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Ive got a shallow jet pump model sd510 it runs all the time and it pumps the water from our holding tank to sump pit it runs about 250-300 gallons through to the sump pit ive replaced the pressure switch and that still didnt do anything

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  • Joseph Lukas May 11, 2010

    What happens after 250 to 300 Gallons, does the pump stop running? What is the problem

  • mike kirschbaum
    mike kirschbaum May 11, 2010

    Sometimes a small piece of debris will get stuck in the venturi, and the pump will not pump very well. Look into the inlet of the pump; the venturi gets very small, goes all the way to the impeller.

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Just curious, why do yo9ur run water from a tank to a pit?

Where is the pressure switch located? At the pump I presume? What will increase the pressure? If you are pumping to an open pit, you will never build up any pressure? What is supposed to restrict the pump to create pressure?

You need a restriction to create pressure to turn off the pump. Is there a float valve like in your toilet in the pit? If not this would be required

Good Luck

Posted on Mar 19, 2009

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When H2O runs pump keeps cycling every 15 to 20 sec. H2O drops to 30psi and pump stays on until 60psi. Then a couple of seconds does again until H2O is shut off. Pump runs for around 30 seconds.


If you've got the water turned all the way on, it sounds like your setup is operating normal. If the pump where turning of and on say every 5 seconds or so I would say to check the air pressure in the water holding tank that it's at the correct pressure.

Mar 01, 2015 | Goulds Pumps Goulds J5S Jet Pump Shallow...

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Why does the pump lose pressure? there are no visible leaks, of water or air


for the pump to lose pressure there has to be a leak somewhere please check and make sure you have a one way valve on the bottom of your jet pump that will not allow the water to run back into the well

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Very low water pressure and excessive pump running


Clean electric switchcontacts with crocus cloth. Adjust higher cut in pressure on this switch.

Apr 12, 2014 | Wayne WATER SYSTEMS SWS50-12P 1/2 HP...

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Do I have to hook my tank to draw water from my well?


A bladder tank is designed to give a certain amount of gallons of "draw down" before the pump turns on. The pump will work with or without a bladder tank but will come on every time water is used. Well pumps (Jet or submersible) can run for extended periods of time without causing harm to the pump, but a pump that turns on and off constantly will eventually burn out because it is so hard on the pump.
Jet pumps need to keep "head pressure" to efficiently create the vacuum necessary to draw water from the drop pipe, this is partially what a well tank does.
RJ

Feb 12, 2011 | Flotec Corrosion Resistant Shallow Well...

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Hello, Our Flotec Shallow well Jet is installed in our basement a distance ( perhaps 50 feet or so from the well casing outside in the yard. The pump was installed as a replacement for a worn jet pump...


Hi, Tom, W/D here.
You shouldn't really need a check valve as the foot valve is in effect a check valve.
Next time that you are near the pump when it kicks on and you are using no water, let it achieve full pressure and kick off. Close the discharge valve, isolating the pump and suction line. Watch the pressure gauge. If the pressure falls, you either have a leak in the suction line, possibly a leak at the well head (sucking air), a leak in the casing riser pipe or bad foot valve.
If the pressure holds steady, open the discharge valve and note the pressure. If it falls immediately upon opening the valve, the leak would be on the house side if the pump. Look then for any sources of water usage (ice maker, drips in the tub, water from the pop-off valve at the water heater, etc.).
Best regards, and good luck.
If I can be of any further assistance, please post back.
--W/D--

Jan 22, 2011 | Flotec Corrosion Resistant Shallow Well...

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Flotec 42 gallon water tank - short cycling and changing water stream...do I need a new tank or could it be another problem?


These holding tanks are pre charged with air which in turn pressurizes the water. The tank has a bladder and an air valve on top. The pre charge ,over time, loses pressure, and the tank has to be pressurized again.
  • The well pump needs to be turned off.
  • The water has to be drained from the tank
  • Air is put into the tank from the air valve on top of the tank, and is measured with a tire air gauge.
  • The pre charge pressure is set to two psi below the pump cut in pressure.
  • In other words if your pump kicks on at 30 psi, the pre charge pressure is set at 28 psi. If the pump kicks in at 20 psi, the pre charge is set at 18psi, etc.
  • After you pressurize the tank, turn water back on.
  • If water comes out of air valve on top of tank, then the bladder is ruptured and you need a new tank.
  • Hope this helps!

Jul 06, 2009 | Flotec Corrosion Resistant Shallow Well...

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Pump 30/50lbs pumps up to 50 shuts off pressure drops to 32lbs


Look for a place in the pipe from the pump to the house where an air pocket could form. That will fool the pump.

Mar 29, 2009 | Flotec Corrosion Resistant Shallow Well...

1 Answer

Flotec Shallow Well Jet Pump won't pump water


The tank is an air tank, it works like a cushon and accumulator.

Have you reconnceted the pump? If not fill the pipe that goes to the well with water. It should not drain down, there should be a foot valve that prevents the water from running back into the well. So if the foot valve is working it should not take a lot of water to do this.

Pour water into the suction side of the pump until the pump is as full as you can get it, reconnect the pump and start it up. Yes it does need to be primed

Good luck

Mar 15, 2009 | Flotec Corrosion Resistant Shallow Well...

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