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Aprilaire 400 Humidifier

Aprilaire 400 Humidifier Parts

The Aprilaire 400 humidifier requires twice per year maintenance consisting of replacing the humidifier filter (water panel evaporator) and washing out the pad frame and water distribution tray. This should be done at the beginning and middle of the heating season.
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Aprilaire 45 Water Panel Humidifier Pad Water Panel Humidifier Pad
45
On Sale $35.95
Aprilaire 4788 Maintenance Kit For Model 400 400 Maintenance Kit
4788
On Sale $126.50
Aprilaire 4001 Saddle Valve Saddle Valve
4001
On Sale $15.50
Aprilaire 4004 Strainer Screen Strainer Screen
4004
On Sale $6.33
Aprilaire 4010 Transformer Transformer
4010
On Sale $26.50
Aprilaire 4040 Solenoid Valve Assembly Solenoid Valve Assembly
4040
On Sale $69.95
Aprilaire 4229 Saddle Valve Adaptor Saddle Valve Adaptor
4229
On Sale $55.63
Aprilaire 4231 Yellow Orifice Yellow Orifice
4231
On Sale $3.13
Aprilaire 4280 Shock Arrestor Shock Arrestor
4280
On Sale $125.08
Aprilaire 4305 Gasket Gasket
4305
On Sale $4.50
Aprilaire 4329 Cover Assembly Cover Assembly
4329
On Sale $89.63
Aprilaire 4332 Damper Assembly Damper Assembly
4332
On Sale $29.38
Aprilaire 4335 Feed Tube w/ Comp Sleeve Feed Tube w/ Comp Sleeve
4335
On Sale $9.33
Aprilaire 4336 Resistor Case Manual Label Resistor Case Manual Label
4336
On Sale $10.88
Aprilaire 4403 Scale Control Insert Scale Control Insert
4403
On Sale $15.50
Aprilaire 4404 Base Base
4404
On Sale $100.45
Aprilaire 4405 Float Cover Float Cover
4405
On Sale $26.50
Aprilaire 4406 Float Assembly Float Assembly
4406
On Sale $13.95
Aprilaire 4407 Water Distribution Tray Water Distribution Tray
4407
On Sale $20.08
Aprilaire 4408 Hole Plug Hole Plug
4408
On Sale $7.75
Aprilaire 4409 Name Plate Name Plate
4409
On Sale $13.88
Aprilaire 4410 Water Level Sensor Assembly Water Level Sensor Assembly
4410
On Sale $31.00
Aprilaire 4655 Analog Humidistat Analog Humidistat
4655
On Sale $47.95
Aprilaire 4728 Cover Cover
4728
On Sale $89.63
Aprilaire 4734 Base Base
4734
On Sale $91.25
Aprilaire 4737 Resistor Resistor
4737
On Sale $17.08
Aprilaire 4741 Hole Plug Hole Plug
4741
On Sale $7.75
Aprilaire 4851 Blower Activation Relay Blower Activation Relay
4851
On Sale $40.58
Aprilaire 4880 Name Plate For Model 400 Name Plate For Model 400
4880
On Sale $13.81
Aprilaire 50 Current Sensing Relay 24V Current Sensing Relay 24V
50
On Sale $51.50
Aprilaire 56 AutoTrac Humidistat Controller AutoTrac Humidistat Controller
56
On Sale $122.08
Aprilaire 60 Automatic Humidistat Controller Automatic Humidistat Controller
60
On Sale $159.88
Aprilaire 8052 Sensor Sensor
8052
On Sale $12.20

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