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 Well, pump, tank, water quality, plmbg & electric
 Pumps in general
 Air pocket in discharge pipe
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ark61
New Member

az
3 Posts

Posted - May 17 2008 :  02:20:22 AM  Show Profile  Visit ark61's Homepage Send ark61 a Private Message  Reply with Quote
Hello, I recently had a situation where my submersible pump quit pumping after less than 2 years following the installation. It's a vacation home that only gets used one weekend a month, so I don't have much run time on the system. The original installer came out and pulled the pump ( 2 HP, 10 gpm Flint and Walling almost 500' down, galvanized pipe). As they pulled it up they found that some of the pipe had no water in it. Turns out there were a couple of BB sized holes on the thread of a couple of the pipes, resulting in air pockets in the discharge pipe. There were 3 check valves installed, it was emptying out below one or more of them. Also, some of the couplings were loose. Once they had the pump up and test ran it, they could only get it to pump intermittently. They said the pump was bad, motor was good. My question is this: is it possible the air pockets in the discharge pipe damaged the pump? Also, does anyone have experience with galvanized pipe marked "Thailand"?. That's what I've got, is it inferior to U.S. made pipe?
Thanks, Al

speedbump
Admin



Riverview
Florida
11192 Posts

Posted - May 17 2008 :  09:09:50 AM  Show Profile  Visit speedbump's Homepage Send speedbump a Private Message  Reply with Quote
Three years is very quick for electrolysis to attack pipe in a well. I am not familiar with pipe from across the pond, but I would have to think it's cheaper made than US pipe. That is to say, if we still make pipe or anything else here.

The loose couplings tells me your installer is either inexperienced or lazy. Three Check Valves is definitely a no no. The one in the pump is all that is needed.

I assume all of this is out of warranty, but since this is a cabin and used very seldom, I would be looking for another Company.

bob...

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