I have a carrier humidifier and it wastes so much water when the fan runs. There is a flow restriction orifice in line (red) but it still allows too much water. It's impossible to fine tune it with a shut off valve. Is there a replacement office that would be more restrictive.?
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Re: 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.
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This is typical especially if there is not much air flow across the humidifier. Make sure the fan is running in the humidiifier and the core does not need to be replaced. Sometimes I have had to turn the water valve back a little to cause less water to go through to conserve that wasted water.
thats too much.. and a waste of water... you should install a good ball valve water shutoff inline and let it trickle.. ideally, it should be net zero water wastage but there's always a bit.. my water take-off drain runs about once every 5hrs and its about a litre (its siphoning water out of the combustion chamber as well as the waste water from the humidifier.. (you can get those ball valves at homedepot for about 6bucks -- they're usually compression fittings as well)
Valves do go bad, but I had the same issue and it was the inlet orifice that was plugged. To fix: Turn off the water supply. Disconnect the water inlet line to the solenoid. The water inlet line connect to ~ 1" long piece that goes into the solenoid. Unscrew the water inlet piece and remove it from the solenoid. Check it for water flow - water should slowly drip out the small orifice at the soleniod side. There is a pin-hole sized orifice on the solenoid side and it doesn't take much to plug it. There is also a narrow cone-shaped filter inside the inlet piece. You can use tweezers to remove the filter and & use a safety pin or sewing needle to clear the orifice. Check the filter, clean it if necessary, and reinstall the filter. Now check for water flow thru the part before reinstalling. Reconnect the water inlet line and turn on the water supply. Turn your humidistat to trigger the humidifier. You should see water flowing through the drain tube.
the humidistat on this unit just acts as a set of dry contacts. with the humidifier plugged in, you should be able to touch the 2 brown wires by the water solenoid together and get the power fan to run and the water solenoid to enrgize. if you do this and water does not flow, you most likely have a bad water soenoid. it is either electrically bad, or just plugged with water deposits. sometimes you can pull it apart and clean it, sometimes you just have to replace the solenoid.
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, mr.grzz
This may not be a solution, but a couple things you might want to look at. First, the humidifier may not be big enough for your house - just because a contractor installed it doesn't mean he sized it right. Second, humidity may only be 30% locally by the humidistat, but higher in other parts of the house - it depends where the humidistat is located. Finally, look at your hot water line - I'm surprised he ran it off hot water and not cold - seems like a waste of energy to me, but the feed line may be clogged by sediment from the water heater