Pinnacle 11kW flo-thru replacement heater assembly part# C21100-3100 used in Hurricane Spas. Stainless steel heater assembly measures 3" x 15", has a single element rated at 11kW/230 Volts with 1/8" npt pressure switch tap. Includes dual groove thermowell cover, (2) 10-32 x 3/8" mounting studs and (2) 2.0" tailpieces. Replaces part number E21100-3100, C21100-3100 & 25-4097. Therm Products 1 year warranty free of defects.
Note: Unfortunately, this is one of those heaters where the heater element is not replaceable, you must replace the entire assembly.