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Aprilaire 440 Humidifier

Aprilaire 440 Humidifier Parts

The Aprilaire 440 humidifier requires annual maintenance consisting of replacing the humidifier filter (water panel evaporator) and washing out the pad frame and water distribution tray.
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Aprilaire 12 Water Panel Humidifier Pad Water Panel Humidifier Pad
12
On Sale $19.95
Aprilaire 12 Humidifier Pad (2 Pack) Humidifier Pad (2 Pack)
12QTY2
On Sale $37.91
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 4016 Analog Humidistat Analog Humidistat
4016
On Sale $9,999.99
Aprilaire 4038 Drain Spud Kit Drain Spud Kit
4038
On Sale $9,999.99
Aprilaire 4039 Duct Mount Adaptor Plate Duct Mount Adaptor Plate
4039
On Sale $9,999.99
Aprilaire 4040 Solenoid Valve Assembly Solenoid Valve Assembly
4040
On Sale $69.95
Aprilaire 4079 Hose & Nozzle Kit Hose & Nozzle Kit
4079
On Sale $12.50
Aprilaire 4080 Scale Control Insert Scale Control Insert
4080
On Sale $9,999.99
Aprilaire 4081 Water Distribution Tray Water Distribution Tray
4081
On Sale $9,999.99
Aprilaire 4162 Top Cover Top Cover
4162
On Sale $9,999.99
Aprilaire 4163 Power Housing Power Housing
4163
On Sale $9,999.99
Aprilaire 4166 Knob Knob
4166
On Sale $9,999.99
Aprilaire 4171 Metal Frame Metal Frame
4171
On Sale $9,999.99
Aprilaire 4229 Saddle Valve Adaptor Saddle Valve Adaptor
4229
On Sale $55.63
Aprilaire 4232 Blue Orifice Blue Orifice
4232
On Sale $3.13
Aprilaire 4655 Analog Humidistat Analog Humidistat
4655
On Sale $47.95
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 4280 Shock Arrestor Shock Arrestor
4280
On Sale $125.08

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