DescriptionThis video provides step-by-step instructions for replacing the water inlet valve on Skuttle humidifiers. The most common reasons for replacing the water inlet valve if it is burned out or clogged, causing water to not enter the humidifier or the humidifier to overflow.
All of the information in this inlet valve replacement video is applicable to the following brands: Skuttle
Step-By-Step Instructions1
To replace the water inlet valve on your humidifier you should first turn off the power to the furnace
2
Shut off the water to the humidifier.
3
Next, disconnect the water supply line from the inlet valve fitting.
4
Be prepared for some water to spill out.
5
Now use a 7/16th inch socket wrench to remove the fitting.
6
Next, remove the screw securing the humidifier cover and lift the cover off.
7
Pull the water distribution tray forward and lift the tray and evaporator pad out of the housing.
8
Remove the wire nuts to disconnect the inlet valve wires.
9
Pull the old inlet assembly out of the housing and detach the outlet tube.
10
Prepare the new water inlet valve for installation by first removing the port plugs.
11
Apply thread sealant to the new orifice fitting and thread the fitting into the appropriate port on the valve.
12
Attach the outlet tube to the orifice.
13
Thread the wires through the hole in the housing and push the new valve into place.
14
Make sure the outlet tube is position in the slots and apply sealant to the new inlet fitting threads.
15
Insert the fitting into the hole in the housing and thread it into the new valve.
16
Now insert the new inline filter into the fitting and connect the water supply line.
17
Cut the connectors off the ends of the wires and strip off a quarter inch of insulation.
18
Connect the two pairs of wires with the provided wire nuts.
19
Make sure the water distribution tray is aligned on the edge of the evaporator pad with the indicator mark then insert the pad into the lower housing and push the tray into position.
20
Replace the humidifier cover and reinstall the screw to secure.
21
You can now turn the water supply back on and restore power to the furnace to confirm that the humidifier is functioning properly.