Product Description Replacement 5.5 KW spa heater element (hairpin style). This element is equipped with rear-end terminals. This can be commonly found in select Arctic Spas heaters. Quick Specs kW: 5.5 kW (5,500 Watts) Voltage: 230V Length: 10" Length Material: Incoloy Hardware: Included Position: Rear End Terminals Important Information If your GFCI is frequently tripping, this is a common sign of a heating element failure. Alternatively, if your heater is struggling or not operating at all - this likely points to a failed heating element.