The heater element 220 illustrated in FIG 10 is particularly suited for {HEAD ~ use} heating water in applications where water re circulates through {TAIL ~ piping} 
The heater element 220 illustrated in FIG 10 is particularly suited for { HEAD ~ use } heating water in applications where water re circulates through { TAIL ~ piping }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL