The condensate is drained through {TAIL ~ a common outlet port} into the atmosphere or into {HEAD ~ a drain pipe} 
The condensate is drained through { TAIL ~ a common outlet port } into the atmosphere or into { HEAD ~ a drain pipe }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD