RAW-WATER PLUMBING ISSUES

Having mismatched seacock threads, using the wrong type of hose, or choosing the wrong alloy can lead to disaster.

STEVE D’ANTONIO

MONTHLY MAINTENANCE I routinely encounter defects related to design, materials and assembly in raw-water plumbing systems on cruising vessels. These defects could, and sometimes do, lead to flooding and the total loss of vessels. Here’s a look at the three most common examples of these defects. THE UN-SEACOCK Seacocks let crew stem water flow quickly and easily, either for routine service or in the event of a failed hose or fitting or other raw-water emergency. These valves must be readily accessible and able to operate with relative ease. “Readily accessible” means no tools are needed to access a seacock, nor should a significant quantity of gear need to be moved. One of the most common of seacock errors involves mismatched threads. Through-hull fittings, sometimes called “skin” fittings, are nearly always…

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Cruising World (Digital) - 1 Issue, November/December 2023

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