The apparatus 1 wherein {HEAD ~ the liquid source} is {TAIL ~ a return} to the reservoir and wherein the return to the reservoir is in fluid communication with a reservoir pump outlet 
The apparatus 1 wherein { HEAD ~ the liquid source } is { TAIL ~ a return } to the reservoir and wherein the return to the reservoir is in fluid communication with a reservoir pump outlet
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH