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zursch

New Member

1

Wednesday, September 12th 2012, 7:01pm

orbit 1" sprinkler valve won't turn off....help...

I am about to toss in the towel! I have a 1" orbit sprinkler valve that will not turn off. Have taken it apart, put in a new diaphragm, new solenoid, and a new cap. Tested the electrical connection for power. But, once I turn on the water, the valve stays open. When I move the manual bypass lever to on, continues to run. As I rotate it to closed, I do get "clunking" in the line, seems the valve is trying to shut off, but then the water stays on. If I unscrew the solenoid a bit (1/4 turn) the flow slows, but does not stop. I have cycled the system, but the valve still does not turn off. I am afraid that I may have to dig up the box and replace the entire assembly. Really don't want to do that.

My system is from secondary water, I have a pump to up the pressure when engaged. But, when I turn off the water to the entire system, then turn it on again, I still have the open valve.... The other two valves in the box (both the same type), both work correctly.

Any ideas would be greatly appreciated...

mrfixit

Moderator

Posts: 1,419

Location: USA

2

Wednesday, September 12th 2012, 10:19pm

Are you 100% sure you've repaired the correct valve?

zursch

New Member

3

Wednesday, September 12th 2012, 10:49pm

Pretty confident I did, or have the right one. When I turn on the black "on" lever, other zones come on. So I believe I have it right.

mrfixit

Moderator

Posts: 1,419

Location: USA

4

Friday, September 14th 2012, 2:19am

Take the bonnet off and look for debris. There could be something keeping the diaphragm from closing all the way.

mrfixit

Moderator

Posts: 1,419

Location: USA

5

Friday, September 14th 2012, 7:37pm

While you're in there, check and see if the spring is missing.

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