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