Balboa Water Group | PCB, Caldera, 9710CP, 9715CP, Standard, w/Phone Plug | 51536 $615.76 Balboa Water Group | PCB, Caldera, 9710CP, 9715CP, Standard, w/Phone Plug | 51536 | Discontinued Caldera Spas Replacement BoardBalboa circuit boards are marked with a “Chip Number” that is located on a white label placed on the logic...