Scope of Application: 990-53 Humidifier solenoid valve can fit for replacing Apri-laire 4040, Gen-eral 990-53, Honey-well 320016939-002, very widely application, suitable for most type of humidifier. Easy installation:Just need a solenoid valve, an adjustable, a screwdriver and a plastic container to install easily.Note: Before installing the product, turn off the power and wear work gloves to protect your hands.
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