Aprilaire 4981 Circuit Board mario Precision Low-Level Detection: Triggers safety

Precision Low-Level Detection: Triggers safety protocols at exact liquid trip points to protect HVAC pumps and hydronic equipment

Key Benefits: Adjustable Pressure Range: Precisely monitors air flow triggers from 0

Applying higher line voltage will damage the internal windings and the connected low-voltage components

The Century Motors 52 is a robust 1/15 HP Shaded Pole motor designed for high-reliability performance in light-duty ventilation and refrigeration applications

Aprilaire 4981 Circuit Board mario Precision Low-Level Detection: Triggers safetyThe Aprilaire 4981 Circuit Board is a critical OEM replacement part engineered specifically for Aprilaire 800 and Aprilaire 865 steam humidifiers manufactured before November 2014. As an internal control circuit board, this component acts as the "brain" of your humidification system, managing the 24V power distribution from the humidifier transformer and regulating the electrode steam canisters operation. If your units green power LED fails to