How to troubleshoot a leak in an Aprilaire humidifier?

  1. Inspect the housing for cracks.
  2. Make sure the plastic insert is seated properly.
  3. Pour water into into plastic insert to see if it is leaking.
  4. Pour water into the pipe where it exits the humidifier to be sure the exit piping is not clogged.
  5. Change the water panel.

Why is my Aprilaire humidifier leaking water?

Replace drain line every year or as necessary. Water Panel Evaporator or scale control insert – a clogged water panel evaporator could cause the scale control insert to fill with residue and block the drain opening, causing leaking.

Why is my humidifier leaking from the bottom?





Excess water in the humidifier is emptied out through the drain line, so if it’s clogged or blocked in any way, water will build up inside the humidifier and leak out. Damage or holes in the drain line will also cause humidifier leaks. An expert will either unclog the drain line or replace it. The solenoid valve.

How do I stop my humidifier from leaking?

Quote from the video:
Quote from Youtube video: Mode. Begin by locating the water line to the humidifier trace the line back to the shut-off valve turn the water off this will prevent additional water from entering the humidifier.

Why is my furnace humidifier leaking water?

Quote from the video:
Quote from Youtube video: The most common source of a leak on a humidifier is the homeowner not changing the water panel. When you're looking at the humidifier body if this gets plugged up with a lot of hard water deposits.

How much water comes out of an Aprilaire humidifier?

The 400 Humidifier evaporates 100% of the water supplied to the humidifier and uses . 7 gallons of water per hour.

How do I test my Aprilaire humidifier?





To check the humidifier operation, set the knob to “Test/Reset”, make sure that the water saddle valve is open and that there is electricity to the unit. The furnace blower motor must be operating and the furnace calling for heat for the Aprilaire Humidifier to function.

How do I fix a condensation leak in my furnace?

Steps to Stop Water Leaking Around Your Furnace

  1. Shut Off System. Look for shutoff switch, which looks like a light switch next to the furnace and coil, and switch it off. …
  2. Clean Up Water Quickly. …
  3. Check Filter. …
  4. Place Vacuum Around PVC Drain Line. …
  5. Pour Water Into Top of Condensate Pump.


Why is my furnace leaking water in the winter?

This can be the result of clogged condensation tubing, breaks in the condensation line or other possible issues with the pump. Humidifier issues are also a possible cause of furnace leaks. A clogged filter or drain in the humidifier can easily cause any furnace to produce unwanted moisture.

How long should an Aprilaire humidifier last?



They last for an average of 10 years.

How do you know if your aprilaire is working?

The click sound at the solenoid valve indicates there is electricity to the solenoid valve. By turning the dial of your manual humidistat to a setting above the “click point” you should see water coming out of the drain line within a few minutes which would indicate your humidifier is working.

How often do I change my aprilaire water panel?

The water panels were designed to be used for the season of the humidifier. The water panel in the 400 and 400M models needs to be replaced every 3 months. Every season, the 500, 500M, 600, 600M, 700 and 700M require replacement.

What happens if you don’t change your humidifier filter?



If you do not frequently change the filter or water panel, your whole house humidifier can also end up leaking, which causes damage to the unit. When you change your whole house humidifier filter, always turn off the power to the system. There will be a plastic frame holding the filter in place.

How do I change my AprilAire water panel?

Quote from the video:
Quote from Youtube video: You just slide the top off. And pull the water panel right out. Okay another thing on your new water panel should you decide to do this on your own the top of the water panel has a marker on it.

How do I reset my AprilAire water panel?

Quote from the video:
Quote from Youtube video: So if you have the change water panel light blinking turn your knob to reset. Hold it there for a few seconds. And then back it off.

What should my AprilAire be set at in the winter?

What is the proper relative humidity to have in my home during the winter? Aprilaire like any other humidifier manufacturer designs our humidifiers to maintain an indoor relative humidity of 35% at an indoor temperature of 70F, anytime the outdoor temperature is 20F or above.

How often should I replace my AprilAire humidifier filter?



Water panels are the backbone of your AprilAire Humidifier and they must be replaced annually. The water panel is an aluminum mesh frame that helps your home maintain its proper humidity levels to help you and your family breathe clean, Healthy Air.