Q&A for How to Replace a Well Pump

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  • Question
    What can cause a pump to click on and off?
    Community Answer
    It could be the pressure tank has no air charge.
  • Question
    If the gasket is bad between the pump and the motor, would this cause it to lose suction?
    Community Answer
    I hope you meant the gasket that is the part of the pump. If so, it is worn out and needs replaced.
  • Question
    Is 12-2 wire used on well pumps? And what breaker is needed: 15a or 20a?
    Community Answer
    For a 2-wire pump, 12-2 solid or braided core submersible pump wire is commonly used, with 12-2 underground wire run from the house to the well. This may change on deeper wells or higher output pumps, though. Use a 20 amp breaker with the aforementioned 12-2 wiring setup.
  • Question
    How can I tell if my well pump is bad?
    Community Answer
    First check to make sure you have power going from the control box to the well. If it is a deep well pump you most certainly have no water if the pump is bad. At the well head you will have to check for continuity with a voltage meter.
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