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OT, Repair of captive air water storage tank?

T

Tractorcedric

Member
Location
Garland. Utah
We have our own water system and it uses Sta-rite tank made in WI. The owners manual shows a parts breakdown. The part # for the vinyl bag is U20-14. I typed that number in Google and Sears parts depot has them for $80. My question is has anyone had good luck replacing one of these or should I bite the bullet and buy a new tank? Thanks
 
When I worked in Sears service dept. we had a man who repaired well pumps, etc. He replaced several bags, but it was not as easy as it looks because of the size of the access hole. If your tank has much age on it, check the bolts on the cover plate for rust. If the bag has been ruptured for long, you may have rust beginning in the tank. The easiest way may be a new tank, for the peace of mind if nothing else.
 
Shade is right, just went thru this. Air bag was bad, pumped in air to build pressure back up to use it normally. Week later went to town, couple hours, came back & basement was flooded. $6000 damages to carpet, clothes & tools. Tank had 3 inch split in top shoulder (didn't split at weld but above right where it bends for the top) & sprayed up & out soaking nearly whole room. Pump kept pumping for who knows how long til I had to shut it off. The tank was old, rusted internally where can't be seen, & normal pump water pressure ruptured tank.
 
I would buy a new tank. When I had well water back in the early 1960's my tank was always getting water logged. Those air volume controls were a joke. I was talking to the manager of our local plumbing supply about the problem and he said I have a fix for that with a new storage tank that has a bladder. That fixed my water logging problems. When I told my late mother about that she said they were having the same problem and I installed one for them. Hal
 
I have replaced many large bladders in comerical tanks 250 to 1000 GAL. Not an easy job. on one that small would just replace. The time & trouble envoled would be greater than the cost.
 
Our first(1974) captive air tank came from sears, when I was hauling it home it tipped over in my truck and broke the valve stem off. The only way to change it was to pull the bag out. It wasn't a problem doing it, but the tank was brand new. I would take it apart and inspect it, if the metal tank is rusty I would buy a whole new tank. Most new tanks are not repairable and do not last very long, our current home had the tank fail at 4 1/2 on a 5 year warranty.
 
Do yourself a favor and quit messing around with that tank it is just a source of grief that gets worse with age. Get a Well-X-Trol tank they are made by Amtrol and are the choice of most well drillers. They are a steel tank with a plastic liner for the water and a rubber air bladder the water does not touch any metal in these tanks.

If you are in a big hurry you will probably have to go through a well driller to get one or they can be ordered online just do a google search to find a seller.
 
Our tank that just failed was a well-X-troll, lasted 4 1/2 years,(5 yr warranty) and there was another one next to it that had failed earlier. The contractor that used to do the work on this house never hauled away anything, just push it out of the way and install the new one. I removed a quite a bit of scrap after we bought it!
 
Those tanks are overpriced. The tank I installed with the bladder for my mom lasted 20 years and still didn't leak when she connected to town water and sewage. It was glass lined too and probably cost under $50.00 in 1963. Hal
 
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