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Aprilaire 445 Humidifier Parts

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    Select a diagram to view its parts

    Parts

    Diagram

    Parts
    1
    2
    3
    4
    4
    5
    6
    7
    8
    9
    9
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    20
    21
    22
    23
    24
    25

    Parts

    1. 1
      Saddle Valve
      Saddle Valve
      SKU: 4001
      $9.80
    2. 2
      Float Valve
      Float Valve
      SKU: 4087
    3. 3
      Float Ball
      Float Ball
      SKU: 4088
    4. 4
      Water Pump
      Water Pump
      SKU: 4089
    5. 5
      Pump Rebuild Kit
    6. 6
      Impellor
      Impellor
      SKU: 4148
    7. 7
      Knob
      Knob
      SKU: 4166
    8. 8
      Fan Blade
      Fan Blade
      SKU: 4090
    9. 9
      Nozzle & Hose Kit
      $4.95
    10. 10
      Water Distribution Tray
    11. 11
      Water Panel Humidifier Pad
      $19.55
    12. 12
      Scale Control Insert
    13. 13
      Reservoir Divider
      $6.95
    14. 14
      Reservoir Liner
    15. 15
      Reservoir
      Reservoir
      SKU: 4165
    16. 16
      Reservoir Bolt Kit
    17. 17
      Electrical Bracket
    18. 18
      Power Cord
      Power Cord
      SKU: 4261
    19. 20
      Analog Humidistat
      Analog Humidistat
      SKU: 4016
    20. 20
      Gasket
      Gasket
      SKU: 4305
      $4.45
    21. 21
      Metal Frame
      Metal Frame
      SKU: 4171
    22. 22
      Top Cover
      Top Cover
      SKU: 4162
    23. 23
      Lower Housing
      Lower Housing
      SKU: 4164
    24. 24
      Motor Cover
      Motor Cover
      SKU: 4179
    25. 25
      Control Relay
      Control Relay
      SKU: 4258
      $96.70

    Parts Not In Diagram

    1. Not Shown
      Sensor
      Sensor
      SKU: 8052
      $10.35
    2. Not Shown
      AutoTrac Humidistat Controller
      $111.00
    3. Not Shown
      Sensor
      Sensor
      SKU: 8052
      (Substitute part number)
      $10.35
    4. Not Shown
      Duct Mount Adaptor Plate
    5. Not Shown
      Motor Board
      Motor Board
      SKU: 4159
    6. Not Shown
      Float Valve Stopper
      $4.65
    Installation Accessories
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