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Phone: 800-628-8225 | Int'l.: 860-701-3400 | Email: Contact Us

Marine Plumbing Supplies & Fittings

When people think about boating, they might not consider some important aspects of being out on the water for extended periods of time.
Just like traveling with RVs across country, your comfort for extended trips depends on having adequate plumbing - not only for the use of toilets, but also for galleys and supplying fresh water while on board.

Keeping up on marine plumbing is paramount for boat owners.

Boat plumbing best practices:

A large percentage of any aspect of boating relies on regular maintenance and inspection.
Prompt repair and replacement of worn or outdated machinery is the best way to ensure a successful trip.
If you are an infrequent boater, you cannot rely on memory alone. Use the time between trips for the upkeep of your vessel.
Procrastinators often find themselves stranded or in trouble.

Functionality and cleanliness:

Making sure that boat plumbing parts are clean is the first step in ensuring that they?re in working condition.
Cleaning is a good way to get a closer look at marine plumbing supplies and fittings that could become corroded or damaged.
Areas that are neglected can wear out faster and might be threatening to a safe voyage on the water.


Making sure that your equipment is in working condition, with worn pieces, leaks, and other points of concern checked out before you hit the water is imperative.


When it comes to freshwater systems, safety is a primary concern.
Contaminated water can make you very sick. Grey and black water contamination in a potable water supply would be a potentially lethal health hazard.
Careful cleaning, maintenance and inspection of your marine plumbing system is necessary to keep you and your crew members safe.
Never cut corners or improvise with replacements and repairs, or you could be risking the lives of you and your crew!

Common boat plumbing parts and uses for head and galley.

Defender supplies a vast assortment of marine plumbing supplies, fittings, upgrades, and replacements for your boating needs:
  • Pumps
  • Water heaters
  • Toilets
  • Valves
  • Hull fittings
  • Plumbing parts
  • Strainers
  • Holding tanks
  • Desalination and drinking water treatments
  • Hoses
  • Drains
  • Sinks and faucets
  • accessories

  • Why Defender?

    We specialize in new and replacement marine plumbing supplies including fittings.
    With over 80 years of boating experience, Defender is owned and operated by experienced nautical enthusiasts, from kayakers to open water sailors.
    Contact us today with any questions!