Overview Reviews Similar Products Product Description Majestic Circuit Board Processor: MAJ175R1D Balboa PN: 50629 Use Balboa 52518 as replacement NOTE if you have a 24 hour circulation pump, pump 1 will be one speed only Product Videos Custom Field Product Reviews Find Similar Products by Category Recommended Quick view BOARD, BALBOA M2 / M3 FOR STD OR DELUXE - 52518 $469.95 Add to Cart Quick view Saratoga Spas BOARD, SAR200R2A *** See Notes*** $344.95 Quick view BOARD, BALBOA M2 / M3 FOR STD OR DELUXE 54122 / 52518 $469.95 Add to Cart