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Aprilaire #4040 24 volt Water Solenoid Valve

This Low Voltage 24 Volt Solenoid Valve, Part #4040  can be used on Aprilaire whole house humidifiers.

Fits Models:

     
  • Aprilaire 400, 500, 600, 700 Series

 We recommend that any water connections & wiring on your humidifier be completed by a professional licensed contractor.