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Duncanscience
Shallow well pumps problems

Hello, We have a spring on our property that is the water supply for our home and some of our farm animals. The spring gravity feeds into a pump house with a cistern, then the pump sends the water up to the house. Our problem is, occasionally, my husband will turn on the water to fill the animal tank and forget he has turned it on. Of course, the cistern gets too low and the pump ends up running without any water which damages the pump. Is there any kind of device we can attach to our new shallow well pump that will automatically shut if off when there is no water moving through it? Also, sediment is a problem with the pressure switch. It gets sediment stuck in it at the diaphram, I think, and won't send a signal for the pump to engage. Is there something that will take care of keeping the sediment out of the switch? Thanks!

johnjh2o
Re: Shallow well pumps problems

There is a pressure switch that will not allow the pump to run with low pressure. When pump stops pumping and the pressure drops it will cut the power to the pump, until you reset switch.

http://www.plumbersurplus.com/Prod/Square-D-Water-FSG2J24M4CP-Pump-Low-Pressure-Cutoff-Switch/212016/Cat/1446

John

JLMCDANIEL
Re: Shallow well pumps problems

Another possibility is to install a float switch in line with the pump. A float switch would not need a manual reset.

As for the sediment, you might want to install a cartridge filter in the line.

Jack

Sten
Re: Shallow well pumps problems

Yep what JL said, a float switch is probably the easiest surefire solution.

johnjh2o
Re: Shallow well pumps problems
Sten wrote:

Yep what JL said, a float switch is probably the easiest surefire solution.

Never gave that a thought. That would be a better solution. The pressure switch I referred to is used more for submersible pumps in wells with slow recovery.

John

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