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Old 09-20-2015, 05:42 PM   #31
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Originally Posted by djlandkpl View Post
You're correct. The common is typically white. Thanks for the correction.

Greg goes overboard with his advice often times is completely wrong and unsafe. There's no need for gel filled wire nuts or stone in an irrigation valve box.
I disagree about the gel filled wire nuts. Corrosion will interfere with the connections over time. Gravel also helps keeping the dirt below the valves. Every Fall I need to dig down to get to the valve controls to open the zones.
I think I'll try clearing the valves from soil and installing a bag of gravel. Jus to see if it works.
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Old 09-20-2015, 06:17 PM   #32
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I disagree about the gel filled wire nuts. Corrosion will interfere with the connections over time. Gravel also helps keeping the dirt below the valves. Every Fall I need to dig down to get to the valve controls to open the zones.
I think I'll try clearing the valves from soil and installing a bag of gravel. Jus to see if it works.
Possibly. I have 5 valve boxes that have been in service for 15 years with regular wire nuts and I've never had a problem. A deeper valve box / extender will keep soil off of your valves unless it's coming from somewhere else.
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Old 09-20-2015, 07:06 PM   #33
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I think what @gregzoll was perhaps getting at is that the dirt sitting on top of the valves is problematic because the dirt can get into the valve body and obstruct the diaphragm, causing it to not seal properly. The dirt could get in through the port where were the solenoid sits, or through a screw not tightened well enough, or a crack, etc. In any case, it wouldn't hurt to put waterproof connectors and gravel in the box. A lot of irrigation pros do it that way to eliminate any possibility that it will be a problem. I'm actually currently dealing with a sprinkler problem and am wondering whether the non-waterproof connectors that are on there are part of the problem. I believe you, @djlandkpl , commented on that thread about the corrosion possibly being a factor. Also, I think you're supposed to put the gravel at a 4" layer around the valves and then sit the box on top of the gravel to keep it from sinking into the mud or shifting around, aside from keeping things clean (not to mention the unwanted pests from seeing it as a nice moist environment to set up shop)
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Old 09-20-2015, 09:31 PM   #34
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JustScrewit, actually what I was getting at, is the fact that the dirt and water can get inside those Wire nuts and cause problems. As for the Valve. They are sealed, so there is no way for anything to get inside if they get covered with water or mud.

The Gravel is to keep the inside of the box clean so that your valve and wiring does not get covered over with dirt and water.

You are also required to use the Gel filled Wire nuts to keep the wiring from corroding and to not allow water & dirt into the connection. Not using the gel filled wire nuts, means that you will have issues with the system.




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Old 09-21-2015, 03:37 AM   #35
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Originally Posted by gregzoll View Post
JustScrewit, actually what I was getting at, is the fact that the dirt and water can get inside those Wire nuts and cause problems. As for the Valve. They are sealed, so there is no way for anything to get inside if they get covered with water or mud.

The Gravel is to keep the inside of the box clean so that your valve and wiring does not get covered over with dirt and water.

You are also required to use the Gel filled Wire nuts to keep the wiring from corroding and to not allow water & dirt into the connection. Not using the gel filled wire nuts, means that you will have issues with the system.
Ok greg. But what do corroded wires have to do with a leak in one of the sprinkler heads on a zone?

I just assumed that your post about waterproof connectors and gravel was intended to be relevant to OP's specific issue with the leak. But apparently I was wrong. My mistake
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Old 09-21-2015, 08:56 AM   #36
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Ok greg. But what do corroded wires have to do with a leak in one of the sprinkler heads on a zone?

I just assumed that your post about waterproof connectors and gravel was intended to be relevant to OP's specific issue with the leak. But apparently I was wrong. My mistake
It was a suggestion based upon the photo that was posted. It showed issues that would crop up in the future. So the suggestion was made to fix the issues now so in the future the OP didn't have to come back and ask questions about zone not working properly.
It happens quite often that a post will expand and not necessarily remain with the initial problem.
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Old 09-21-2015, 09:55 AM   #37
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Quote:
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It was a suggestion based upon the photo that was posted. It showed issues that would crop up in the future. So the suggestion was made to fix the issues now so in the future the OP didn't have to come back and ask questions about zone not working properly.
It happens quite often that a post will expand and not necessarily remain with the initial problem.
I can dig it. Ironically, my intention was to lend support to his post and ease concerns that the info was superfluous or "over board"...
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Old 09-25-2015, 10:11 PM   #38
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Originally Posted by JustScrewIt View Post
I think what @gregzoll was perhaps getting at is that the dirt sitting on top of the valves is problematic because the dirt can get into the valve body and obstruct the diaphragm, causing it to not seal properly. The dirt could get in through the port where were the solenoid sits, or through a screw not tightened well enough, or a crack, etc. In any case, it wouldn't hurt to put waterproof connectors and gravel in the box. A lot of irrigation pros do it that way to eliminate any possibility that it will be a problem. I'm actually currently dealing with a sprinkler problem and am wondering whether the non-waterproof connectors that are on there are part of the problem. I believe you, @djlandkpl , commented on that thread about the corrosion possibly being a factor. Also, I think you're supposed to put the gravel at a 4" layer around the valves and then sit the box on top of the gravel to keep it from sinking into the mud or shifting around, aside from keeping things clean (not to mention the unwanted pests from seeing it as a nice moist environment to set up shop)
I once was trying to fix a station valve that would not open when the controller powered it. It took a long time to find out what the problem was. I finally found that it was because of corrosion in the connection. It's always a very good idea to have liquid-tight connections to prevent weird problems popping up.
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Old 02-25-2017, 11:12 PM   #39
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Re: Sprinkler System leak in connection


I just changed the T - Connection and raised it a little. The water is still running towards the connection but very slowly hardly visible now. Thanks everyone
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