{TAIL ~ A heat recovery system} 5 wherein the said second part of {HEAD ~ the heat exchanger} means is connected to supply recovered latent heat to the tank substantially at the middle thereof 
{ TAIL ~ A heat recovery system } 5 wherein the said second part of { HEAD ~ the heat exchanger } means is connected to supply recovered latent heat to the tank substantially at the middle thereof
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH