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Why does my pump cycle on and off when the irrigation is running or when I use water in the house?
Several things could be happening. If the pump produces more water than the tank is sized for, cycling will occur. The tank should be sized for one gallon of drawdown for each gallon per minute of water pumped. The pressure switch may be adjusted incorrectly. There should always be a 20 psi differential between the cut-on and cut-off pressure and the pressure on the tank should be 2psi below the cut-on pressure.