Posted by Dave on Tuesday, May 03, 2005 at 12:07PM :
In Reply to: Switch question? posted by Tim Holloway on Monday, May 02, 2005 at 3:07PM :
The application you want is a DPDT Switch with the either ON-ON or ON-NONE-ON configuration. If you get a ON-OFF-ON you will get a switch that has a toggle that will rest in the center and will not read either tank.