Bladder Tank Empties Every Four Hours

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Old 04-24-12, 08:10 PM
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Bladder Tank Empties Every Four Hours

I have a well and it is connected to the sprinkler system and when the controls are off, the bladder tank empties in about 4 hours. I know it is not the well check valve because I had the valve replaced recently. But, being cautious and wanting to know where the water was escaping, I put another check valve in the line just prior line outside and beneath the ground where it goes into the tank. Therefore, I know that the water is not running back into the well, it drains somewhere else. I cannot find any wet spots in the lawn and no leaks are noted in the supply line. However, I have to mention that the well pump came up with a bit of sand and the guy that hooked up the well to the irrigation system said it wasn't enough to matter.
I installed a 60 mico filter regardless and it catches a some sand and I am wondering if I was too late in installing the filter and there is sand particles in the control valve? I dug and dug today and cleaned off the control valve and wonder if it's worth the labor to put a new kit in the valve-could that be the problem?
 
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Old 04-24-12, 08:38 PM
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If there is a valve after the tank and pump shut it off. Then see if you lose pressure. If you don't lose pressure with the valve off then you know its on the irrigation side and not the well side.

Mike NJ
 
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Old 04-25-12, 05:41 AM
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Yes there is a ball valve and I shut it off and the tank holds pressure but as I said, if the valve is open-the tank loses pressure (all the water) in around 3-4 hours. I can't figure out where it is going, I've dug up the lines-especially the joints and found two drip leaks and put teflon tape on the and they don't leak now but there is a loss of water and associated tank pressure.
I guess I'll go to Lowes and spring for a repair kit for the control valve....
 
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Old 04-25-12, 03:36 PM
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I put a new control valve in today and still the tank loses pressure/water. I did find where the water was going, it is in a low area of the yard coming from a sprinkler head-any further suggestions? I have one more control valve that I could replace...
 
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Old 04-27-12, 08:30 AM
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Bad solenoid valves (what you are calling a control valve) are common. It's just a flimsy piece of rubber inside and rubber goes bad. Sometimes sand gets in there and keeps them from closing properly. Easier to rebuild them than to replace them, so I try that first.
 
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Old 04-27-12, 09:05 AM
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Boy, you ain't wrong, it took me around 6 hours to replace the valve. I don't want to do it again.
 
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