ELE09100205 Cal Spas Circuit Board, Chip Numbers: C2100R1B And CS5000R1D (Newer Revisions May End With Any Letter). Balboa Part Number 52299
This Circuit Board Is Compatible With Balboa Sensor Assembly, Part Number: BAL30337 And 220v Transformer, Part Number BAL30274-2, Or 110v Transformer, Part Number BAL30274-1 (Check Wiring Diagram). Compatible Topside Control, Part Number ELE09200778.
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.