The fresh water pump is a Jabsco PARMAX 4. The manual is available here. The Jabsco diaphram kit for this pump is P/N 18912-3040.
Two sources are:
The fresh water pump is a Jabsco PARMAX 4. The manual is available here. The Jabsco diaphram kit for this pump is P/N 18912-3040.
Two sources are: