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AprilAire 45 Replacement Water Panel Humidifier Filter For Humidifier Models: 400, 400A, and 400M

AprilAire 45 Replacement Water Panel Humidifier Filter For Humidifier Models: 400, 400A, and 400M

AprilAire 4040 Solenoid Valve Hero Photo 1

AprilAire 4040 Solenoid Valve 24 Volt For Humidifier Models 400, 500, 600, And 700

AprilAire 4335 Humidifier Feed Tube And Nozzle Hero Photo

AprilAire 4335 Feed Tube with Sleeve for Humidifier Models 400, 500, 600

AprilAire 4788 Maintenance Kit With Water Panel 45 For Humidifier Models 400, 400A, 400M

AprilAire 4788 Maintenance Kit With Water Panel 45 For Humidifier Models 400, 400A, 400M

AprilAire 4004 In Line Strainer Hero Photo

AprilAire 4004 In-Line Strainer for Humidifier Models 220, 224, 350, 360, 400, 400A, 400M, 500 Series, 600 Series, and 700 Series

AprilAire 4231 Humidifier Yellow Orifice Hero Photo

AprilAire 4231 Yellow Orifice for Humidifier Models 400, 500, 550, 558, 560, 568, 600, 700

AprilAire 4655 Humidistat Hero Photo

AprilAire 4655 Manual Humidistat

AprilAire 8052 Remote Sensor Hero Photo

AprilAire 8052 Outdoor or Duct Temperature Sensor For Humidifier Models 56, 57, 58, 62, 400, 500, 600, 700, 800

AprilAire 4407 Humidifier Water Distribution Tray Hero Photo

AprilAire 4407 Water Distribution Tray for Humidifier Model 400

AprilAire H445EZ1A Humidifier Water Panel Assembly With Packaging Photo

AprilAire H445EZ1A EZKit Humidifier Filter / Water Panel Assembly Replacement Kit for AprilAire Whole-House Humidifier Models: 400, 400A, and 400M (2-pack)

AprilAire 4406 Float Assembly Hero Photo

AprilAire 4406 Float Assembly for Humidifier Model 400 (1-Pack)

AprilAire 4403 Scale Control Insert Hero Photo

AprilAire 4403 Scale Control Insert for Humidifier Model 400

AprilAire 4405 Float Cover Hero Photo

AprilAire 4405 Float Cover for Humidifier Model 400

AprilAire 400 Humidifier Hero Photo

AprilAire 400 Whole-House Water Saver Evaporative Humidifier