Aprilaire 4236 Scale Control Instrument

Aprilaire Scale Control Insert For Use With: Aprilaire 760 760A and 768 Series Humidifiers Plastic
� The Aprilaire scale control insert 4236 is the ushaped component which encases the water panel evaporator
� Scale control inserts redirect harmful minerals back into the evaporator panel and prevent water from leaving the evaporator section and causing potential damage to your humidifier