I don't know the exact model, but it is an ISSPRO that is easily repaired.
See this thread:
To replace, it would most likely be one of these, with the exact model depending on the depth of the tank on the boat:
'96 ProStar 205 SD LT-1
Last edited by Table Rocker; 03-01-2013 at 12:51 PM.
Reason: added ISSPRO link