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Thru-Hull Fittings & Connectors

Thru Hulls (or through hulls) are fittings that literally pass through the hull of a boat or marine vessel. Typically, a seacock and other types of valves, hoses, and transducers or other devices are attached to the thru hull. 

Thru hulls are used to expel or take in water for your galley or shower, to cool your engine(s), and to allow placement of sensors such as depth gauges. Read here for more information and expert advice on thru-hull installation.
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