Pump running continuously:
*How do you fill your fresh water tank----FILL valve or Gravity Port
Fill Valve---leaking thru so pump round-robins and can't build pressure
*LEAK...wrap TP around fittings then check in an hour. Wet TP---LEAK
*Pump Check Valve leaking by....new pump should have cured that issue
*Bad Pump Pressure switch----New pump should have cured that issue (switch is on head of pump...give it a whack with handle of screw driver)
*City Water Inlet Check Valve leaking...check for drippings from connection
*Water heater T&P Weeping