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Indoor Air-Quality Products > Humidifiers > Water Humidifiers > Accessories and Parts > Aprilaire 4040

Aprilaire 4040

Replacement Solenoid for Models 400, 500, 600, 700, 400A, 500A, 600A, 700A, 500M, 600M, and 700M

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About This Product

Replacement humidifier solenoid for Aprilaire models 220, 224, 400, 440, 550, 550A, 558, 560, 560A, 568, 600, 760, 760A, 768, and 700. This valve operates at 24 volts.

Maintenance instructions are included with product.