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New Member


Tuesday, April 10th 2012, 4:25pm

Solenoid 14 Yrs old Nelson- Replacment Options.

After last year blowout ,today my one zone wont come up ,Controller says Nelson 8424, Solenoid is JH 811,valve dont know. Can i use hunter ,rainbird etc solenoid on this thing ? Secondly if not which valve should I buy ? Rest three zone r working fine .

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This post has been edited 1 times, last edit by "Comb" (Apr 10th 2012, 4:49pm)


Supreme Member

Posts: 5,013

Location: Metro NYC


Tuesday, April 10th 2012, 5:50pm

An Irritrol solenoid will be the replacement


Wednesday, April 11th 2012, 8:24am

Signature acquired Nelson back in 2008. The most common solenoid replacement listed, the 7962, is for the 7900 and 9000 series. It's also the only one I can find listed, which narrows the options. Without knowing for sure which valve you have it is a best guess/gamble.


Supreme Member

Posts: 5,013

Location: Metro NYC


Wednesday, April 11th 2012, 9:24am

Older Nelson valves of that series had a separate piece that combined with a 'standard' 3/4-20 thread solenoid to make what is sold as a single piece today - why the change, I don't know.

This post has been edited 1 times, last edit by "Wet_Boots" (Apr 13th 2012, 10:23pm)



Posts: 1,918

Location: USA


Wednesday, April 11th 2012, 1:30pm

I'm pretty sure he says the controller is a Nelson but he doesn't know what make the valve is.
Here's the Irritrol solenoid Boots refered to.
Click Here


New Member


Friday, April 13th 2012, 5:28pm

Thanks to all .Ordered the Irritrol.

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