Water Solenoid

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Old 09-17-13, 12:23 AM
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Water Solenoid

I want to hook up a 4 nozzle mister system on a friends patio. I want to hook it up to a solenoid valve so I can turn it off/on via a remote. My initial thought was to hook up a 24VAC powered solenoid and then hook it up to a remote adapter so I can turn it on/off via remote.

Parts...
24v AC Adapter
G40 3 5mm Round Pin New GPS AC Wall Charger Power Adapter 5V 1 5A Output 12V 24V | eBay

Solenoid
1 2" 24 Vac Brass Electric Solenoid Valve NPT Gas Water Air One Year Wrranty | eBay

Remote Outlet
Wireless Remote Control AC Power 2 Outlet Switch US Plug 110V 120V | eBay

Would this combination work?

Also, what if I purchased a 12V DC solenoid and hooked it up to a 12V battery? The valve would be "normally close" which I believe means it would only let water through when the valve is energized. If this is the case, how long would the battery last if we only used it for maybe 30mins to an hour a week. Would we have to constantly charge it?

Lastly, if going AC what is the advantage/disadvantage of going 110v versus 24V with a transformer?

Thanks!
 
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Old 09-17-13, 02:04 AM
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Your suggested parts list is incompatible. There is no way that an adapter outputting 5 volts DC can operate a 24 volt AC valve. Use a 120 volt AC valve direct to an AC remote control. The remote can be purchased from any big box mega-mart homecenter for about the same price as that eBay advertisement.


Also, what if I purchased a 12V DC solenoid and hooked it up to a 12V battery? The valve would be "normally close" which I believe means it would only let water through when the valve is energized. If this is the case, how long would the battery last if we only used it for maybe 30mins to an hour a week. Would we have to constantly charge it?
Depends upon the size of the battery but yes, you would probably be constantly charging the battery. Adding in the cost of the battery and it makes the project impractical in my opinion.


Lastly, if going AC what is the advantage/disadvantage of going 110v versus 24V with a transformer?
120 volts, not 110 volts. The advantage is fewer parts and most likely lower cost.
 
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Old 09-17-13, 12:38 PM
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That was my mistake. It was supposed to be a 24v adapter. I guess they threw in 12v/24v at the end so the search would pick it up if you typed in 24v. Anyhow, it seems like 110v valves are cheaper. From what I've read most household power rates at around 115v in most places. It seems like most people are pretty safe using 110v on a 120v line without burning up whatever it is they're powering. Would this be true in most cases? Thanks for your help!
 
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Old 09-17-13, 12:45 PM
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it seems like 110v valves are cheaper.
What is a 110V valve, and what is it cheaper than?

From what I've read most household power rates at around 115v in most places.
Standard power is 120V hot to neutral. +10% is considered acceptable for most appliances, so a device rated at 110V should be able to handle 109 t0 121V, but maybe not up to 132V.
 
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Old 09-17-13, 02:48 PM
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Many of the electrical components listed on eBay are of Asian manufacture and they are rated at 110 or 220 volts. I have had no problem using them on the 121 volts I receive from my utility.
 
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