Here is my write-up, if you have any questions let me know. As I mentioned, this system puts out an additional 5 GPM over the '09 JABSCO Impeller systems and is more reliable. Best upgrade for this boat if you use your ballast system often.
https://forum.moomba.com/showthread....sunami+ballast
2008 SUPRA Launch 22 SSV
2011 Malibu VLX
2013 Malibu VLX