How to Use Aprilaire 600: A Complete Guide

how do you use aprilaire 600


The Aprilaire 600 is a highly efficient whole-house humidifier that helps maintain optimal humidity levels in your home. If you’re wondering how to use the Aprilaire 600, you’ve come to the right place. In this guide, we will provide you with a step-by-step process to ensure you can make the most of this fantastic product.

Step 1: Installation

Before using the Aprilaire 600, it’s crucial to install it correctly. Follow these steps to ensure a proper installation:
1. Choose the ideal location: Find a suitable spot on the supply or return plenum of your heating and cooling system.
2. Mount the humidifier: Securely attach the Aprilaire 600 to the plenum using the provided template and screws.
3. Connect the water supply: Connect the water line to the solenoid valve, ensuring a tight connection.
4. Connect the drain line: Attach the drain line to the humidifier and ensure it is properly directed to a suitable drain.
5. Connect the control wiring: Connect the control wiring to the humidistat and the HVAC system.

Step 2: Setting Up the Humidistat

The humidistat is a crucial component of the Aprilaire 600, as it allows you to control and monitor the humidity levels in your home. Here’s how to set it up:
1. Mount the humidistat: Choose a convenient location on an interior wall and mount the humidistat using the provided screws.
2. Connect the control wiring: Connect the control wiring from the humidistat to the humidifier and HVAC system.
3. Set the desired humidity level: Adjust the humidistat dial to your desired humidity level. The Aprilaire 600 will automatically maintain this level.

Step 3: Operating the Aprilaire 600

Once the installation and setup are complete, you can start using the Aprilaire 600. Here’s how:
1. Turn on the water supply: Ensure the water supply valve is open to allow water to flow into the humidifier.
2. Adjust the humidistat: If you want to increase or decrease the humidity level, simply adjust the humidistat dial accordingly.
3. Monitor the humidity levels: Keep an eye on the humidity levels in your home using the humidistat. The Aprilaire 600 will automatically adjust the operation to maintain the desired humidity level.

Step 4: Maintenance and Troubleshooting

To keep your Aprilaire 600 running smoothly, regular maintenance is essential. Here are some tips:
1. Replace the water panel: The water panel should be replaced at least once a year or when it becomes clogged with mineral deposits.
2. Clean the unit: Regularly clean the humidifier to remove any dust or debris that may accumulate.
3. Check for leaks: Inspect the unit for any water leaks or drips and address them promptly.
4. Troubleshooting: If you encounter any issues with the Aprilaire 600, refer to the user manual or contact customer support for assistance.


Using the Aprilaire 600 is a straightforward process that involves proper installation, setting up the humidistat, operating the unit, and performing regular maintenance. By following this complete guide, you can ensure optimal humidity levels in your home, creating a comfortable living environment for you and your family. Enjoy the benefits of the Aprilaire 600 and breathe easy all year round.



Written by Editor

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