We are a wholesale distributor of spa and hot tub parts. We sell exclusively to pool & spa professionals.  
707-586-9999
ELE09100214 Cal Spas Circuit Board For 5300 Series. Chip Number: CS5300R1B (Newer Revision May End With Any Letter). Balboa Part Number: 53632
THIS PART IS NO LONGER AVAILABLE
 NOTE: Please Check Your Chip ID Number On Your Old  Circuit Board To Make Sure This Is The Correct Circuit Board For Your  Spa. Also, Check The Balboa 5-Digit Number. This Number Is Located On A  White Sticker And Always Starts With A "5". This Part Is Non-Returnable,  Only For Exchange On Warranty.
Cal Spas Offers A Limited 30-Day Warranty On Their Circuit Boards.