SEV50R1A Balboa Water Group PCB, Seven Seas, SEV50 51955 $297.91 SEV50R1A Balboa Water Group PCB, Seven Seas, SEV50 51955 Seven Seas Replacement Board The following topside(s) are compatible with the above circuit board: 58-138-1146, 58-138-1147, 58-138-1148, 58-138-1149Replaces SEV50 Seven Seas productBalboa circuit... Add to Cart