Question about Honeywell HE440A1005 Humidifier
We just moved into a 7 year old home that has the above. This morning discovered the over flow drain was pouring quite a stream of water. Turn off power and water. How should I fix?
Honeywell has had lots of problems with this humidifier. They are coming out with a completely redesigned steam humidifier that will be available in a month or two. If you know who installed it (through equipment stickers and such) you can probably get them to swap your old trouble prone unit for the new design for just the labor. If they won't, then push them to talk with their Honeywell distributor about it.
The problem is most likely a stuck float in the humidifier. There are two floats that run up and down. One that tells it when to add water, and one that is a safety. They both tend to get stuck with mineral deposits.
You can fix it by unplugging the humidifier, turning off the water, draining the pan (unscrew the drain on the bottom a few turns), disconnecting the water lines and wires (2 molded plugs and 2 screw terminals-don't worry about if they get swapped). There should be a couple of screws that lock it into the ductwork such that when you remove the screws you can pull the whole unit out to see inside the water tank. Then just clean everything out well and put it back together in the same order.
You really do want Honeywell to get you a new humidifier though.
Posted on Nov 17, 2007
One of the problems in this He440A is the the Relay Honneywell part no. 320064445-001 (4 total) . The terminals (5 total) and especially the two smaller 24 volt coil terminals are a big problem. The wires for the 24 volt coil are soldered directly to these terminals, and the complete relay is shoved in the case. So if you are testing the relay and happen to pull the wire lugs off the terminals, and most don't come off without some pulling and wiggling of the lug, then there is a good chance you will pull or break the coil wire attached to that terminal. Well then, what is the solution????? The problem has been corrected. The relay manufacturer now puts epoxy around each of the 5 terminals were it exits the case. Now the teminals can move when you remove a terminal lug.
Posted on Dec 18, 2008
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