The compressed refrigerant therefore flows into {HEAD ~ the collector} 14 and then by way of a connection 19 to {TAIL ~ the expansion valve} 12 
The compressed refrigerant therefore flows into { HEAD ~ the collector } 14 and then by way of a connection 19 to { TAIL ~ the expansion valve } 12
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH