Balboa Hot Tub 2KW Heater M7 (For new GS100) - 10 inch Replacement Repair Parts
Balboa 2.0KW Heater M7 (For new GS100) Sensor. You may find cheaper versions of this heater on the internet but they are most likely cheap copies. If it is not an official Balboa product with genuine labelling do not buy it.