9130PMR1B Balboa Water Group PCB, Caldera, 9130PM,Whirlpool, Analog, w/Phone Plug 51366 $141.48 9130PMR1B Balboa Water Group PCB, Caldera, 9130PM,Whirlpool, Analog, w/Phone Plug 51366 Caldera Spas Replacement BoardBalboa circuit boards are marked with a “Chip Number” that is located on a white label placed on the logic chip near...