I have an aerator tank that I can't stop the jets on and it keeps overflowing. I have replaced the float, the pressure switch, and the solenoid, and the solenoid valve. The pump is reaching the proper pressures and it kicks on and off when it is supposed to but it continues operating when the tank is full. I have replaced the float in it twice because I was told sometimes you get a bad one. I'm at a complete loss as everything has replaced on the system.