46-371-1215 - Flo Thru Heater - CalSpa Repl, 15-1/2 Inch x 2 Inch , 230v, 5.5kW, Generic - includes heater element, gaskets, nuts and tailpieces with a pressure switch tap at 45 degrees from the heater terminals. Pressure switch not included - B24055G - 46-371-1215