All Humidifier Parts
4217 Scale Control Insert - For Model 550, 550A & 558
Models 550, 550A and 558
Price: $22.75
Quantity:
This is the u-shaped component which encases the Water Panel Evaporator. Their purpose is to direct any mineral which builds up back into the evaporative panel. They prevent water from leaving the evaporative section and entering another portion of the humidifier. Used with water panel number 10 and water distribution tray part number 4218. Also see the part number 4793 maintenance kit.
Quantity:
Price: $22.75
