Follow these steps:
Purchase the pump and optional add-ons if the pump doesn’t include it.
Find the location for your pump. Bigger boats might need two, but they should be located in the bottom most part of the boat, the bilge. Figure out how to secure the pump so it doesn’t move when sailing/cruising.
Measure out the distance between the bilge pump and the purge outlet, the pump and the battery.
Connect the bilge pump to the outlet hose and secure the latter in the purge hole. Connect the