In {HEAD ~ this embodiment}, the diverter valve 201 could be deleted with control provided solely by the flow meter 220 which would provide appropriate control signals to {TAIL ~ three way} valve 203 
In { HEAD ~ this embodiment } , the diverter valve 201 could be deleted with control provided solely by the flow meter 220 which would provide appropriate control signals to { TAIL ~ three way } valve 203
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH