Collection: Marine Plumbing & Ventilation - Hot Water Heaters

Bring the comfort of hot water aboard.

Explore marine hot water heaters designed to provide convenient heated water for showers, sinks, galleys and other onboard freshwater needs. From compact systems for smaller boats to higher-capacity water heaters for cruisers and yachts, the right system can make extended time aboard more comfortable.

Shop marine water heaters, boat hot water heaters, electric marine water heaters, engine-heated water heaters, heat exchanger water heaters, water heater tanks, thermostats, heating elements and marine plumbing accessories for sailboats, powerboats, cruisers, yachts and other compatible vessels.

Whether you're installing a new hot water system, replacing an aging water heater, increasing onboard capacity or servicing an existing unit, Roam & Harbor makes it easier to find marine water heaters and supporting components for your vessel.

Pair your water heater with compatible freshwater pumps, hoses, fittings, faucets, showers, water tanks and plumbing components to complete your onboard freshwater system.

Always verify tank capacity, voltage, wattage, heat source, electrical requirements, plumbing connections, pressure ratings, installation dimensions and manufacturer specifications when selecting a marine hot water heater.

Heat the water. Extend the stay. Adventure Starts Here.™