And Shield
Part #4278
The manufacturer no longer makes this part, and there's no substitute part
#NI01
All parts diagram
Automatic Humidifier Control
Part #56
The manufacturer no longer makes this part, and there's no substitute part
Humidifier diagram
Water Distribution Pan Cover
Part #4044
The manufacturer no longer makes this part, and there's no substitute part
#NI06
All parts diagram
Replacement Kit
Part #4038
The manufacturer no longer makes this part, and there's no substitute part
#NI07
All parts diagram
Humidistat Adapter Plate
Part #4039
The manufacturer no longer makes this part, and there's no substitute part
Humidifier diagram
Closure Clip Set
Part #4050
The manufacturer no longer makes this part, and there's no substitute part
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