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Aprilaire 445 humidifier

Aprilaire 445 humidifier Parts

Here are the diagrams and repair parts for Aprilaire 445 humidifier, as well as links to manuals and error code tables, if available.

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Browse Parts for 445 Humidifier

  • Reservoir Bolt Kit for Aprilaire 445 - Part 4101

    Model 445 diagram

    Reservoir Bolt Kit

    Part #4101

    The manufacturer no longer makes this part, and there's no substitute part

  • Humidistat Adapter Plate for Aprilaire 445 - Part 4039

    #NI

    All parts diagram

    Humidistat Adapter Plate

    Part #4039

    The manufacturer no longer makes this part, and there's no substitute part

  • Frame for Aprilaire 445 - Part 4171

    Model 445 diagram

    Frame

    Part #4171

    The manufacturer no longer makes this part, and there's no substitute part

  • Knob for Aprilaire 445 - Part 4166

    Model 445 diagram

    Knob

    Part #4166

    The manufacturer no longer makes this part, and there's no substitute part

  • Valve Sadd for Aprilaire 445 - Part 4001

    Model 445 diagram

    Valve Sadd

    Part #4001

    The manufacturer no longer makes this part, and there's no substitute part

  • Lower Housing for Aprilaire 445 - Part 4164

    Model 445 diagram

    Lower Housing

    Part #4164

    The manufacturer no longer makes this part, and there's no substitute part

  • Pump for Aprilaire 445 - Part 4100

    Model 445 diagram

    Pump

    Part #4100

    The manufacturer no longer makes this part, and there's no substitute part

  • Hose And Nozzle for Aprilaire 445 - Part 4091

    Model 445 diagram

    Hose And Nozzle

    Part #4091

    The manufacturer no longer makes this part, and there's no substitute part

  • Impellor (included In Pump Assembly) (8) for Aprilaire 445 - Part 4148

    Model 445 diagram

    Impellor (included In Pump Assembly) (8)

    Part #4148

    The manufacturer no longer makes this part, and there's no substitute part

  • Pump Assembly/motor Board for Aprilaire 445 - Part 4009

    Model 445 diagram

    Pump Assembly/motor Board

    Part #4009

    The manufacturer no longer makes this part, and there's no substitute part

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