Header drain pan sensor
2.Route the wire through the flex tubing to the associated zone satellite box.
3.Connect the sensor wire to the appropriate port on the satellite box terminal. Heat exchanger drain pan sensor
Header drain pan sensor
4.If you are replacing a heat exchanger drain pan sensor, do the following:
a.Replace the fan bank you removed, if applicable. For more information, see "Replacing the fan bank."
b.Replace the fan you removed, if applicable. For more information, see "Replacing the fan."