Solenoid valve maintenance?


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Old 11-20-07, 11:14 AM
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Solenoid valve maintenance?

I have a Honeywell 265A Bypass Humidifier.

Two questions:
1. How does one know if the solenoid valve is clogged/broken versus the humidifier (without buying one of each to test)?

2. Is there a way to maintain a bypass humidifier in the Spring/Summer/Fall to prevent the solenoid valve from failing?

Thanks!
SG
 
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Old 11-20-07, 03:17 PM
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Originally Posted by sooopergenius
1. How does one know if the solenoid valve is clogged/broken versus the humidifier (without buying one of each to test)?
Undo the compression fitting (Turn off supply line!) from the valve. inside there is a small screen that can come out.. May have to use a paper clip to help pull it out. Wash screen in water/vineger.

If there is no change in flow after you put it back together, undo it, and grasp the valve and undo the orifice that threaded in to the valve body.. Just a small pin hole on the orifice, wash in water/vinager.

When you out the orifice body in, use a small amount of pipe dope, or tuflon tape.

2. Is there a way to maintain a bypass humidifier in the Spring/Summer/Fall to prevent the solenoid valve from failing?
Do the above stuff in the spring when you are shutting down the humidfier for the summer. Remove the pad, and dispose of, clean and wash out frame that holds the pad in place, and put in new pad. Make sure you put the paint strip on the pad on top in the frame.
 
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Old 11-21-07, 02:04 PM
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If you take off the outbound compression nut and remove the tube and then start the humifier, if water doesn't shoot out, the solonoid is either broken or clogged.

Take a look at the post I put up a few days ago - I had a clogged solonoid, the small filter that goes on the inbound flow side somehow got pushed further into the solonoid and preveneted the solonoid from openeing.

Also a workingh solonoid will click when the water starts to flow and when it stops.

If you don't hear the click, it's either stuck or broken.

Also check to be sure all the wires on the 24 volt circuit are connected and secure.

Good luck
 
 

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