Jul 6, 2023 · You have have "breakers" and not "breaker". The two will be tied together. There may be breakers or fuses in the electonics box. If the old heater broke and shorted to ground it could have popped one of those breakers or fuses. On the hot tub I had for years, there was a wiring diagram included in a packet in the electronics box. Do you have that?