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Aprilaire 440 Humidifier Parts

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    Select a diagram to view its parts

    Parts

    Diagram

    Parts
    1
    2
    3
    4
    6
    7
    7
    7
    8
    9
    10
    11
    12
    13
    14
    15
    18

    Parts

    1. 1
      Saddle Valve
      Saddle Valve
      SKU: 4001
      $9.80
    2. 2
      Brass Fitting
      Brass Fitting
      SKU: 4076
    3. 3
      Blue Orifice
      Blue Orifice
      SKU: 4232
      $3.15
    4. 4
      Solenoid Valve
      Solenoid Valve
      SKU: 4040
      $80.25
    5. 6
      Knob
      Knob
      SKU: 4166
    6. 7
      Hose & Nozzle Kit
      $12.50
    7. 8
      Water Distribution Tray
    8. 9
      Water Panel Humidifier Pad
      $19.55
    9. 10
      Scale Control Insert
    10. 11
      Transformer
      Transformer
      SKU: 4010
      $10.50
    11. 12
      Analog Humidistat
      Analog Humidistat
      SKU: 4016
    12. 13
      Metal Frame
      Metal Frame
      SKU: 4171
    13. 14
      Top Cover
      Top Cover
      SKU: 4162
    14. 15
      Power Housing
      Power Housing
      SKU: 4163
    15. 18
      Strainer Screen
      $6.25

    Parts Not In Diagram

    1. Not Shown
      Current Sensing Relay 24V
      $46.80
    2. Not Shown
      Saddle Valve Adaptor
      $55.25
    3. Not Shown
      AutoTrac Humidistat Controller
      $111.00
    4. Not Shown
      Sensor
      Sensor
      SKU: 8052
      (Substitute part number)
      $10.35
    5. Not Shown
      Gasket
      Gasket
      SKU: 4305
      $4.45
    6. Not Shown
      Drain Spud
      Drain Spud
      SKU: 4038B
      (Substitute part number)
      $14.99
    7. Not Shown
      Duct Mount Adaptor Plate
    8. Not Shown
      Shock Arrestor
      $124.25
    Installation Accessories
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