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I noticed the other day that one of my sprinkler valves appears to be leaking. The valve still works, but when testing it I noticed the solenoid is also buzzing. I'm not sure if these two things are related?

I tried testing the solenoid manually using 9v batteries and it opens the valve fine and runs quiet. But when I tried running it off of another sprinkler wire or another station number on the controller it still buzzes.

Should I just replace the entire valve and assume the wiring is good? If it's replace, is there a way to get this off without cutting the pipe?

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  • "Should I just replace the entire valve and assume the wiring is good?"

Don't assume, you should test the wiring by connecting the wires from the problem valve to the valve next to it and activating that station using the Manual feature on your timer (or waiting for it to operate according to your existing timer schedule.

  • "Should I just replace the entire valve and assume the wiring is good?"

We can't tell where the leak is coming from so we don't know if it needs to be replaced, maybe it just needs a simple washer or o-ring. Most valves can be rebuilt using a washer/gasket kit (those are particular to brand and model, get the info off of the valve and google it). The solenoid can also be easily replaced (the buzzing noise, whether it still works or not, may be an indicator of near-future failure).

I don't mention rebuilding as a money saving strategy, I mention it as part of the answer to your second question:

  • "is there a way to get this off without cutting the pipe?"

NO

  • Is the solenoid specific to the exact model of valve or can I use a common replacement? – Jonathan Jul 19 '16 at 16:01
  • Most are the same, you should be able to use a generic replacement for the valve. Turn off the water and unscrew it so you can take it with you to the hardware store, to make sure the threads are the same. – Jimmy Fix-it Jul 20 '16 at 1:18

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