Catalina Spas GL2000 circuit board
This board is no longer manufactured by Balboa. You must remove your metal box system and replace with a 55048 spa pack (search this code on our site) Also, you cannot use the current version of the GL2000 board, 53708 as it will not fit in your metal box.
Catalina GL8000 PCB
Hydropool fit generic Balboa board. Contact us before buying as there are software changes that are different to the original, very easily explained. Pack code 54330