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Old 07-15-2011, 02:26 AM   #1
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Help with replacing well pump


My pump started humming today, no water. It cuts on, hums then cuts off which made the casing hot so I unplugged it. I am picking up a new (same kind, sears 3/4 hp shallow well jet pump) tomorrow. I have never installed one. My set up is a pump about 300' down that pumps water into a huge holding tank then to the pump I am replacing (which pumps the water & air to the pressure tank) then to a pressure tank then to the house. When (and if) I get the pump off, am I suppose to let the pressure out of the pressure tank before I take the pump off? What kind of thread sealer do I use when I reinstall? The only well service I found wanted $375.00 to install a $300.00 pump that has 2 pipes on it. Thanks in advance for any help with this, it is appreciated.

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Old 07-15-2011, 10:23 AM   #2
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Help with replacing well pump


Your holding tank have water in it?

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Old 07-15-2011, 12:58 PM   #3
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Help with replacing well pump


Yes the tank is full the other pump is working
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Old 07-15-2011, 01:35 PM   #4
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Help with replacing well pump


How is 300 feet down a "shallow" well? In any case, what you want to do is borderline not a DIY project. I helped a friend do it once - it is hard, messy work. The more pipe you pull out, the slimier it gets. And you've got to have plenty of room to lay out all the pipe. For sure I'm never doing it again.
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Old 07-15-2011, 02:19 PM   #5
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Help with replacing well pump


The pump that's out is above ground, in the well house. The underground pump is fine it fills the holding tank. I am just replacing the pump between holding tank & pressure tank. It only has 2 pipes on it 1 in & 1 out. I know I need to use some kind of thread sealer on the pipes when I put the pump on. It looks easy as long as I can get the "out" pipe off, its threaded inside the pump, nothing to grab onto.
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Old 07-15-2011, 10:21 PM   #6
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Help with replacing well pump


Quote:
Originally Posted by md2lgyk View Post
How is 300 feet down a "shallow" well? In any case, what you want to do is borderline not a DIY project. I helped a friend do it once - it is hard, messy work. The more pipe you pull out, the slimier it gets. And you've got to have plenty of room to lay out all the pipe. For sure I'm never doing it again.
He said it's a shallow well jet pump. Read the whole post before responding plz, and thanks in advance.
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Old 07-15-2011, 10:24 PM   #7
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Help with replacing well pump


What's the elevation and distance from the holding tank to the house?

Most setups like this I have seen you do not need a 3/4 horse jet pump.

The first question I would ask myself is why did the pump burn up in the first place? I don't want to put in a 300 dollar pump to find there's a problem with something else in the system that has caused it to burn up.

Look for something that would cause the pump to run continuously. Bad pressure switch, perhaps a break in the line? Maybe you've got a filter on the suction line that's plugged up? What's the age of the pump? Has it just reached it's end of life?

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