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Aprilaire #4258 Control Relay

Aprilaire #4258 Control Relay

Item SKU: APRILAIRE4258O

MFG ID: UAPRILAIRE4258O | UPC:


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The Aprilaire 4258 Humidifier Control Relay is used to turn on the fan motor or pump motor of your Aprilaire whole house humidifier.  The Aprilaire 4258 humidifier control relay is located inside your fan power and recirculating type humidifier. The relay is easy to install and is an essential component of your whole house humidifier

The Aprilaire 4258 is the correct replacement for the following humidifiers:
  • Aprilaire 1120
  • Aprilaire 120
  • Aprilaire 112
  • Aprilaire 350
  • Aprilaire 360

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