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Sinks for Sailboats & Power Yachts

Need a quick change to update the look of your galley? Try installing a new sink or marine faucet. MAURIPRO Sailing stocks a wide variety of marine sinks and boat faucets built to last in the marine environment.

MAURIPRO Sailing, your direct access to Sinks for Sailboats & Power Yachts and all your other sailing and boating needs.

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Boat Plumbing

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Boat plumbing is a lot easier for the do-it yourselfer than plumbing at home, mainly because it doesn't involve rigid pipes running inside solid walls.

Here is an overview of a typical on-board water system.

Because water is heavy, tanks should be mounted low in the boat. Where space is available, it is a relatively simple matter to add extra tanks. Rigid polyethylene tanks are available in hundreds of shapes and sizes, or you might use a flexible bladder tank--essentially a water bag.

Water tanks typically have three threaded ports, one for the outlet and one for the vent hose, both 1/2-inch, and one for the fill hose, usually 1 1/2-inch. Threaded hose barbs allow for hose connections. The inlet is connected to an on-deck fill. (Be sure the deck-fill has an O-ring to seal out seawater when it is closed.) The vent line leads to a vent fitting high in the boat — above the tank at every expected angle of heel. Be aware that if the vent is not also higher than the fill, it will overflow when you are filling the tank. The outlet connection leads directly to a pump or, in a multi-tank installation, to a manifold or Y-valve.

Use Teflon tape or thread sealant on all threaded fittings, and don't overtighten fittings in plastic tanks. Secure hoses with stainless steel hose clamps.

Supply piping for a boat water system must be non-toxic, non-contaminating, taste-free, and FDA approved for drinking water. If the system is pressurized or will carry hot water, the piping needs to be suitable. The traditional choice for water system plumbing has long been clear PVC reinforced with polyester braid. This same type hose can be used for tank fill and vent connections.

In recent years semi-rigid polyethylene (PE) tubing, long used in RV plumbing, has surged in popularity for boat plumbing. It has much to recommend it. With quick-connect fittings, a PE tubing water delivery system assembles with the simplicity of Tinkertoys. The opaque or at least semitranslucent nature of the PE tubing discourages algae growth that can be a problem with clear hose. PE tubing also comes in colors — typically red for hot water and blue for cold — which looks nice and might make plumbing failures easier to trace. Because the tubing is less flexible than PVC hose and it must be cut to the correct lengths, a PE plumbing system will be slightly more demanding to install. However, the primary negative to PE plumbing is the cost of the fittings, which at this writing run $4 to $8 each. On the positive side, the tubing is actually cheaper than reinforced clear PVC hose.

Drain hoses connected to through-hull fittings should be stronger than clear vinyl hose. For this use, select reinforced rubber hose, sometimes called heater hose. This is the same type of hose used on engine plumbing, and it typically has about three times the burst strength of reinforced vinyl hose. Double clamp all hoses connected to through-hull fittings.

Water pumps on a boat can be either electric or manual. An electric pump pressurizes the entire water system. Most electric pumps have a pressure switch that activates when the pressure drops below a set value--usually around 30 or 40 PSI. Opening any tap on the boat releases pressure and causes the pump to kick on and run until it rebuilds the pressure to the cut-out setting. The pump cycles on and off until the tap is closed. The inlet of an electric pump connects directly to the tank outlet (or multitank valve), and the outlet supplies water to all faucets and appliances.

Manual pumps — hand or foot operated — supply a single spigot connected directly to the outlet side of the pump. A regulating valve is not required; water flow is controlled by the operation of the pump. The primary advantage of manual pumps is that they dramatically reduce water waste, a major concern for boats that spend long periods away from water supplies.

Accumulator

Some water systems include an accumulator. Large accumulators have pressurized bladders in them, but most small ones are just empty tanks teed into the line downstream of the pump. When the pump runs, it tries to fill the tank from the bottom, compressing the air trapped inside the tank. The pressure from the tank allows small amounts of water to be drawn without the necessity of the pump running, thus reducing pump cycling.

A marine water heater is simply a small, insulated tank downstream of the pump. You must have a pressurized water system to operate a water heater. The pump draws water from the storage tank(s) and fills the water heater tank. Inside the water heater is an electrical heating element and usually a coiled tube called a heat exchanger. When AC power is available, the electrical element (controlled by a thermostat) heats the water. Away from the dock, the hot engine coolant is routed through the coiled tube to heat the water in the tank when the engine is running.

Water heaters have four threaded ports. The tank inlet connects via a tee-connector to the outlet hose from the pump. A check valve is required in this line or in the heater to prevent hot water from migrating back toward the pump. The outlet connection supplies heated water to the hot side of all faucets, also using tee-connectors. The other two ports are for the heat exchanger connection, which varies depending on engine installation. Use only metal fittings to plumb a water heater, never plastic. If a pressure-release valve isn't integral, the heater will have a fifth port for this essential component.

Faucets are the ultimate terminus for water system lines. Manual pumps require simple spigots, but in a pressure water system, boat faucets differ from those found ashore only in styling and that they may be fitted with hose barbs. Mixer faucets require two connections, one from the cold side to the supply line from the pump and the other from the hot side to the water-heater outlet.

Shower connections are identical to faucet connections. The only difference is that rather than delivering the water through a spigot, the water is delivered through a pipe or hose to the shower head.

A nice owner addition to almost any boat is a deck shower, easily installed by simply teeing into cold- and hot-water supply lines.

Sink drains typically connect with reinforced rubber hose to a through-hull fitting. On a sailboat, sinks are best located near the centerline of the boat so heeling doesn't put them below the waterline. Because head sinks are often well outboard, they may be plumbed to drain into the bowl of the toilet to avoid the risk of flooding. There are collateral benefits of running fresh water through the head.

Shower pans too often drain into the bilge to be pumped overboard by the bilge pump. However, this arrangement eventually leads to unpleasant bilge odors, and it risks jamming the bilge pump with hair. Shower pans should be isolated from the bilge and include a discharge pump, either automatic or connected to a switch. The through-hull discharge outlet must always remain above the water.

Since few boats carry sufficient fresh water to allow washing the decks with it, washdown pumps are not connected into the freshwater system. Nevertheless, a washdown pump is a great convenience for hosing the deck and knocking mud off the anchor chain.

The inlet fitting of a washdown pump is connected to a submerged through-hull fitting, and the outlet side is connected to a deck-mounted faucet or male hose connector. A dedicated through-hull is not required; if you are installing a deckwash pump; use a Y- or tee-connector to tie into an existing inlet line. Use heavy-duty rubber suction hose, wire reinforced to keep the hose from collapsing. Debris will damage or destroy a washdown pump, so it is essential to have a strainer in the intake line.

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Contributor, BoatUS Magazine

Don Casey has been one of the most consulted experts on boat care and upgrades for 30 years, and is one of the BoatUS Magazine's panel of experts. He and his wife cruise aboard their 30-footer part of the year in the eastern Caribbean. His books include Don Casey's Complete Illustrated Sailboat Maintenance Manual, and the recently updated This Old Boat, the bible for do-it-yourself boaters.

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Boat Sinks and Drains

Great Lakes Skipper has amazing closeout prices on beautiful stainless steel boat sinks by companies like Opella, Elkay, and Scandvik. We also have great deals on boat sinks with Corian tops, sink consoles, round boat sinks, double sinks, and more boat and RV sinks, perfect for your boat, RV, or tiny house. Enjoy browsing our inventory of boat sinks!

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Sinks for Boats, Trailers & RVs

Round sinks for boats, rv's and travel trailers.

• Round sleek design - complements just about any décor
• Easy drop-in, self rimming installation
• High grade T-304 18 gauge stainless steel construction
• Sound deadening super-silencer rubber pad
• Satin finish bowl with polished ledge
• 3-1/2" drain hole opening
• Deluxe basket strainer included
• Includes sink strainer
• 17-1/2" overall diameter

Rectangular Single Bowl Marine / Boat Sinks

• A sleek design that will complement just about any décor
• Easy self rimming, drop-in installation
• High grade T-304 22 gauge stainless steel construction
• Three faucet holes
• 17" x 22" overall dimensions

Square Single Bowl Marine / Boat Sinks

• Nice, compact space saving design
• 15" x 15" outside diameter (14-1/4" x 14-1/4" cut out size)
• High quality type 304 stainless steel 24 gauge construction
• Lustrous satin finish bowl with highlighted rim
• 2" drain hole opening
• Junior basket strainer sold separately
• 2 faucet holes
• Fits 18" front to back countertops
• View sink dimensions

Durable Braided Stainless Steel Faucet Flexes

• Constructed with a durable braided outer sheathing with tough nylon reinforced vinyl tubing inside
• 3/8" O.D. compression female threads on one side and 1/2" slip joint (S.J.) female threads on the other - S.J. are non-tapered iron pipe size threads and attach to most male faucet shank inlets
• NSF 61 certified
• UPC certified
• Need a different size of flex? We offer a temendous selection of sizes and lengths of stainless steel braided supplies here

Related Items & Information

Q. "What does slip joint mean?" A. It refers to 1/2" female pipe threads that are not tapered. They are designed to work on faucet shanks and some angle stop threads that have male non-tapered pipe threads. Please note though, that SJ flexes might not work well on male threaded PVC fittings, as the wall of the PVC fittings might be too thick for the flex to properly seal on the inside of the PVC fitting.

Q. "What do the different types of stainless steel (304, 316, etc) mean?" A. The term "stainless steel" refers to specific grades of steel that contain more than 10% chromium. Stainless steel may also include a variety of other elements (such as nickel, titanium, molybdenum, etc); it resists corrosion and is generally a stronger, more reliable steel. The most common grades of stainless steel are: Type 304: Aside from having a higher content of chromium than most other types of stainless steel, type 304 also contains nickel; this enables it to withstand most ordinary corrosion in architecture, is durable in typical food processing environments, and resists most chemicals. Type 316: Similar to type 304, but also contains a small amount of molybdenum, which is an alloy element #304 does not contain (but one that provides even stronger resistance to some deterioration). Types 304 and 316 are grades of stainless steel that are most often used in plumbing, as well as in the manufacturing of kitchen utensils and sinks. Type 409: Does not contain virtually any nickel at all, but also is the stainless steel that contains the least amount of chromium. Type 409 is more suitable for high temperature applications, which is why it's often used in automotive trim and exhaust systems, or hot water tanks. Type 410: Also does not contain any significant nickel; its primary difference to type 409 stainless is characterized by the use of heat treatment for hardening and strengthening. Type 410 is not appropriate for severely corrosive applications, but used instead in environments that require high strength; this is why it's the type of stainless steel that's often used in surgical equipment. Type 430: Another plain-chromium stainless steel, similar to type 409, but is usually used in decorative applications.

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Water rescue boat sinks in Lake Michigan during search efforts, cause under investigation

KENOSHA COUNTY, Wis. — First responders faced a dangerously close call while trying to locate a missing scuba diver near a shipwreck.

The Kenosha County Fire and Rescue Association’s boat sank to the bottom of Lake Michigan Tuesday during the search efforts.

Eight people from multiple communities were on board.

"To see all your friends out there, it was surreal. Very scary," Town of Paris Fire Chief Colin Hennessey said.

"Shocking to hear the radio transmission," Somers Fire Chief Ben Andersen recalled.

The boat, a Bayliner Rendezvous 2659 measuring 26.5 feet long and 8.5 feet wide, went out on Lake Michigan just before noon Tuesday to search for missing shipwreck diver Patrick Kelly, who was later found dead. Hennessey, also vice president of the association, said the boat was part of a grid search and was on the water for about two hours.

After returning to the marina for equipment, the boat went back on the water. Around 2:30 p.m., trouble hit about four miles from the shoreline and two miles from the search area.

Watch: Water rescue boat sinks in Lake Michigan during search efforts

"They said they were taking on water and rapidly losing power," Andersen said.

Thankfully, the eight people on board were able to get onto two other boats safely.

City of Kenosha Alderman Rocco LaMacchia said he was grateful no one was killed.

"I know accidents do happen, but this is a very expensive accident," LaMacchia said.

Leaders with the association wanted to be clear that the boat is not owned by any municipality.

What caused it to sink is still unknown. Hennessey told TMJ4 News that the boat is "constantly maintained." Crews perform a 360-degree check of the vessel before launching it into the water.

"That boat was floating for a very long time, so the idea of it being a plug we truly don't believe it is, but what actually caused it is under investigation," Hennessey said.

The association says partner agencies will help cover water rescues while their boat remains at the bottom of Lake Michigan.

Their goal is to retrieve the boat as soon as possible.

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Search resumes for 2 men missing after boat sinks in Long Island Sound off Westport

Published october 22, 2023 • updated on october 23, 2023 at 8:53 am.

Two men from New York are missing after a small fishing boat sank off Westport on Sunday morning, according to police, and the search for them resumed Monday morning.

Five people were on the boat, which was anchored near Cockenoe Island in Long Island Sound, went it started to sink in choppy waters around 9:30 a.m.   

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A boater found a man standing on a buoy near the island around 4 p.m. and another male and female were pulled from the water nearby, police said.

The three were taken to the hospital to be evaluated, but it was learned that there had been five people on a boat and two men from Spring Valley, New York were still missing, police said.

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Several agencies searched the area, but could not find the two other people in the water. The search was suspended around 9 p.m. and resumed Monday morning.

Westport police said the U.S. Coast Guard Marine and Air Units as well as Suffolk County Air Unit are helping in the search.

Police said a significant language barrier has hampered their ability to identify the two missing men and they are working with translators to assist with this investigation.

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Any boaters who were in the area of Cockenoe Island between 9:30 a.m. and 4 p.m. on Sunday are asked to call Westport police at 203-341-6000.

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Sailing yachts like Mike Lynch's are 'unsinkable bodies', CEO of boat manufacturing firm says

Bayesian superyacht which sank off Italy is an "unsinkable" vessel, Giovanni Costantino, CEO of The Italian Sea Group, said.

By Ashna Hurynag, news correspondent and Eleonora Chiarella, producer

Sunday 25 August 2024 08:48, UK

Vessels like Mike Lynch's stricken superyacht are "unsinkable", according to the chief executive of the firm which makes and sells them.

Giovanni Costantino, CEO of The Italian Sea Group, told Sky News there are no flaws with the design and construction of the Bayesian superyacht which capsized in a storm off the coast of Porticello, Sicily, on Monday.

Five bodies were found by divers on Wednesday - taking the number of confirmed dead to six.

The Italian Sea Group also owns the firm that built British tech tycoon Mr Lynch's Bayesian, and Mr Costantino said the vessels "are the safest in the most absolute sense".

"Being the manufacturer of Perini [boats], I know very well how the boats have always been designed and built," he said.

"And as Perini is a sailing ship... sailing ships are renowned to be the safest ever."

He said their structure and keel made them "unsinkable bodies".

Read more on this story: Why search of superyacht wreck has been so difficult Hero mum 'slept with baby on deck when storm sank yacht'

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Mr Costantino said news of the sinking "put me in a state of sadness on one side and of disbelief on the other".

"This incident sounds like an unbelievable story, both technically and as a fact," he said.

It is understood Italian prosecutors investigating the incident are continuing to hold interviews with the survivors.

On Tuesday they questioned the captain for more than two hours to help reconstruct what happened and provide useful technical details.

Four British inspectors are also in Porticello and have begun a preliminary assessment of events.

It is understood they will look at all relevant aspects of the incident, including the design, stability, and operation of the vessel. They will also examine the effects of the weather conditions experienced.

Keep up with all the latest news from the UK and around the world by following Sky News

Twenty-two people were on board the vessel, 15 of whom were rescued - including Briton Charlotte Golunski and her one-year-old daughter Sofia.

Divers will resume efforts on Thursday morning to bring ashore a body they found earlier. One more person remains missing.

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• Superyacht sinking