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Repair Center  How to Service an Aprilaire Evaporative Humidifier

Why Read This Article?

  • Get your humidifier running like new by learning how to properly service your Aprilaire.

Article Breakdown

Repair Information:
Difficulty: Easy
Duration: 15-20 Minutes
Frequency:
As needed
Readying your humidifier for servicing
1. Turn the humidistat to the off position

2. Turn off the water supply to the humidifier
3. Remove the humidifier cover
4. Pull the water feed tube off of the unit
5. Remove the tray from the product Servicing your Humidifier
1. Clean the water distribution tray

2. Replace the water panel Reassembling your humidifier
1. Replace the tray in the humidifier

2. Reattach the water feed tube
3. Replace the humidifier cover
4. Turn the water supply back on
5. Turn the humidistat back to its original setting

Video

Tools & Materials

  • Lime removing agent
  • Scrub brush

How to Service an Aprilaire Evaporative Humidifier

February 4, 2013
Learn how easy it is to service your Aprilaire humidifier in just a few steps. Doing this extends the life of your product and saves you money compared to repair shops. 
Don't let your Aprilaire humidifier run inefficiently this winter. Servicing this type of product is necessary to keep it running like new. Use this article as a guide for servicing your humidifier and keep moisture in your home as you intended! 

  Find all of the parts needed for this article by visiting our Aprilaire humidifier parts page   Readying your humidifier for servicing

1. Turn the humidistat to the off position

Make sure to note the original position of this dial before turning it off.


2. Turn off the water supply to the humidifier

This valve should be located close to your unit.


3. Remove the humidifier cover

The cover will come right off with little force.

 

4. Pull the water feed tube off of the unit

With only a little force, this line should come right off of the nozzle.

 

5. Remove the tray from the product

This will slide right out of the humidifier.

 

  [Back to Top]   Servicing your Humidifier

1. Clean the water distrubtion tray

Unsnap the water distribution tray from the insert. 

 

Use a scrub brush and lime remover to clean the tray--then rinse it off with water.

 

2. Replace the water panel

Clean the calcium from the filter tray--then place the marked side (black line) up and slide it back into the tray.

 

 

  [Back to Top]   Reassembling your humidifier

1. Replace the tray in the humidifier

It will just slide back into its original position.

 

 

 

2. Reattach the water feed tube

Push this line back onto the nozzle.

 

3. Replace the humidifier cover

The cover will just snap back into place.

 

4. Turn the water supply back on

Simply turn the knob to get the water supply back to the humidifier.

 

5. Turn the humidistat back to its original setting

Remember the original setting your humidifier was set at? Turn the dial back to that position.

 

    [Back to Top]    Conclusion And by following the steps listed in this article, anyone with a few basic items can perform this routine maintenance. Servicing your products allows your humidifier to work correctly and last for years to come. 
Need parts for another humidifier? We've got them!
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