Question about Utilitech 3/4-HP 15 GPM Shallow Well Jet Pump 3/4-JET

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3/4 HP shallow jet pump,runs and won't shut off,and will not pump,water through it..what's wrong??.

I have a 3000 gallon water tank outside filled up.,and it is hosed underground into the basement.from there it is connected to,the pump..all was fine and well,until this afternoon..the pump keeps running,and no water is being pumped.,but with the pump off I have good pressure..it runs throughout the Ouse..,but my up p isn't pumping it anymore,I don't know why..it is the Impeller..gone bad??...Thaks."

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Posted on Jan 02, 2017

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  • 512 Answers

SOURCE: I have a Utilitech 1hp shallow well jet pump which turns off and on rapidly while using water. I have 25 psi in the air tank. I replaced the pressure switch and still have problems.

Good you got it working. Please post again if you have more trouble on this or another item. Also be sure and check what I mentioned just in case you are operating at the margins, don't want a failure right after you got it going!

Posted on Sep 16, 2012

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hunter19_46m
  • 7482 Answers

SOURCE: I have a utilitech convertable pump. It is used as a shallow well pump at the moment. It worked fine untill last week, the hot water tank went bad and we replaced the tank and all the above ground li

Hi mid_age_elf
Your problem is that your "water bound"...
Your water tank must have a cushion of air for the pressure switch to work properly.
Turn off your pump and drain about 1/3 of the water from your tank.
Once you have an "air cushion" the pump and switch will work properly.
You can also add air pressure using an air compressor and an air valve installed on the top of your water tank or maybe on the side or bottom of the tank.
You would put air into the tank until about 1/3 of the water is gone replaced with the air.
Once that is complete your problem will be solved.
Please take time to rate me
Bud

Posted on Oct 25, 2012

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1 Answer

I have a 36 gallon utilitech water tank hooked to a 1/2hp shallow well jet pump my pump runs constantly and I think it's because my tank has no water in it any help would be greatly appreciated


do you have a pressure tank or what, are you doing a gravity type deal with a pump to back it up, all pumps need pressure tank too. or your pump will constantly be on or your tank fill hole is not tight a pump is designed to trip the breaker if it wired direct, if it is not wired direct like wired to an extension cord, then who knows what it will do burn up I imagine if it is constantly going on without water pumping thru it need more details

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


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Once the water is shut off the pump keeps running


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I have a Mastercraft1/2 HP self priming Shallow well jet water pump, the water fell below the intake in my well and I quickly noticed and turned off the pump. We had water delivered and I'm not su


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If it fails to prime and pump up pressure, you may have to prime it.

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1 Answer

I have a Utilitech 1hp shallow well jet pump which turns off and on rapidly while using water. I have 25 psi in the air tank. I replaced the pressure switch and still have problems.


Good you got it working. Please post again if you have more trouble on this or another item. Also be sure and check what I mentioned just in case you are operating at the margins, don't want a failure right after you got it going!

Sep 15, 2012 | Utilitech 1-HP Cast Iron Shallow Well Jet...

1 Answer

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

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I have a 1 hp ace pump on a 30 gallon bladder tank the pressure switch keeps clicking off and on until the switch burns up have replaced 4 times in 2 months have adjusted switch until pressure is very low...


There are tow screw adjustments on the switch. One is the high shut off and the other is 'differential'. This is the one you need to adjust. It gives the 'window' that the system needs 'between' on and off.

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Shallow well pump cycles on and off quickly? Stays on while water is running than shuts off when valves are closed.


Do you have a tank in this system? If you don't, this is the way the well pump will operate.

If there is a tank, it will have a pressure switch on it which controls the pump -- it'll cut the pump on when the tank pressure drops to 28 psi, and cuts the pump off at 40 psi.

If you have a tank, the pump behaving as you describe indicates there is something wrong -- need more info.

May 05, 2009 | Flotec Corrosion Resistant Shallow Well...

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