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Thread: erratic air tank

  1. #1
    In the Trades farrider387's Avatar
    Join Date
    Jun 2011
    upstate New York

    Default erratic air tank

    The air pressure tank started acting erratically two days ago, causing surges that result in water leaks and toilet fill valves not shutting, causing the toilet to run constantly. This happened overnight, which emptied the well and when I turned on the faucet ,sediment from the bottom of the well poured out.The air tank is 20+yrs.old. Do I need a new one ? It is a WellXtrol by Amtrol.. How hard is it to replace?

  2. #2
    Moderator valveman's Avatar
    Join Date
    Mar 2006
    Lubbock, Texas


    If "acting erratically" means clicking off and off very fast, then yes your tank maybe bad. See the sticky above about maintenance of a bladder tank.

  3. #3
    Test, Don't Guess! cacher_chick's Avatar
    Join Date
    Jan 2008
    Land of Cheese


    The leaks and running toilet valve are caused by the debris that has been pushed into your supply piping. Replacing a 20 year old tank might be a good starting point, but it would be best to confirm that the rest of the system is operating properly with no air/water leaks in the well or supply to the house.

  4. #4
    DIYer, not in the trades LLigetfa's Avatar
    Join Date
    Feb 2011
    NW Ontario, Canada


    Surging and turbidity may be the result of air getting into the system, possibly from sucking the well dry.

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