Aprilaire 4040 Solenoid Valve, 24 Volt for Humidifier Models 400, 500, 600, 700

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This is an Aprilaire 4330 Humidifier Scale Control Insert replacement for use in conjunction with the Aprilaire Water Panel Evaporator and the Aprilaire Water Distribution Tray Humidifiers.

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This is an Aprilaire 4330 Humidifier Scale Control Insert replacement for use in conjunction with the Aprilaire Water Panel Evaporator and the Aprilaire Water Distribution Tray Humidifiers.

For models 600, 600A and 600M
Encases the Aprilaire Water Panel Evaporator
Made to redirect any harmful mineral build up back into the evaporator panel
Prevents water from leaving the evaporator section and entering another portion of the humidifier

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Aprilaire 4040 Solenoid Valve, 24 Volt for Humidifier Models 400, 500, 600, 700

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Aprilaire 4330 Scale Control Insert

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