Most powered humidifiers have an integral 24 volt transformer, which eliminates the need to provide a field supplied 24 volt power source.
Refer to manufacturers wiring recommendations. Some furnaces or air handlers have humidifier taps, which eliminate the need for a field-supplied proving switch.
Wiring variations will be necessary if your home's primary heating source is other than forced air, or if your thermostat has humidity control capabilities.
Check your instructions. Most powered humidifiers accept hot or cold water, softened or hard water.
Water panel replacement / Service
1... Turn down humidistat. Turn off power. Remove cover and set aside.
2... Panel top should pivot towards you. Lift up and out.
3... Remove water distribution tray. You should be able to leave water line connected.
4... Remove media from frame (slide up and out).
5... Clean out hard water deposits and debris.
6... Check drain tube for flow and free of obstruction.
7... Slide new media into frame. Re-install water distribution tray. Reassembly opposite of disassembly.
8... Check operation.
End of heating season:
Winter start up:
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