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Starting Member


Wednesday, March 21st 2012, 6:15am

Zone 4 won't shut off

All zones start & shut off properly on my rainbird RC-4BI until it hits zone 4. This zone will keep running even after I manually turn the system off or go to another zone. I have to turn the water supply off to stop the water flow.


Wednesday, March 21st 2012, 7:15am

My first thought would be that the valve is failing.
Question: if you turn the water back on does the zone run again?
Or does it wait until the next time it's activated?


New Member

Posts: 2

Location: surrey


Wednesday, May 23rd 2012, 10:31pm

I am having the same problem, when i turn on the water supply, 2 of 3 zones are auto started, and can not shut off from controller until i turned the water supply off.

what should i do?

thanks a lot


Supreme Member

Posts: 5,287

Location: Metro NYC


Thursday, May 24th 2012, 7:02am

fix the stuck-open valves

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