As with the embodiments disclosed above, the ability to insert heater element into {TAIL ~ this flow path} allows for heating the water utilizing {HEAD ~ a renewable energy source} 
As with the embodiments disclosed above , the ability to insert heater element into { TAIL ~ this flow path } allows for heating the water utilizing { HEAD ~ a renewable energy source }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD