Thermcore Spa EP Element Flo Thru Universal 5.5kw 240V 10.5" 70-20655 Element Flo Thru Univ 5.5KW 240V 10.5" Available only with EP Bulkheads. Allows for install in heaters with or without thermowells. This is the most popular EPTM style flo-thru element Terminals are spaced 1-1/4" apart, supplied with hardware