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I have a honeywell 260a, and the water flowing through the pad is so much that it actually overflows the unit. I have checked the drain, I even drilled out a little bit of plastic to open the capacity of water to go through. The water pools at the bottom of the plastic, and pours out on the floor. I don't think it is the solenoid, and when I tried to close the valve from the water supply to limit the water, nothing happens, I can't shut off the supply. What should I do? It almost looks like the amount of air is so strong that it is blowing the water into the front of the plastic cover and then leaking onto the ground.

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Posted on Jan 02, 2017

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SOURCE: no water flow to the humififier

I've been working on the Aprilaire 110 unit today, after encountering the same problem. Here's how I fixed it: First, with the humidistat turned to 0%, I turned off the water supply saddle valve all the way (all the way to the right)--and then turned it back on all the way (all the way left). Still no water flow. Second, I slightly loosened the inline valve nut on the discharge side of the solenoid on the side of the 110 unit. Water began flowing, so I tightened it back up; and now the water flows freely. Conclusion: You may have some mineral deposit buildup in your lines, as I apparently did.

Posted on Dec 15, 2008

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FurnaceGuy
  • 74 Answers

SOURCE: When furnace cycles on the humidifier overflow

If the water stops when the heater is not running then the humidifier is working fine. I know it seems like alot of water but that's how it's designed.

Posted on Jan 03, 2010

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heatman101
  • 43501 Answers

SOURCE: I have an Aprilaire 550

Hi,
It would seem that the solenoid valve is bad and that water is running through even when the unit is not blowing... the solenoid should be closing and shutting down the water when the blower is not working....

Here is the part that you need...

heatman101

Posted on Dec 15, 2010

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1 Answer

Honeywell he240 no longer working. It is less than 2 months old. I noticed water had stopped flowing out of drain tube. The filter tray is not filling up with water. Humidistat clicks when turned up and...


Maybe the hose is blocked. Take the hose off the supply side, and blow into just enough to add pressure to it and see if that works.

Try this site for more details or a similar issue:

Honeywell HE240 new install not working

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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.

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I have a whole house Honeywell E365 humidifier which is constantly flowing water to the pad, even when the heat is not on. What could be the cause ?


Hello, the most common reason this happens is because the solenoid valve is bad and remains open allowing water to flow continously regardless if the furnace is on or off. I assume you have either a sail switch or current sensing relay energizing the humidifier when the heat is on, if not thats another reason it would run continously.

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2 months into the heating season I noticed a large puddle around my heater. the Aprilaire 600 unit was leaking. The distrution tray had a red substance around the water holes. Also the overflow drain line...


Mold can really cause problems with humidifiers-
They do need to be serviced, cleaned up, and something like weak bleach used to kill mold spores, -- get it all tidy and clean!
Were you able to clean out the drain line?-- and is it draining now?
And is the float valve shutting off the water flow, before it reaches the overflow drain pipe?
Another concern would be the soaking pad-- Has it been changed recently?

Tell us more--

Mack B

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Neither, even if the solenoid or humidistat stick, it should always drain properly. Is the unit mounted on the cold air return duct or the supply plenum? If it's mounted on the supply plenum, the water panel might be getting blown forward and spilling the water. High efficient furnaces also can leak water on the floor if its drain is restricted. If hum. is mounted on return duct make sure drain is clear by blowing through it. On Honeywell hum's I've seen the rubber hose from the solenoid valve to the distributor tray leak too, check the rubber 1/4" hose.

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With the Honeywell he220, you will use alot of water, trying to turn down the water will only reduce your amount of humidity in the home, you may be able to adjust it a little but you need to take the cover off and reduce the water flow a little at a time watching the water as it flows across the pad, you just have to make sure the humidifier pad is getting plenty of water across it, to little and you lose your humidification, hope that was helpful to ya, thanks for your question,
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1 Answer

Waterflow


If the unit was installed with a saddle valve, which is most often the case, you could try turning down the water pressure by tightening the valve a bit. Just follow the copper water line from the humidifier back to the main water line and look for a little valve that you can turn. Try to tighten this enough so that you still have water flowing, but at the proper volume so that it doesn't overflow and splash all over.

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Try the following test, ( I will resume this is a flow through humidifier)

Spray water directly oin the filter make sure it is saturated. Some water should leak from the bottom. After 10 min measure the Humidity to see if this helped. If there is a higher level of humidity the pbm is that not enough water is saturating the filter. Check the level of the filter & water feed nozzle.

Option 2 is to connect the water feed tube to a Hot water source.

Hope this helps.

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1 Answer

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I has same problem and was able to fix ti by taking off the selonoid (cylinder) and then removing both fittings (where the water line enters and then exits the selonoid. The fitting where the water enters has a small pinhole that I found clogged and just cleaned it with a toothpick. After cleaning and reattaching everything, it works fine.

If that doesn't work, you might need a new selonoid which are around $70-$80.

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2 Answers

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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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