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Thread: Stuck Regulator ? pictures added

  1. #1
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    Stuck Regulator ? pictures added

    I have a Sta-rite (sears) pump on my well, it has sat idle for 7 years or so. well I got it running and the pressure gauge goes up to 40 or so and I can get some water out of the pump outlet but not what it should be, and if I loosen the gauge I get water and some air, I cant move the regulator screw it's frozen, Does this sound like the regulator us stuck or some other problem ???




  2. #2
    Pump guy speedbump's Avatar
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    Could be a lot of things.

    Since you said you have a regulator, I'll assume the regulator is the backpressure control. This also means you have a deep well system. If your gauge is accurate and you actually got 40 psi, that means the jet isn't plugged.

    What is the pressure when the pump is running with no pressure in the tank? This is how you check the regulator.

    Where are you in Michigan? There are two Drillers here that are in Michigan and I'm originally from Michigan. Oakland County.

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  3. #3
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    The pressure of the gauge when pump is running is the 40-50 lbs this is with the valve on the pump closed to the tank,

    I'm In Hastings Area,

  4. #4
    Pump guy speedbump's Avatar
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    To test it, you need to open that valve to the tank. With no pressure in the tank, the regulator should hold somewhere between 25 and 45 lbs in most cases. Then once the tank catches up to the pumps regulated pressure, it will eventually reach shutoff.

    After sitting like that, the minerals tend to flake off the pipes and get into things like the jet, and the impellers. This could be a problem.

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  5. #5
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    Those sta-rite regulators are notorious for sticking and I have had many problems in the past with them. They can be easy and hard to take apart, be careful of twisted off bolts etc. Take it apart, free everything up, and get a new rubber bladder (or whatever the proper name is ), and re-install. You need to be running that pump around 60 psi jet pressure normally.

  6. #6
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    Well I was talking to a local well guy and he told me to crank off the valve and let the pump run and see how high of pressure I can get on the gauge, and then to let him know he says it should pump 100 psi at least what is he wanting to check ??

  7. #7
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    Well today I took the regulator apart and the thing is pretty rusty and I almost think it was stuck, I broke off all 4 bolts but got 2 out with Vise grips, Does everything in the photo's look right ??















  8. #8
    Pump guy speedbump's Avatar
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    I can't see enough of the pump to tell if it's a two or three stage pump or the horsepower. Those things along with the water level and the nozzle/venturi combination in the jet are what determine how much pressure your pump should max out at.

    Looks like it's time for a new backpressure control. Problem with Sears is that they have the control that bolts on and Sta Rite's screws on. So finding a new one might be a challenge.

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  9. #9
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    Well I went and tried to get the bolts out and I got the number off the pump it's a 3902597 and the regulator shows new at Sears $108.00 I also did a google search for the part number and it came up flotec is flotec and starite the same??

    What would I need to switch this over to a horizontal pump ??





  10. #10
    Pump guy speedbump's Avatar
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    Yes unfortunately Flotec and Sta Rite are the same thing only not in quality.

    I still can't tell if that pump is a two or three stage pump.

    And don't try going horizontal, you will lose efficiency, pressure and performance.

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