Aprilaire 4191 Replacement Solenoid Valve Assembly with Fittings

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The Aprilaire 4191 is a replacement 120 volt water solenoid valve assembly for Aprilaire model 350 and 360 whole house humidifier includes inlet and outlet fittings. Proper humidification of your home is important for protecting your family’s health and the beauty of your home. Typically installed by your contractor, the solenoid valve is part of the core of your humidifier, making it possible for you to adjust moisture levels with precision and accuracy.