Support / Technical Tips / Installing the boost pump
Installing the boost pump
Where it goes, which way up, and what it can share a through-hull with.
Where it goes, which way up, and what it can share a through-hull with.

Sharing a through-hull. The through-hull can be shared with another intake, but never with the raw water feed for the engine, or with any other positive displacement pump.
Electrical connections should always be made by a qualified electrician.