replacing check valve on submersable pump???

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jaybob

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• May 6, 2011

• #1

My pump is about 280 feet deep and is cycling about every 7 minutes. I think it has been doing this for some time but I just moved it to a well house from a tight crawl space under house so I can diagnose better. I installed a new pressure tank and switch hoping it would help, it did need the tank as there was water on both sides of bladder. If I close the valve I installed before the tank it holds pressure. Does this sound like it is a check valve on the pump? Jay

 

DonL

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• May 6, 2011

• #2

Hello Jay, Welcome to Terry's Forum.

Yes it does, or maybe a leak in the pipe feeding the top side, tank.

Good Luck on Your project.

Have a great day.

DonL

 

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jaybob

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• May 6, 2011

• #3

Thanks DonL. Thats what I was afraid of, dont really know how to pull up nearly 300 feet of pipe and pump but I have to figure it out. Hey is the check valve attached to the pump or internal to the pump? Thanks Jay

 

Cacher_Chick

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• May 6, 2011

• #4

Most pumps come with an internal check valve, but it is common to add a more reliable brass/bronze one just above the pump. Your drop pipe in the well could be leaking, which causes similar symptoms.

 

DonL

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• May 6, 2011

• #5

Jay, You might want to wait for a pro on wells to come along for that answer. Depends on the well installer.

They put them up on top side, and also a foot valve could be used at the bottom of the well.

Or attached near the pump. You could put one on the top side, I do believe.

Sounds like a job , but you can DIY.

DonL

 

Last edited: May 6, 2011

Cacher_Chick

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• May 6, 2011

• #6

I do a lot of things that the average DIY'er would not attempt, but I would not try pulling a 300' deep well pump.

All it takes it one mistake and you could end up needing a new well.

Once in a while, it makes a lot of sense to pay a professional for such specialized services.

 

Ballvalve

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• May 8, 2011

• #7

to stop the leak temporarily, install a check valve before the shut off valve.

If the pump is on Poly pipe, pulling it is rather easy. On steel, you better get a well guy, and unless you are a great DIY'r, let him put it back in - ON POLY PIPE!

 

Masterpumpman

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• May 8, 2011

• #8

A 300' well pump is best done by a professional! It can be done by a DIY but one mistake could cost you thousands. A temporary check valve near the tank is a bandaid for the real problem. You can add a check valve just above the pump but if you do I'd recommend removing the guts from the pump check valve.