Evaporative water panel for Aprilaire humidifier models 110, 220, 500, 500m, 550, 550A and 558. 9-7/8" x 9-5/8" x 1-1/2".
Valve for humidifier, 24 volt. Includes replacement instructions. The water inlet valve allows water to enter the humidifier.
Humidistat humidifier control kit
Yellow orifice, sold individually
Water distribution tray
Transformer (remote) - Converts 110 volts to 24 volts
Humidistat kit with automatic temperature sensing bulb