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Aprilaire 866 Steam Humidifier

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    Select a diagram to view its parts

    Parts

    Diagram

    Parts
    1
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15B
    16
    17A
    17B
    18
    19

    Parts

    1. 1
      Strainer Screen
      $10.06
    2. 3
      Transformer
      Transformer
      SKU: 5306
      $187.62
    3. 4
      Electrode Wire (2 pack)
      $41.00
    4. 5
      Drain Valve
      Drain Valve
      SKU: 4983
      $319.70
    5. 6
      Fill Valve
      Fill Valve
      SKU: 5531
      $120.92
    6. 7
      Drain Cup
      Drain Cup
      SKU: 4985
      $96.43
    7. 8
      Front Panel & Screw
      $104.88
    8. 9
      Electrical Access Panel & Screw
      $121.73
    9. 10
      Safety Interlock Switch
      $44.05
    10. 11
      Fill Cup and Hoses
      $117.76
    11. 12
      Fill Cup Cap
      Fill Cup Cap
      SKU: 4990
      $8.51
    12. 13
      Steam Dispersion Tube & Screws
      $98.84
    13. 14
      Steam Canister & O-Ring
      $150.00
    14. 14
      Maintenance Kit
      Maintenance Kit
      SKU: APR5768
      $187.97
    15. 15B
      Automatic Humidistat Controller
      $203.09
    16. 16
      Modulating Control Board
      $173.77
    17. 17A
      Fan Pack Grille
      Fan Pack Grille
      SKU: APR5662
      $77.05
    18. 17B
      Grille
      Grille
      SKU: 4998
      $137.89
    19. 18
      Fan
      Fan
      SKU: 4999
      $160.77
    20. 19
      O-Ring
      O-Ring
      SKU: 5258
      $11.79

    Parts Not In Diagram

    1. Not Shown
      Saddle Valve
      Saddle Valve
      SKU: 4001
      $5.00
    2. Not Shown
      Drain Trap
      Drain Trap
      SKU: 4028
      $176.30
    3. Not Shown
      Airflow Switch
      $176.01
    4. Not Shown
      Duct Mount High Limit Humidistat
      Duct Mount High Limit Humidistat
      SKU: BARHC201
      (Substitute part number)
      $241.80
    5. Not Shown
      Blower Activation Relay
      $62.79
    6. Not Shown
      High Temperature Condensate Pump
      $187.39
    7. Not Shown
      Steam Hose Kit
      $126.27
    8. Not Shown
      Drain Hose Kit
      $119.54
    9. Not Shown
      Condensate Tubing
      $72.97
    10. Not Shown
      Steam Humidifier Fan Pack
      $658.91
    Installation Accessories
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