Aprilaire 4311 Control Electrode 320720-756 The 28W59 is the control

The 28W59 is the control box enclosure

making it a critical component for restoring peak performance to mobile home and residential air handlers

High flow 5

and a dedicated 5-pin wire harness

Aprilaire 4311 Control Electrode 320720-756 The 28W59 is the controlThe Aprilaire 4311 Control Electrode is a critical internal component designed for high performance steam humidifiers, specifically engineered to work seamlessly within the Aprilaire Model 800 series. This replacement electrode plays a vital role in measuring water levels and electrical conductivity within the steam cylinder, ensuring the unit operates at peak efficiency. Designed for precise HVAC humidity control, the 4311 senses when the water has