Through-hulls, bilge pumps, holding tanks, and raw-water cooling. Improperly maintained plumbing sinks boats. These guides are written for owners who intend to stay afloat.
What a through-hull is, why the seacock is the most safety-critical fitting on your boat, how to inspect them, and why a gate valve is never acceptable below the waterline.
Manual vs automatic, how to size a pump for your boat, float switch types, the bilge alarm every boat should carry, and monthly maintenance that keeps the system ready when you need it.
Federal and state discharge law, No-Discharge Zones, Type I/II/III devices, pump-out logistics, Y-valve locking requirements, and how to eliminate holding tank odor at anchor.
How the raw-water circuit works, the impeller replacement schedule that prevents overheating, strainer maintenance before every voyage, heat exchanger care, and proper winterizing in freezing climates.