SpaGuts Replacement 4.5KW 220V Flo-Thru heater assembly, by Hydro quip for Vita spas. OEM part number 26-1008-6S-K. The heater has a replaceable heater element, an external thermowell (sensor plate with wing nut), a pressure switch tap, 10" heater cables (Detached; not connected). Includes a pair of 2.0" Heater Split Nuts, and a pair of 2.0" Heater Tailpieces with O-Ring Gaskets. Dimensions (approx): 17.63" L x 2.0" Diameter. This heater is also a replacement option for the following heater part numbers: Therm products C2450-1008ET, C2450-1008, 46-238-1600, 2-00-0128, C2450-1008-ET. This item comes with a one year limited .