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Check th air pressure in the water tank if the tank is bladderless turn off pump and fill tank with air then turn on oump... if you have a tank with a bladder ckeck air pressure
If you get water out...

The question is why the pump is not coming on when you activait the switch and also why do you have to hit the switch First let us look at the why do I have to hit the switch
Let us look at the...