Shallow well pump - HELP !

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Old 08-09-05, 09:32 AM
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Shallow well pump - HELP !

I just put in a new 1/2 hp shallow well pump. The pump kicks on & off & back on quickly before running. It seems as though the pressure is dropping steadly to about 30lbs then very quickly drops to 20lb & the pump kicks on. The pressure jumps back to 40 & the pump shuts off then quickly back to 20 & back on where it runs fine. Anyone have any ideas on why it would do this ?
 
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Old 08-09-05, 02:15 PM
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What kind of tank do you have?

bob...
 
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Old 08-09-05, 06:09 PM
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Your pressure tank is water logged. The type of tank you have will determine the solution. You may need to replace the tank.
 
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Old 08-10-05, 06:23 AM
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I have a WellSaver 20 Gallon Vertical Pressure Tank. I just installed that the same time I replaced the pump.
 
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Old 08-10-05, 07:14 AM
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Since I have never heard of a well saver tank. Is it a bladder tank or a galvanized pneumatic tank? Or does it have more than one plumbing fitting on it? And does it have a little schrader valve that you can add air to?

If it's a bladder tank, you may have the pressure in the tank set too high and sometimes the bladder will be stuck to the bottom of the tank. Although I think all the manufacturers have gotten past that problem.

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Old 08-10-05, 07:42 AM
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Sorry about that. It's a bladder tank. It only has one plumbing fitting. It does have a valve to add air. It came pre-pressurized. I belive at 38psi.
 
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Old 08-10-05, 07:49 AM
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Ok, that explains it. YOu have too much air in the tank for your switch setting. If you have a 20/40 switch, you need to turn off the pump, open a faucet until the water stops flowing. Let the air pressure in the tank down to 18 lbs. Turn the pump back on. Now it will function properly.

bob...
 
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