This means is preferably comprised of a tube type heat exchanger located between {HEAD ~ the valve} and {TAIL ~ the return inlet} of the conduit to the absorber 
This means is preferably comprised of a tube type heat exchanger located between { HEAD ~ the valve } and { TAIL ~ the return inlet } of the conduit to the absorber
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH