Air Separation between the Clean Water Entry and the Recycled Water

Status update - 14 October 2011

To make sure there will be no contact between the recycled water and the clean water system, I have raised the Toilet-tank fill-valve above the extra water exit.  For that I have extended the space between the arm and the float.  The installed Toilet-tank fill-valve is now:

The updated schematic description of the current system:

Update picture of the water accumulation tank: