
The recommended replacement is G4361.
Clearwater Spas - Balboa Control Pack, BP501, with 4KW Heater - 56563
Clearwater Spa Pack BP501 56563-04 with Heater is found in select model Clearwater Spas and Divine hot tubs.
Newest version 56563-05 (backwards compatible)
Clearwater Spa Pack BP501 56563-04 with Heater