Description
The AprilAire 4258 is the correct replacement for the following humidifiers:
AprilAire 1120
AprilAire 120
AprilAire 112
AprilAire 350
AprilAire 360
The AprilAire 4258 Humidifier Control Relay is used to turn on the fan motor or pump motor of your AprilAire whole house humidifier. This humidifier relay kit works with your select commercial and residential model of humidifier.
The AprilAire 4258
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