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Equipment Maintenance & Troubleshooting

Bypass Humidifers - Models: 220, 224, 400, 440, 445/445A, 448, 500, 550, 558, 560, 568, 600

  • Maintenance: How to Service your Aprilaire bypass style humidifier
  • Troubleshooting: Water Leaking
  • Troubleshooting: Water Not Running
  • Troubleshooting: Water Always Running
  • Summer Shutdown Procedure
  • Fan Power Humidifers - Models: 110, 112, 330, 350, 360, 700, 760, 768

  • Maintenance: How to Service your Aprilaire fan powered humidifier
  • Troubleshooting: Water Leaking
  • Troubleshooting: Water Not Running
  • Summer Shutdown Procedure
  • Aprilaire Digital Humidistat Troubleshooting - Models: 58 & 60

  • Aprilaire Digital Humidistat Operation: Overview
  • Troubleshooting: No Display
  • Troubleshooting: E3 Error Code
  • Electronic Air Cleaner - Model: 5000

  • Troubleshooting: No LED Indicator
  • Media Air Cleaner Filter Replacement

  • Maintenance: How to change a 201 Air Filter
  • Maintenance: How to change a 213 Air Filter
  • Maintenance: How to change a 401 Air Filter
  • Maintenance: How to change a 413 Air Filter
  • Maintenance: How to change a 501 Air Filter
  • Misc.

  • Aprilaire Equipment Typical Installation Overview
  • Aprilaire Humidifier Plenum Hole Cut Sizes
  • Assorted Aprilaire Technical Support Videos
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