Galv tank - Air Volume Control valve split?


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Old 12-09-11, 05:55 PM
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Galv tank - Air Volume Control valve split?

Got home to find that my deep well jet pump was running. Opened the basement door to find a river of water flowing from my tank to my sump. Turns out that the air volume control vavle split (?). There was a line of pinhole leaks running up the side. This thing doesn't look like its going to be easy to remove and replace. Is it replacable? Are they standard? Do I just go to HD and ask for a AVC?

Fun way to spend my Saturday during holiday season!
 
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Old 12-09-11, 07:36 PM
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They are easy to replace. It should just unscrew out of the side of the tank. Remove the line that runs up to it, it should be put on with a compression type fitting. Any well supply house should have it, or a suitable replacement for it.
 
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Old 12-10-11, 04:29 AM
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OK, so here are a couple of picture, First the system:


Next, a close up of the AVC:


Not anything like I've seen for sale on webpages... am I in trouble?
 
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Old 12-10-11, 05:22 AM
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Sears sells them. Go to their website and search for "Air Volume Control." When I did that, the third one looked like yours.
 
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Old 12-10-11, 05:23 AM
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I personally have never had any luck with air volume controls.
I just replaced mine with a bladder tank but removed the air volume set up years ago and installed a shrader valve instead.
Most of those galv tanks had a floating Styrofoam disk to reduce air absorbtion.
I only needed to "air up" the tank a couple of times a year.

Really though, this would be an excellent time to update to a bladder tank.
 
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Old 12-10-11, 12:39 PM
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So, it turns out it's a Jacuzzi Brothers AVC. The guy I spoke with said they were popular in the 60s, and that if I could find one it'd be pretty expensive and that I'd br better off putting that towards a tank with a bladder. So until I figure out what I'm going to do I put a schrader in the side of the tank, and plugged the connection on the pump.
 
 

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