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Thread: pressure tank bladder problem?

  1. #1

    Default pressure tank bladder problem?

    need some advice, been almost a year since I've been here for advice, and all the help I got then was phenomenal for a plumbing illiterate person. Anyway I hope I give all the pertinate info so someone can help me get this problem fixed. I live way up on a hill, causing little to no water pressure so as is in the case of a well, I have a water pump and a pressure tank, I put in a new pressure tank last sept. I had no problems until yesterday. suddenly there was air in the water. after noticing that, I went out to see what might be wrong. the water pump was running, and the pressure guage was stuck at 10 psi and the pump kept running with no increase in psi, so I turned the pump off, so not to burn out the pump.I then decided to check the the pressure in the tank, it was at 10 psi, it was a pre charged 35 psi tank. has the bladder burst? is it the pressure guage? pump? any help would be greatly appreciated

  2. #2
    Moderator valveman's Avatar
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    Submersible pump or above ground jet pump?

  3. #3

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    Quote Originally Posted by valveman View Post
    Submersible pump or above ground jet pump?
    it's above ground

  4. #4
    Moderator valveman's Avatar
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    Then you probably have a leak on the suction line.

  5. #5

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    Quote Originally Posted by valveman View Post
    Then you probably have a leak on the suction line.
    so a leak in the suction line will cause the pressure in the pressure tank to go down? I thought the pressure in the tank had to do with the bladder

  6. #6
    That's all folks! Gary Slusser's Avatar
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    A leak on the suction line is where your air in the water is coming from.

    The air pressure in the pressure tank should be 1-2 psi less than the cut in setting of the switch, with no water in the tank. I.E. 30/50 psi gets 29-28 psi air pressure, with no water in the tank.

    You should tighten the valve stem in the Schrader (air) valve on the tank and test it for leakage after you air it up. And while you have the water out of the tank, rock it some to make sure there is no water above the bladder. If there is, it usually won't drain out and that means a broken bladder.
    Gary Slusser Retired (= out of business)
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    CAUTION, as of Nov 12 2013 all YouTube videos showing how to rebuild a Clack valve have an error in them that can cause damage.

  7. #7

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    thanks for the help, fixed the problem, apparently it was the check valve, replaced it and all is well again

  8. #8
    That's all folks! Gary Slusser's Avatar
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    What check valve; where is it?

    And how does a check valve allow air into a water line?
    Gary Slusser Retired (= out of business)
    Click Here to learn how to correctly size or program a water softener.
    CAUTION, as of Nov 12 2013 all YouTube videos showing how to rebuild a Clack valve have an error in them that can cause damage.

  9. #9

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    Quote Originally Posted by Gary Slusser View Post
    What check valve; where is it?

    And how does a check valve allow air into a water line?
    the check valve is in the line before the pump. as far as air in the line I don't think the check valve could have caused that, the only thing I can think of is it only seemed to be air, the way the water was sputtering due to the faulty check valve. I do know there is no air in the line now.

  10. #10
    That's all folks! Gary Slusser's Avatar
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    Right, a check valve can not cause air in the water; which you said was your problem.

    You may have had a bad 'extra' check valve because there is a leaking foot valve in the well or a leak in the plumbing from the well. The extra check valve masks those leaks. If you don't have a 1-3" well point type well, you shouldn't have that check valve there.
    Gary Slusser Retired (= out of business)
    Click Here to learn how to correctly size or program a water softener.
    CAUTION, as of Nov 12 2013 all YouTube videos showing how to rebuild a Clack valve have an error in them that can cause damage.

  11. #11

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    Quote Originally Posted by Gary Slusser View Post
    Right, a check valve can not cause air in the water; which you said was your problem.

    You may have had a bad 'extra' check valve because there is a leaking foot valve in the well or a leak in the plumbing from the well. The extra check valve masks those leaks. If you don't have a 1-3" well point type well, you shouldn't have that check valve there.
    thanks again gary, I did say there was air in the water, as I later stated I must have been mistaken, but I never said that was the only symptom or problem,I stated that the pump was running without cutting off and never getting above 10 on the pressure guage and the pressure in the tank was low I also stated I do not have a well, I have city water, I live way up a hill and without a pump and pressure tank, the city water just trickles out. I am not trying to be ungrateful for the help I have received here, I probably should have checked further to verify there was water in the line, but I was afraid the pump would burn out if I left it on. I sincerely apologize for any confusion, thanks again

  12. #12
    That's all folks! Gary Slusser's Avatar
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    No problem, except for me missing that this wasn't a well.
    Gary Slusser Retired (= out of business)
    Click Here to learn how to correctly size or program a water softener.
    CAUTION, as of Nov 12 2013 all YouTube videos showing how to rebuild a Clack valve have an error in them that can cause damage.

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