Description
The Aprilaire Manual Humidistat 4655 for Aprilaire Humidifiers. Replaces Model 4016. It can be installed on the wall or return duct-mounted.
Features
- The indoor humidity should be set to match the outdoor temperature to prevent water from running down the sides of your windows
- When the relative humidity reverses the Aprilaire 4655 manual digital control humidistat will close the control switch.
- The Aprilaire 4655 manual digital control humidistat can either be wall mounted or mounted on the return Plenum
- This even water distribution ensures maximum evaporation from your humidifier
