Question about Flotec Pump FP4032-10MK

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

I have a multizone sprinkler system with 4 heads per zone. I pump from a lake with water level about 10 to 15 ft below the pump inlet. I just got a new shallow well FP4032 and plumbed it in and it pumps water just fine, just not enough at any pressure to pop up the sprinklers. They just bubble water in the ground. Is there a way to increase the pressure and/or flow to correct this problem? Or do I need a different pump, like a sprinkler pump. I do not have a pressure gauge on the line, so I am not sure what pressure it is putting out. Thanks, Don

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  • Contributor
  • 11 Answers

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.

Posted on Jun 11, 2013

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  • 2 Answers

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Posted on Jan 02, 2017

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

  • 1 Answer

SOURCE: Watering system pump cycling off and on rapidly. .

Still need help. No responses!

Posted on Jun 30, 2009

2coolrick
  • 560 Answers

SOURCE: I have a FP 4022-10...it is relatively new but

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.

Posted on Jun 03, 2010

packrat1948
  • 528 Answers

SOURCE: I have a flotec 1

I am going to take a stab at this it sounds like the bladder has gone bad it the expantion tank. Try letting some air out of the bladder tank and see if you get any water if you do then the bladder has gone bad the tank will need replaced. After the replacement turn the limit switch back to normal settings. You can also tap on the tank to see if it is full of water.

Posted on Feb 09, 2011

  • 520 Answers

SOURCE: Just completed installation of new

i believe you have it wired wrong, i dont have enough info here to tell you what you did wrong. look at your instructions again and double check everything. you may have damaged the pump motor. basic wire hook up is black to black and white to white and green to a ground. black is your hot (load)
white is your neutral. thats about all i can tell you from the info you gave

Posted on Feb 21, 2011

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1 Answer

Have a system 7 heads 5 feeding off trunk line two off of two tee lines. the system is feed by 3/4 pipe,it worked fine for 1 year know it won't always pop the heads.


Either the pressure has gone down due to a leak or the heads have gotten dirty inside and need to be cleaned out so they again pop out fully.

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Can you use a draper submersible pump for a garden irrigation system to use with several sprinklers, does it provide enough water pressure on the outlet?


Here's how to tell.
Connect a tee to the outlet of the pump.
Install a pressure gauge in the tee.
Install a valve after the gauge.
Open the valve and start the pump.
Once water flows, close the valve slowly until you get 50 psi on the gauge.
Have a 5 gallon bucket nearby and measure how long it takes to fill the bucket at 50 psi.
If it fills the bucket in 30 seconds, you can attach heads to the pump that combined consume 10 gallons per minute.
Let me know how you do.
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1 Answer

I have low water pressure on my rainbird sprinkler system. how can i adjust it?


There are several ways to adjust water pressure on sprinkler systems. First you have to determine if there is a problem with the sprinkler system itself. Things to look for:
1.) make sure that all valves including the main are all the way open.
2.) Inspect the sprinkler heads for clogging. Sediment and debris can also clog your sprinkler heads. Some debris removal may be required.
3.) You make have too many sprinklers operating by one valve. You may need to divide a zone and add another valve to increase water pressure.
4.) If all else fails. You can install a breather intake cap to allow air into your sprinkler system thus increasing GPM (gallon per minute)flow.
5.) one of the biggest mistakes that peopel make is that they undersize the water pipe size to save money. Typically you want to use 3/4" PVC pipe for your main runs and tee into 1/2" PVC for your sprinkler heads.
Good luck. I hope this helps.

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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.

Jun 03, 2010 | Flotec Corrosion Resistant Shallow Well...

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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.

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1 Answer

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Make sure when you pull the head to ck the screen you turn the system on and blow out the line, then run a hose through the head to make sure it isn't plugged up anyway. Depending on the head and the cost of a new one will dictate cleaning or replacement.

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