Question about Honeywell Whole House Humidifier TrueEASE HE300 Power unit

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HE300 humidifier solinod wont close

When unit is shut down, water keeps flowing through unit

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Posted on Jan 02, 2017

  • 279 Answers

SOURCE: HE440A Steam Power Humidifier

The most common cause of overflow is when hard water deposits build up and prevent the float from closing. You'll have to open up the unit, make sure there's no water in it, and clean out any mineral deposits.

The problem with these steam producing units is that there is no built in way to remove those deposits automatically. The water comes in, evaporates, and leaves anything else that was suspended in it behind.

Posted on Nov 14, 2007

  • 1 Answer

SOURCE: Water flow through humidifier

The solenoid that turns on the water to the unit should not change the water flow, so you should get the same amount of water that flows into the solenoid. If you want less water, you can partially close the valve at the water source.

Posted on Jan 22, 2008

  • 8 Answers

SOURCE: Water keeps running to Honewell 360A Whole House Humidifier

You may need to replace the valve that is wired to the furnace that controls the water flow

Posted on Feb 04, 2009

  • 189 Answers

SOURCE: No Water flow thru Humidifier

Loosen the brass fitting where it connects to the soleniod valve. If water comes out your saddle valve is ok. Carefully retighten this fitting. With the humidifier turned on loosen the first fitting down stream from the valve see if water comes out. if it does turn the humidifier off and see if it stops, it should. That will tell you the the valve is ok then, just clean the filter and the oriface. if it does not turn on and off check the wiring. if ok replace the valve.
Good luck

Posted on Mar 29, 2009

  • 21 Answers

SOURCE: Water flow from humidifier never stops. Even when furnace is off.

No, it will not stop flowwing if it is the water supply. A solenoid valve opens the flow everytime there is a call for humidity, but it stops at the humidifier when there is no call, so it will leak from that point until it is fixed or tightened.

Posted on Aug 20, 2009

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1 Answer

Water valve does not close when the furnace is off. How do I troubleshoot?


Hello, disconnect power to the solenoid valve if this does not shut off the water flow, replace the solenoid. If it does shut off the water flow most likely the humidistat is bad amd will have to be replaced.

Dec 30, 2011 | Aprilaire 550 Humidifier

1 Answer

HE440A Steam Power Humidifier


The most common cause of overflow is when hard water deposits build up and prevent the float from closing. You'll have to open up the unit, make sure there's no water in it, and clean out any mineral deposits.

The problem with these steam producing units is that there is no built in way to remove those deposits automatically. The water comes in, evaporates, and leaves anything else that was suspended in it behind.

Nov 14, 2007 | Honeywell HE440A1005 Humidifier

1 Answer

My Aprilaire 560 doesn't shut off even if the blower is off.


My Aprilair 560 turns on and off repeatedly.Making a loud banging sound.Changed my water valve worked 1 day and started agin.

Dec 20, 2009 | Aprilaire 550 Humidifier

1 Answer

Aprilaire model 560 pan keeps filling up with water - what adjustments do I need to do?


Here's a link to the manual for your Aprilaire model 560 humidifier you can download and print for free.

According to Aprilaire, it is normal for there to be excess water going into the drain pan. However, the drain pan should have a drain line connected to it so the contaminents from the humidifier can be flushed down a drain and away from the unit. (see page 2 Principle of Operation).

They further state that the water valve should only be either fully on or fully shut off and do not attempt to regulate water flow with the inlet supply valve.

http://www.aprilaire.com/themes/aa/en/manuals/Humidifiers_Owners_Manual.pdf

I would give the unit a good cleaning of the pan, locate the drain connection and attach a drain line to your unit as is required for proper operation and function/

Hope you find this Very Helpful - Best regards!

Aug 19, 2009 | Aprilaire Humidifiers

1 Answer

We have an old Aprilaire humidifier (Manual adjust)and having problems trying to figure out how to shut it off-for the summer.


close the by pass air flow valve. shut off the water supply and finally flow the thermostat wire to the transformer or the controller and shut off or disconnect. Unit should be serviced before winter. Cell may need to be replaced

Aug 10, 2009 | Aprilaire 550 Humidifier

1 Answer

Water keeps running to Honewell 360A Whole House Humidifier


You may need to replace the valve that is wired to the furnace that controls the water flow

Feb 01, 2009 | Honeywell HE360A1027 Whole House...

1 Answer

Too much water wasted


The oriface is sized for the proper water flow for the model you purchased. If you are dissatisfied you could throttle down on the saddle valve to restrict the water flow to the unit.
Good luck
HVAC Teacher

Jan 31, 2009 | Aprilaire 600 Humidifier

1 Answer

Water flow to my model 600 seems to be too quick. It splashes all over inside my furnace duct and over fills the drain causing water to run all over the floor. Could this be a bad selonoid?


It is not likely to be caused by the selonoid valve. The selonoid is designed to be either open or closed, so if the unit is calling for humidity, it should be 100% open allowing as much water as possible to flow through. In cases of a bad selonoid, it will usually stick open or stick closed, but I have never heard of one allowing too much water through. Check to make sure your drain is clear and that the incoming line to the humidifier is positioned properly on the inside of the unit. If this doesn't solve the problem, it could be that the water line to the humidifier is too large, allowing more flow than the unit is designed for.

Dec 16, 2008 | Aprilaire 600 Humidifier

1 Answer

Loud clicking, banging noise


We recently had the same problem. After cleaning both the furnace filter and the humidifier water panel, the clicking noise (electric air filter) and the loud bang went away.

Nov 30, 2008 | Aprilaire 550 Humidifier

2 Answers

Water flow through humidifier


I installed this humidifier (and had a lot of trouble installing it!) and was surprised by the flow of water. Mine leaks out of the bottom of the unit so I haven't actually used it yet. I'll try to figure out why it's leaking this weekend. I thought there would be less water flowing through the pad. I suspect that the weight of the unit is causing it to not be plumb so some water is dripping off of the pad and past the drain tray.

Nov 30, 2007 | Honeywell HE360A1027 Whole House...

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