Question about Flotec Pump FP4032-10MK

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Not enough flow and pressure to run sprinkler system

I just installed a new FP4032 shallow well jet pump for my sprinkler system. I pump from a lake with water level about 10ft below pump inlet level. I have a sprinkler system with 4 heads per zone. The pump runs fine and provides water, just not enough flow and/or pressure to pop up the sprinkler heads, they just bubble water in the ground. What is the likely cause, or what should I be looking for to correct this. My old pump was a 1 horse jet pump set up as a deep well pump, for no particular reason and was more than adequate to this job. The Flotec doesn't seem to be doing as well for the same size pump, inlet hose, etc. All plumbed the same but doesn't work. Thanks for any help or guidance. Don

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  • Flotec Master
  • 42,120 Answers

Pressure in centrifugal pumps depends on the number of impellers in the pump housing, the clearance of the impellers to the housing and the power of the motor to drive the impeller/s
volume flow is also important as a pump without a high output will not produce pressure
check the jet size at the foot valve that is used to help lift water to the pump
It is a jet pump and will have a smaller line back to the foot valve for that purpose
next wil jet pumps if there is too much flow to the outlet , the pressure required to help lift the water to the pump is reduced and the volume is also reduced
you indicate 4 sprinkler heads per zone but how many zones are operating at one time
check the expected delivered volume for the new pump against delivered volume of the old pump as a starter to find the reason for the poor performance of the new pump
check also the rpms of each pump as that also has a bearing on volume produced

Posted on Mar 26, 2017

6 Suggested Answers

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Posted on Jan 02, 2017

  • 104 Answers

SOURCE: 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

Posted on Mar 17, 2009

Healeyman
  • 1198 Answers

SOURCE: shallow well pump made by wayne well is 22 feet deep pump runs no

Inspect the jet thru the suction pipe or the removable plug if the pipe isn't inline with the center of the impeller. The jet is very small, and easy to get something stuck in there. Then prime and leave the pressure pipe closest to the outlet slightly loose to let air out. Once you get good pressure you can tighten the pipe. Sometimes you have to prime more than once to get all the air out of the well pipe.

Posted on Apr 05, 2009

woobie dog
  • 1273 Answers

SOURCE: Pump stopped working while pumping

Yes, most motors are thermally protected. It is usually bi-metallic, and resets itself.
--W/D--

Posted on Aug 08, 2009

  • 523 Answers

SOURCE: I have a Flotec FP 4022-10 3/4 hp shallow well

If heating up, the motor thermal switch is opening to shut down the motor; this is by design. During the brief run time does it pump at all? It sounds as if there may be mechanical issues on the pump itself and the motor (from the extra draw) is heating up and shutting down. I'd look in to the pump to see if anything had failed within it.
I hope this may have helped,
Tom

Posted on Sep 25, 2009

  • 520 Answers

SOURCE: Flotec shallow well jet pump

got any more info?

Posted on Oct 03, 2010

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1 Answer

Why does my pump loose pressure


Sounds like your not using enough water, and or your pipes to sprinkler is to to small, causing pump to build up to cut off head. I cant lay my hands on a performance chart for your pump, but 60 psi cut off and 20 on sounds about right. Try running another tap when your sprinkler is running, and see if this keeps your pump running

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1 Answer

Not putting out enough pressure or flow to pop up sprinkler heads


Have you fixed this problem?
Q? Did you replace an existing pump. And what was the model and did it work.
Q? If its the same size as the fp4032, has anything else changed? Is there a filter that needs checking.
hydraulically to work it out I need the distance from pump to water, height and size of pipe. Distance you are pumping too, height and size of pipe. And what the "four heads are"? Nozzle size etc. To work out a flow/pressure rate.

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1 Answer

I have a utilitech jet pump can only set pressure to 20-40 would like to set to at least 30-50 but cannot .The pump is less than 6 months old .any ideas other than i bought the wrong brand


Sorry Richard,
Sounds like you are correct, you bought the wrong type of pump...if your looking for pressure/output you might consider purchasing a "sprinkler pump"...they will go past 70psi and more
Please take time to rate me
Bud

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Brand new Wel Bilt 1 HP shallow well pump, shuts off after running for 5 to 10 min !!! Help ! JGP12001CHT (Northern Industrial Shallow Well Pump. Installed to pump creek water for yard, runs at 30 PSI on...


It sounds to me like you have a defective thermal switch that is shutting power off as if motor is overheating.Unless you are exceding the head or flow ratings on the pump I would recommend you return it for replacement.Thank you.

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1 Answer

How do I know if my jet pump is going bad? It's at least 16 years old, and it can't handle the flow demand of a shower and a washing machine at the same time. It will drop pressure to the point where it...


I had similar problems it ended up being the shallow well it self. It did not have enough gallons per minute of flow to keep enough water flowing to allow pump to function properly. Some well drilling companies can clean out well or vanes to allow well to flow properly. Otherwise you will most likely need to drill a newer deeper well.

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1 Answer

I have a FP 4022-10...it is relatively new but will not generate enough pressure to actuate power cutoff, so the pump runs till I unplug it. I have verified that the line to the lake is clear (water...


If you can meet your needs with the pressure you have now, reduce the pressure cut off switch pressure until it shuts off. Your housing is probabbly sealed to the motor. Try shocking it with a rubber mallet to break the seal.

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1 Answer

I have 1 and 1/2 horsepower sprinkler pump that wont prime. As soon as the end piece fills, it will empty if I open the end to the sprinkler.


I don't know what is your system set up. However, the system set up should be the following;
1. Your 1-1/2HP sprinkler pump must be installed at
a fix location nearest the water source. (Complete
with power and plumbing lines.)
2. At the end of the suction line is a vertical check
valve with strainer.
3. The suction pipeline must be connected to the
suction port of the pump.
4. At the discharge port, a flow control valve tee must
be installed. The flow control valve tee top is
covered with a plug, which serves as the priming
port when opened.
5. After the flow control valve, connect a short nipple
so that you can put a gate valve to stop the water
flow or allow the water to flow. You may connect
a pressure tank at this point or you may connect
the pressure hose going to the sprinkler.
6. To prime the pump, open the plug at the flow
control top. Fill it full with water, replace the
priming port plug.
7. Turn the flow control valve to full closed position.
8. From full close position, switch the power on.
9. The pump now run on and off due the pressure
switch setting. Slowly open the flow control valve
such that the water pressure remains steady.
10. Take note of the pressure.
11. Shut the power off, and connect the sprinkler
pump hose.
12. Put the power back on, and allow the pump to
run with the sprinkler.

Under this set up, you can run the sprinklers when your pump is running. Hope this will solve problem.

Dec 08, 2009 | Plumbing

1 Answer

I have a 1/2 hp pump which I use to pump lake water to my irrigation system. The pump takes too long to turn on when the spicket is opened and sometimes too long to shut off when the water spicket is...


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