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Description
The Aprilaire Manual Humidistat 4655 for Aprilaire Humidifiers. Replaces Model 4016. It can be installed on the wall or return duct-mounted. Off-white color.
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Specs
Product Type:
Humidistat
Color:
Off-White
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This item is compatible with the following Aprilaire model numbers.

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Please note: Many replacement parts have subtle differences between them and can be easily confused. Attempting to install the incorrect part voids the return coverage. If you are not completely sure your order is correct please give us a call at 1-888-757-4774.

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