Question about Flotec Corrosion Resistant Shallow Well Jet Pump 1/2HP, 8GPM

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Hubby installed new pump and it shortcycled for awhile then, no psi... not even sure about the condition of the pressure tank ... when water does come it works for a short time and then trickles and stops with the pump still running. he put in a new pressure switch... we have to flip the breaker off to get the motor to stop... but today the water isn't coming on at all.... is there a schematic available?

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Did he install a self-priming pump, sometimes the will not prime or this one is stopped up from dirt. also is it submersed in the water or above water level. if it is submersed and is not meant to be, it's probably toast and you need to replace it with a submersible type pump that is also self priming. To find the schematic for your system go to your manufacturer, I'm now assuming that this is a recreation type situation, trailer, motorhome. There at the dealer the parta department should be able to help you. Hope I helped.

Posted on Oct 06, 2010

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2 Answers

What causes my booster pump to increase pressure even after I shut power and or water supply off?


something wrong here. your incoming pressure is 4 psi ( tank pressure to the pump and you use a pump to boost pressure to a maximum of 65 psi at which point the pump is shut off ( all taps close off)
yet with no pumps running the pressure goes up to 100 psi
Find where you are getting pressure in that is making the pump leak
if you have 100 psi to the pump when it is turned off, then it would not be turning on ( power on) as the shut off pressure is set at 65 psi and the line pressure is 100 psi

Sep 27, 2016 | Grundfos MQ3-45 1 HP Pressure Booster...

1 Answer

New Goulds 1/2hp water pump w/Square D switch goes on by itself for ten sec. Then off for 5 sec and on for 2sec. 2 minutes later it does it again.Adjuster nuts do nothing to stop it going on again...?


if you are using a pressure tank, that condition is said to be a water lag. Try to drain your pressure tanks using the following steps,
1. remove the drain plug of your pressure tank. (in most cases it is located at the tank bottom just be aware that there might be a pressure still on the water inside your tank so just remove it slowly).
2. remove the pressure gauge using a suitable open wrench.(this is to remove any standing water inside your pressure tank.Same principle as the 2 holes on a can of milk)
3. after all the water has been drained reinstall your drain plug and your pressure gauge.
4 put a water priming on the pump if necessary before starting your motor again.
The condition above is condition 1, if in case you are using a pressure tank.

We will now discuss condition 2 wherein there is no pressure tank installed on your water system.
Your motor can easily run because there is no enough water to use inside you pipeline since there is no pressure tank on your system. In this case, try to install a pressure tank so there will be enough water pressure build up on your tank before using the water on any water faucet.
Also try to check for water leakage along your water pipeline since frequent motor running when not in use of any water faucet means that the water is wasted on some parts of your pipeline.
Good luck and I hope I've enlightened you.

Nov 14, 2015 | Plumbing

1 Answer

Pump will not build enough pressure to shut off. New Bladder Tank set at 38 PSI. New switch set to cut on at 40-42 Psi. New Foot Valve, New Tank, New Pump. Blew line to well water a few days ago. Pump


check the water level in the well as it may be too deep for the pump to lift the water and maintain the pressure. Are you using a straight pump or an injection pump that helps lift the water to the pump. remember that centrifugal pumps only supply a vacuum in the suction line and atmospheric pressure on the water does the rest. when the weight of the water is equal to the pressure of the air the pump will not lift any more

Oct 05, 2014 | Goulds Pumps Goulds gt10 1 1 Phase...

1 Answer

Working pressure


Putting 60 lbs. of pressure in the pressure tank is not the answer.

First determine that the pump is working correctly, Open the drain valve and see if you get a good flow of water. If you do then OK, the pump is working. If you are not getting a good water flow from the drain valve, then the pump is not operating correctly - maybe a bad foot valve. Next open the drain valve and watch the water pressure gauge, and note at what pressure the pump kicks on ( that's the cut-in pressure), and when it kicks off ( that's the cut-out pressure). Most pumps are set to operate at 20-40 psi, or 30-50 psi. The cut-in and cut-out pressure is set by the water pressure switch.The pressure in the water tank has to be set 2 psi BELOW the cut-in pressure of the pump. That is, if the pump has a 20-40 psi differential, then the tank has to be pre-charged to 18 psi.

To pre- charge the pressure tank , the pump has to be shut off. The Tank needs to be emptied (drained ) of water. The air pressure is then set to 2 psi BELOW the cut-in pressure. If water escapes from the air valve, the bladder in the tank is ruptured, and a new tank needs to be installed.

So, first make sure the pump is working.
I WOULD RELIEVE MOST OF THE PRESSURE IN THE PRESSURE TANK TO ABOUT 20 PSI BEFORE CHECKING THE PUMP, AND PRCEEDING WITH THE PRE-CHARGE OF THE TANK.

May 24, 2014 | Plumbing

1 Answer

I have a new 1 hp utiltech pump and a new. Precharged tank with 34 psi in it now. When i prime the pump the pressure goes right to 25 psi and i can hear some water moving . When i open the shut off valve...


The 34 psi of the pressure tank sounds high, but it depends on what the cut-in pressure is set at in the pump pressure switch. Typically the pressure switch is for 20-40 psi or 30-50 psi. To establish what the pre-charge of tank should be , you need to establish what the pressure switch setting are (i.e 20 - 40 psi , etc.) Run the water and watch the pressure gauge and note at what pressure the pump comes on. The pressure tank needs to be pre charged 2 -4 psi below that cut-in pressure. So if the cut-in pressure is say 30 psi, then the tank needs to be pre charged to 28 psi.
To pre charge the pressure tank, turn the pump off. Drain the pressure tank of water to relieve all pressure in the tank. Then check the pressure of the tank at the air valve. Set the pressure to 2 psi below what the cut-in pressure is.
If you adjust the pressure switch, say from 20-40 to 30-50, you will need to go through the procedure of re adjusting the pressure in the tank. I hope this helps....

May 21, 2014 | Plumbing

1 Answer

Problem with pump?


The pump pressure switch should be checked to see what the ON-OFF pressure is set at. Typically the pressure switch is set for 20-40 psi, or 30-50 psi. The pressure tank should be purged as well. With the pump OFF, and the tank drained of water, the air valve on the tank should read approximately 2 psi below the "on pressure". So if the system operates at 20-40, the tank should be pre-charged to 18 psi. If water escapes from the air valve, the internal bladder in the tank is ruptured, and the tank needs to be replaced. A tire air gauge is used to measure the pressure in the tank after the water is emptied from the tank.. A tire air pump or a compressor is used to charge the tank. if a compressor is used, be careful not to over-inflate the tank, as this may cuase the bladder to rupture.

Apr 14, 2014 | Utilitech Plumbing

1 Answer

My sand point well the water stops and starts again


You probably need to purge the pressure tank.
Well Pressure Tank Installation Instructions

Pressure tanks lose their Pre Charge pressure and have to be serviced. The well Pump needs to OFF. The Pressure tank needs to be emptied of water. There should be an air valve on the tank. Check the pressure .If this is a Bladder tank and Water comes out of the air valve- then the bladder is broken and the tank needs to be replaced. The Pre Charge pressure is set to 2 psi Below the cut-in pressure set by the pressure switch. If your system operates at 20-40 psi, The Pre Charge pressure will be 18 psi. Hope this helps.....

Mar 18, 2014 | Bur-Cam Pumps 750896 Water Shallow Well...

1 Answer

Problem with Convertible Jet Pump 3/4HP RedLion - drawing water 300' from lake to cabin - when the pump is on it holds 50# pressure by itself but when tap is turned on the pressure drops to 30# then you...


If I understand you correctly this is what you have:

- A pump that draws water from a lake 300 feet from lake to your cabin (I assume the pump is at the cabin)

- The pump kicks on to maintain pressure in a tank that distributes water to faucets in the cabin. The pump only turns on to pressurize the tank when water is being used (I am assuming).

- When you turn on tap, pressure in the pressure tank drops to 30 psi, then you hear water sucking from the tank to tap and flow stops at tap. Then the pump finally kicks back on and pressures tank to 23 psi.

- The pump is not used regularly.

If water flow stops when the pressure tank is reading 25 psi, then likely the real pressure is 0 psi and pressure gauge is reading wrong. If this gauge is tied into a switch that starts and stops the pump, then this is probably your problem. You may have partial blockage in your pressure gauge/switch that is causing gauge to move too slowly to keep up with the actual pressure changes when water is being used. Ore the pressure gauge/switch may be broken. Pressure gauges are notorious for reading pressure when there is none. If you can unplug the pump and disconnect the pressure gauge/switch and check for blockage in the ports you should start there. You mentioned that this worked good for the last two summers, if if sits unused for long periods, it could promote bio-growth, rust and/or sediment in the connection to the pressure gauge. If you find blockage, remove it and flush it out. Reinstall the pressure gauge/switch and try it again.

One other possibility is clogged strainer(s) / filter(s) in the water lines. It would not hurt to pull and check/clean any strainers / filters in the system including before the pump. I would even check at the lake for a strainer where the water enters the suction line to the cabin.


I would not assume that the pump is the problem yet.

Hope this helps.


May 01, 2010 | Plumbing

3 Answers

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...

1 Answer

Pump spinning but not getting up to speed then shuts off


You have a pressurized system using a pressure tank.This is a case of an air logged pressure tank. Meaning there is more air than water in the pressure tank. The pressure tank must hold 2/3 water and 1/3 air of its total volume. Installed at the tank is the air volume control to take care of this proportion. Should the air volume control malfunction or becomes defective, the air-water ratio is affected. And then,
the pressure tank becomes either air logged or water
logged.
SOLUTION:
1. Shut the power off, and open the discharge line
gate valve to flush the water in the pipe lines.
2. Open the drain plug of the pressure tank to empty
all the water at the pressure tank.
3. Close the drain plug, and put the power on.
4. Start the pump, and set the flow control valve 1/4
open.
5. The pump will normally run.

Send your e-mail for us to know the results, and for
further assistance.


Jul 04, 2009 | Plumbing

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