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Aprilaire Humidifier Parts — Browse All Models
Aprilaire humidifiers add moisture to the air in your home to help keep your home comfortable in the winter. Aprilaire humidifiers run quietly and efficiently for the entire winter season.
When your Aprilaire humidifier breaks down, trust Sears PartsDirect to have the replacement parts you need to help you get the humidifier working again.
Owner’s manualPopular maintenance items for Humidifiers
Overload
In Stock
$45.33
Qty
Control Knob
Part #WJ12X232
Replaced by #WJ12X251
Manufacturer substitution
This part replaces WJ12X232. Substitute parts can look different from the original.
In Stock
$67.27
Qty
Refrigerator Screw
In Stock
$30.85
25% OFF Was : $41.13
Qty
Feed Tube
In Stock
$31.97
Qty
Control Knob
In Stock
$67.27
Qty
Gskt Sash Gp
In Stock
$32.63
Qty
How to maintain your Aprilaire humidifier
- Disconnect electrical power to the furnace and humidifier.
- Shut off the humidifier water supply.
- Disconnect the water supply line.
- Remove the strainer from the inlet water fitting. Flush the strainer to remove residue or replace the strainer with a new one.
- Clean the orifice at the outlet of the solenoid water valve.
- Reassemble the humidifier. Turn on the water supply and restore electrical power.
Common replacement parts for Aprilaire humidifiers
- In-line water strainer. The in-line water strainer traps impurities from the water supply.
- Water supply orifice. The water supply orifice controls water volume going to the water panel.
- Solenoid water valve. The solenoid water valve supplies the water to the water panel as needed.
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