Aprilaire 4655 Humidity Control. This item is a replacement for the Aprilaire 4016.
The 4655 can be wall mounted or mounted on return plenum. For duct mount, locate at least 6" upstream of humidifier, humidifier bypass ductwork or fresh air intake ductwork.
If you have questions or need additional information about the Aprilaire 4655, please call our Customer Service department at 855-932-4822.
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