Air conditioner 24, wherein the U shaped tube is provided with {HEAD ~ a bore} in {TAIL ~ the proximity} of the floor of the collector 
in
Air conditioner 24 , wherein the U shaped tube is provided with { HEAD ~ a bore } in { TAIL ~ the proximity } of the floor of the collector
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH