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  #111  
Old 09-03-2014, 07:18 AM
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Wet_Boots Wet_Boots is online now
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Quote:
Originally Posted by Ron Wolfarth View Post
I am sorry I was not clear. The DV Valve is not at all compatible with two-wire systems. Do not ever use them. I was trying to say before that even though it may be found to work from time to time, it is not reliable over time and it most likely will fail. Maybe some have experience that suggests this is not as absolute as I am stating here. But Rain Bird does not recommend DV valve solenoids to be used on a two-wire system ever.
Does this incompatibility extend to the devices, like the Doubler or Expander that exist to overcome a wiring fault/deficiency, where one station wire in the field is used to actuate more than one zone?
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  #112  
Old 09-03-2014, 10:53 AM
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Ron Wolfarth Ron Wolfarth is offline
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The Doubler

Quote:
Originally Posted by Wet_Boots View Post
Does this incompatibility extend to the devices, like the Doubler or Expander that exist to overcome a wiring fault/deficiency, where one station wire in the field is used to actuate more than one zone?
Good question. I don't know. (I have not heard of the Expander, but I assume it is a similar device.)
I personally have not heard complaints from customers on these products. This makes me think there is a chance they are okay, but Rain Bird has not expressed an opinion on this.

I don't know exactly how they accomplish what they do. I assume they pass through the full power on the circuit to the first valve and then toggle to the next valve on the next cycle. If so, I imagine they have a chance of working. For a more definitive answer, contact the manufacturer. I would think they have done the necessary testing to show they work on the valves on the market. Since DV is the top selling valve, I am sure they would have tested it.
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