> On further reflection. I think this would be a very good idea. Or at least very nearly a good idea. A beeper that signals a full tank is fine only if it well beep again if (sorry, WHEN) someone tries to fill an already full tank. With all this delegation of responsibility for filling without a low water indicator light blinking, it is inevitable. How about a ball-cock arrangement that just won't accept water at all through the filler hose when the tank is full. With something like this, It would take either a valve failure, or extraordinarily determined and ingenious screwing up to overflow a tank. Ron N
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