The bottom of {TAIL ~ 5 micron filter} 74 is connected through normally closed valve 132 in {HEAD ~ line} 134 back to the chlorinator chamber 
The bottom of { TAIL ~ 5 micron filter } 74 is connected through normally closed valve 132 in { HEAD ~ line } 134 back to the chlorinator chamber
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH