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

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Watering system pump cycling off and on rapidly. .

We have a pump drawing water directly from a lake. Do I need a tank in order for the system to work properly? Adjusting the pressure switch has not solved the problem. Thanks

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Posted on Jun 30, 2009

  • BillNJ Oct 08, 2010

    If you are going to use a pressure switch you need a tank. If you want operate the pump manually, without a tank, you have to bypass the switch.

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Posted on Jan 02, 2017

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2 Answers

Utilitech 1 hp lawn pump runs for awhile, then shuts down. After a few minutes, the process repeats. It's pumping water from a lake, but must be overheating. Is it fixable? How do I fix it?


when pumping from a lake you will be pumping uphill
centrifugal pumps are susceptible to over loading because operators do not realize that water has mass and weighs a lot and the pump has to things to contend with
first lifting the water from the lake ( lift height)
the volume of water in the suction pipe will load the motor
now that it successfully lifts that water mas up it now has to push it up hill to a receiving tank of some sort
now distance to that tank ( friction in the pipe ) and height up to the tank inlet ( head pressure and it is measured as the height the discharge pipe is above the pump level --not ground level) have to be considered
unless you are a hydraulic engineer or have the equipment installed by irrigation experts all of this information will be foreign to you and that will result in too small a pump and yes it will overheat and in cases the water in the pump will boil as energy from the impeller of the pump has to go somewhere if the water is not moving
what I am suggesting here is to get pump experts involved to design a proper system with sufficient hp motor and pump volume to do the job

Oct 28, 2016 | HP Plumbing

Tip

Well Pump Problems The Water Well Tank


2811e7c.jpgOne of the common problems with having a well for you water supply is that you have the maintenance of the water pump and the related things that are necessary to make that all work. One of the most important parts of that system is the water well tank or the water pump tank. This tank is what keeps the well pump from having to turn on and off every time you draw a few drops of water.

In the past the tanks were made with an air valve that injected just a bit of air into the tank every time the pump started. This helped to keep some air in the tank and also gave the annoying problem of air coming out of the faucet at times. To make this better well water pump tanks are now made with a diaphragm that separates the air from the water.
This keeps the water cushion trapped inside the tank. That is great and makes the well tank virtually maintenance free as long as there are not holes in the rubber bladder that separates the water and the air.

There are some easy ways to tell if your well pump tank is not working the way that is should work. And also here are some things that you can do to maximize the capacity of the tank.
  1. Drain all the water pressure out of your system. Then check the air pressure in your tank and adjust it to 2 PSI below the cut in pressure of your pump.
  2. Make sure that your pressure switch is giving you 20 PSI differential between the cut in and the cut out of your pump.
  3. Make sure that your tank is big enough to give you at least 2 minutes run time when your pump starts till it stops.

Now for pressure tank not working
  1. The pump starts and stops rapidly while you are drawing water. This means the bladder has failed in the tank and you have no air in the pressure tank. Replace your pressure tank.
  2. You get a slight hesitation as you are drawing water before the pump. This means that you have too much air in the tank and you need to release some air or increase the cut in pressure on the pressure switch.
  3. If in the summer time you see condensation more than halfway up the side of the tank then you have a bad tank. The tank should never be more than about half full of water. Replace the well pressure tank.

One note to consider. If you are not drawing water and your pressure drops rapidly when the well pump shuts off then it is NOT a pressure tank problem, it is a problem with the check valve in the pump.

This should give you a basic trouble shooting guide to your well water tank or water pressure pump tank.

http://www.fixya.com/support/r3689163-water_problems_pump_problems

http://www.fixya.com/support/r3690937-pump_problems_pressure_switch

http://www.fixya.com/support/r3691134-pressure_switch_adjustment_water

http://www.fixya.com/support/r3695577-jet_pump_jet_water_pump

on Dec 22, 2009 | Plumbing

1 Answer

How do I tell if my bladder is leaking or broken? The pump does not cycle.


If water comes out of the air input valve when you push on it, your bladder is probably broken. A heavy tank is another clue, along with the pump cycling on at the least draw of water and rapidly shutting off when flow is stopped.

Aug 15, 2015 | WellMate WM6 Captive Air Well Tank

2 Answers

How does a home well water system work?


Deep well.
Pressure valve located on front of above-ground-storage-tank will turn pump on-off depending on amount of water pressure inside tank.
When water is consumed inside home, the pressure valve responds to the lower pressure and closes electrical contacts... sending electricity to water well pump located deep underground.
The pump turns on and lifts water through a pipe into the above ground storage tank.
When the tank is full of water, the pressure valve senses the higher pressure and turns off electricity going to pump
Pump shuts off.
There is a one-way check valve on the water line going down to pump, and this keeps water from flowing back down into well.
The above ground tank maintains water pressure for the house.
When pressure is reduced by taking a shower, the pressure valve turns pump on again, and cycle repeats.

Aug 20, 2014 | Water Heaters

1 Answer

NO COLD WATER


"Solenoid". No, you probably don't need one. You shouldn't even HAVE one.

I suspect strongly that you need to prime the new pump. There should be a priming plug on the top of the pump. Remove the plug and pour water into it. Replace the plug quickly and turn on the pump immediately.

You may need to do this several times before the pump starts drawing water. You can hear the change in pump sound when it starts moving water.

It does help, while you're priming, to close any valve you find between the pump and the pressure tank. As soon as the pump draws water, slightly open that valve or the pump will cycle on & off very rapidly. When the pressure tank is pretty full of water (you're getting fairly significant pressure on the gauge), open that valve fully.

I always liked to have a globe valve on top of the pump with a bell reducer and cap above that for priming purposes. The globe valve permits VERY fast pump repriming, and the bell reducer acts like a funnel, making it easy to pour water in. With the globe valve closed (normal operation), the cap doesn't even have to be tight - I need no tools to prime my pump that way.

Jul 28, 2014 | Washing Machines

1 Answer

I had a new hi-eff. furnace and A/C system installed three years ago. The furnace humidifier drains into a little giant condensation pump. I just noticed that the pump cycles on and off very rapidly when...


Depens on what type of humidifier you have there are tank type like lobb or water over waterover will make the pump run every time the lobb wont it has a tank with water going up in price lobb wa2 is better

Feb 27, 2011 | Little Giant Condensation Removal Pump...

1 Answer

I have a lake house with irrigation system drawing water from the lake. The pump works. But there is a second primer pump that I do not know how to turn it on or how it supposed to work.


I used to take care of a system like that in the basement of a ten story college dorm. There was a big pump and a little pump. The purpose of the little pump is to maintain pressure when there is no usage of water. Then when a big demand comes, the big pump kicks in. I had problems with the
big pump getting hot, because the controls didn't work right. I unhooked all the controls and strapped a heat sensing aquastat box to the discharge pipe. When the water got hot, this state
would open a tiny little solinoid valve and dump enough water down the floor drain to keep the
pump cool.

Nov 04, 2010 | Plumbing

1 Answer

Pump cycles like crazy!!


Sometimes a new tank the blatter will be kinda sealed to the sides of the tank.the amount of air in the tank s/b equal to the cut in pressure of the pressure switch.(40 lb) that would be (60 lb) cut out if you messed with the little screw on the pressure switch you have a problem.there must be the 20 psi of differance between start and stop.

May 13, 2010 | Flotec Corrosion Resistant Shallow Well...

2 Answers

New 1/2 hp jet pump with tank not working


Your hose size is to small. Use a 2in black plastic line out to the lake. Inspect your foot valve, and
take your pump apart to see if you may have a pebble stuck in it, and remove the inner workings
and clean. Contaminates build up inside and need to be flushed out. Remember to replace the
gasket. Tighten all your hose clamps. Once your ready to start, spray shaving cream on your
fittings to see if your sucking air. I've been through it all and my pump works fine.

Chuck

May 03, 2009 | Plumbing

1 Answer

Not running properly,inconsistant ,revs up and down,and no range.


Could be the fuel - especially if it's been stored for awhile. LOTS of problems with Ethanol now, especially if you have a vented gas tank. The ethanol actually draws water (humidity) through the vent and into the tank... then the water and the ethanol settle to the bottom of the tank with the gas on top. Of course, your fuel pump draws fuel from the bottom of the tank. I use StarTron Enzyme Fuel Treatment, which seems to help.

Mar 27, 2009 | Boating

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