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I was trying too noodle this through myself, and then I remembered this forum was full of helpful electrical engineers that void tell me how to do this right.... I am helping a friend with his first tank build. I am trying to help him setup a way to fill his RO/DI container up without overflowing. I have a 12v solenoid valve, a float switch that clips to the side of the container which is normally closed until it fills up, and a 12v power supply. I would like to set this up so that he can push a momentarily on button and have the RO/DI run until the container is full, and then shuts off. It would stay off until the water level goes down and the button is pushed again. My thought was to use a simple latching relay, but I wasn't sure where to find one. I am also open to suggestions as to how to best wire it.
